Datasheet VN5E025ASO-E Datasheet (ST)

Single channel high-side driver with analog current sense

SO-16L

("1($'5

Features

Max supply voltage V

Operating voltage range V

Max on-state resistance R

Current limitation (typ) I

Off-state supply current I

1. Typical value with all loads connected.

■ General

– Inrush current active management by

power limitation
– Very low standby current
– 3.0 V CMOS compatible inputs
– Optimized electromagnetic emissions
– Very low electromagnetic susceptibility
– Compliant with European directive

2002/95/EC
– Very low current sense leakage
– AEC-Q100 qualified

■ Diagnostic functions

– Proportional load current sense
– High current sense precision for wide

currents range
– Current sense disable
– Off-state open-load detection
– Output short to V

detection

CC

– Overload and short to ground (power

limitation) indication
– Thermal shutdown indication

■ Protections

– Undervoltage shutdown
– Overvoltage clamp
– Load current limitation
– Self limiting of fast thermal transients
– Protection against loss of ground and loss

of V

CC

CC

CC

ON

LIMH

S

4.5 to 28 V

41 V

25 mΩ

60 A

(1)

2µA

VN5E025ASO-E

for automotive applications

Datasheet − production data

– Overtemperature shutdown with

autorestart (thermal shutdown)
– Reverse battery protected
– Electrostatic discharge protection

Application

■ All types of resistive, inductive and capacitive

loads

■ Suitable as LED driver

Description

The VN5E025ASO-E is a single channel high­side driver manufactured using ST proprietary
VIPower
SO-16L package. The device is designed to drive
12 V automotive grounded loads, and to provide
protection and diagnostics. It also implements a
3 V and 5 V CMOS-compatible interface for use
with any microcontroller.

The device integrates advanced protective
functions such as load current limitation, inrush
and overload active management by power
limitation, overtemperature shut-off with auto­restart and overvoltage active clamp. A dedicated
analog current sense pin is associated with every
output channel providing enhanced diagnostic
functions including fast detection of overload and
short-circuit to ground through power limitation
indication, overtemperature indication, short­circuit to V
off-state open-load detection. The current sensing
and diagnostic feedback of the whole device can
be disabled by pulling the CS_DIS pin high to
share the external sense resistor with similar
devices.

®

M0-5 technology and housed in

diagnosis and on-state and

CC

June 2012 Doc ID 022463 Rev 3 1/37

This is information on a product in full production.

www.st.com

1

Contents VN5E025ASO-E

Contents

1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.5 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.1 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 24

3.1.1 Solution 1: resistor in the ground line (RGND only) . . . . . . . . . . . . . . . . 24

3.1.2 Solution 2: diode (D

3.2 Load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.3 MCU I/O protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.4 Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.4.1 Short to VCC and off-state open-load detection . . . . . . . . . . . . . . . . . . 27

3.5 Maximum demagnetization energy (VCC = 13.5 V) . . . . . . . . . . . . . . . . . 28

) in the ground line . . . . . . . . . . . . . . . . . . . . . . 25

GND

4 Package and PC board thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4.1 SO-16L thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.1 ECOPACK® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.2 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.3 Packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2/37 Doc ID 022463 Rev 3

VN5E025ASO-E List of tables

List of tables

Table 1. Pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table 2. Suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 4. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 5. Power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 6. Switching characteristics (VCC = 13 V, Tj = 25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 7. Logic inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 8. Protection and diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 9. Current sense (8 V < V
Table 10. Open-load detection (8 V < V

Table 11. Truth table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 12. Electrical transient requirements (part 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 13. Electrical transient requirements (part 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 14. Electrical transient requirements (part 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 15. Thermal parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 16. SO-16L mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 17. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Table 18. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

< 18 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

CC

< 18 V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

CC

Doc ID 022463 Rev 3 3/37

List of figures VN5E025ASO-E

List of figures

Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2. Configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3. Current and voltage conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 4. Current sense delay characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 5. Open-load off-state delay timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 6. Switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 7. Delay response time between rising edge of output current and rising edge of current

sense (CS enabled) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 8. Output voltage drop limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 9. I

Figure 10. Maximum current sense ratio drift vs load current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 11. Normal operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 12. Overload or short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 13. Intermittent overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 14. Off-state open-load with external circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 15. Short to V
Figure 16. T

Figure 17. Off-state output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 18. High level input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 19. Input clamp level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 20. Input low level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 21. Input high level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 22. Input hysteresis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 23. On-state resistance vs Tcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 24. On-state resistance vs VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 25. Undervoltage shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 26. Turn-on voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 27. ILIMH vs Tcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 28. Turn-off voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 29. CS_DIS high level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 30. CS_DIS clamp voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 31. CS_DIS low level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 32. Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 33. Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 34. Maximum turn off current versus inductance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 35. SO-16L PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 36. \Rthj-amb vs PCB copper area in open box free air condition . . . . . . . . . . . . . . . . . . . . . . 29

Figure 37. SO-16L thermal impedance junction ambient single pulse. . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 38. Thermal fitting model of a single channel HSD in SO-16L

Figure 39. SO-16L package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Figure 40. SO-16L tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 41. SO-16L tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

/ I

OUT

evolution in overload or short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

J

vs I

SENSE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

CC

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

OUT

. . . . . . . . . . . . . . . . . . . . . . . . . 30

4/37 Doc ID 022463 Rev 3

VN5E025ASO-E Block diagram and pin description

V

CC

Control & Diagnostic

LOGIC

DRIVER

V

ON

Limitation

Current

Limitation

Power
Clamp

OFF State
Open load

Over

temp.

Undervoltage

V

SENSEH

Current

Sense

OVERLOAD PROTECTION

(ACTIVE POWER LIMITATION)

IN

CS

CS_
DIS

GND

OUT

Signal Clamp

1 Block diagram and pin description

Figure 1. Block diagram

Table 1. Pin function

Name Function

V

CC

OUTPUT Power output.

GND

INPUT

Battery connection.

Ground connection. Must be reverse battery protected by an external diode /
resistor network.

Voltage controlled input pin with hysteresis, CMOS compatible. It controls
output switch state.

CURRENT SENSE Analog current sense pin, it delivers a current proportional to the load current.

CS_DIS Active high CMOS compatible pin, to disable the current sense pin.

Doc ID 022463 Rev 3 5/37

Block diagram and pin description VN5E025ASO-E

Figure 2. Configuration diagram (top view)



*1'

1&

,1387

&6(16(

1&

&6',6



Table 2. Suggested connections for unused and not connected pins

Connection / pin Current sense N.C. Output Input CS_DIS

Floating Not allowed X

To ground

Through 1 kΩ

resistor

(1)

X

 9FF9FF

1&

1&

1&

287387

287387

287387

9FF9FF



("1($'5

XXX

Through

22 kΩ resistor

Through 10 kΩ

resistor

Through 10 kΩ

resistor

1. X: do not care.

6/37 Doc ID 022463 Rev 3

VN5E025ASO-E Electrical specifications

I

S

I

GND

V

CC

V

CC

V

SENSE

OUTPUT

I

OUT

CURRENT SENSE

I

SENSE

INPUT

I

IN

V

IN

V

OUT

GND

CS_DIS

I

CSD

V

CSD

V

F

2 Electrical specifications

Figure 3. Current and voltage conventions

Note: V

F

= V

- VCC during reverse battery condition.

OUT

2.1 Absolute maximum ratings

Applying stress which exceeds the rating listed in Table 3: Absolute maximum ratings may

cause permanent damage to the device. These are stress ratings only and operation of the

device at these or any other conditions above those indicated in the Operating sections of

this specification is not implied. Exposure to the conditions in table below for extended

periods may affect device reliability.

Table 3. Absolute maximum ratings

Symbol Parameter Value Unit

V

-V

-I

I

-I

I

-I

CSENSE

V

CSENSE

E

DC supply voltage 41 V

CC

Reverse DC supply voltage 0.3 V

CC

DC reverse ground pin current 200 mA

GND

DC output current Internally limited A

OUT

Reverse DC output current 20 A

OUT

I

DC input current -1 to 10 mA

IN

DC current sense disable input current -1 to 10 mA

CSD

DC reverse CS pin current 200 mA

Current sense maximum voltage

(Typ.)

Doc ID 022463 Rev 3 7/37

Maximum switching energy (single pulse)
L=0.8mH; RL=0Ω; V

MAX

I

OUT=IlimL

=13.5V; T

bat

VCC-41

jstart

=150°C;

+V

CC

140 mJ

V
V

Electrical specifications VN5E025ASO-E

Table 3. Absolute maximum ratings (continued)

Symbol Parameter Value Unit

Electrostatic discharge
(Human Body Model: R = 1.5 KΩ; C = 100 pF)

V
V
V
V
V

V

V

ESD

ESD

T

T

– INPUT
– CURRENT SENSE
–CS_DIS
–OUTPUT
–V

CC

4000
2000
4000
5000
5000

Charge device model (CDM-AEC-Q100-011) 750 V

Junction operating temperature -40 to 150 °C

j

Storage temperature -55 to 150 °C

stg

2.2 Thermal data

Table 4. Thermal data

Symbol Parameter Typ. value Unit

R

thj-pcb

R

thj-amb

1. The measure is done in accordance with the JESD 51-8.

Thermal resistance junction-pcb

Thermal resistance junction-ambient See Figure 36 °C/W

(1)

19 °C/W

2.3 Electrical characteristics

Values specified in this section are for 8 V < VCC< 28 V; -40°C < Tj< 150°C, unless

otherwise stated.

Table 5. Power section

Symbol Parameter Test conditions Min. Typ. Max. Unit

V

V

V

USDhyst

R

V

clamp

Operating supply

CC

voltage

Undervoltage shutdown 3.5 4.5 V

USD

Undervoltage shutdown
hysteresis

I

OUT

On-state resistance

on

I

OUT

I

OUT

Clamp voltage IS= 20 mA 41 46 52 V

Off-state; V
V

I

S

Supply current

IN=VOUT=VSENSE=VCSD

On-state; V
I

OUT

4.5 13 28 V

0.5 V

=3A; Tj=25°C 25 mΩ

=3A; Tj= 150°C 50 mΩ

=3A; VCC=5V; Tj= 25°C 35 mΩ

=0A

=13V; Tj= 25°C;

CC

=13V; VIN=5V;

CC

=0V

(1)

2

(1)

5

µA

1.5 3 mA

8/37 Doc ID 022463 Rev 3

VN5E025ASO-E Electrical specifications

Table 5. Power section (continued)

Symbol Parameter Test conditions Min. Typ. Max. Unit

VIN=V

=25°C

T

I

L(off1)

1. PowerMOS leakage included.

Table 6. Switching characteristics (VCC=13V, Tj=25°C)

Off-state output current

Output - VCC diode

V

F

voltage

j

VIN=V

= 125°C

T

j

-I

OUT

=0V; VCC=13V;

OUT

=0V; VCC=13V;

OUT

00.01 3 µA

05µA

=2A; Tj= 150°C 0.7 V

Symbol Parameter Test conditions Min. Typ. Max. Unit

=4.3Ω

R

L

(see Figure 6)

=4.3Ω

R

L

(see Figure 6)

RL=4.3Ω
(see Figure 6)

RL=4.3Ω
(see Figure 6)

—15 —µs

—40 —µs

See

Figure 26

See

Figure 28

—V/µs

—V/µs

—0.4 —mJ

—0.5 —mJ

(dV

(dV

t

d(on)

t

d(off)

OUT

OUT

W

W

ON

OFF

Turn-on delay time

Turn-off delay time

/dt)onTurn-on voltage slope RL=4.3Ω —

/dt)

Turn-off voltage slope RL=4.3Ω —

off

Switching energy losses
during t

won

Switching energy losses
during t

woff

Table 7. Logic inputs

Symbol Parameter Test conditions Min. Typ. Max. Unit

V

I

V

I

V

I(hyst)

V

V

CSDL

I

CSDL

V

CSDH

I

CSDH

V

CSD(hyst)

Input low level voltage 0.9 V

IL

Low level input current VIN=0.9V 1 µA

IL

Input high level voltage 2.1 V

IH

High level input current VIN=2.1V 10 µA

IH

Input hysteresis voltage 0.25 V

I

=1mA 5.5 7 V

Input clamp voltage

ICL

IN

IIN=-1mA -0.7 V

CS_DIS low level voltage 0.9 V

Low level CS_DIS current V

=0.9V 1 µA

CSD

CS_DIS high level voltage 2.1 V

High level CS_DIS current V

=2.1V 10 µA

CSD

CS_DIS hysteresis voltage 0.25 V

Doc ID 022463 Rev 3 9/37

Electrical specifications VN5E025ASO-E

Table 7. Logic inputs (continued)

Symbol Parameter Test conditions Min. Typ. Max. Unit

I

=1mA 5.5 7 V

V

CSCL

CS_DIS clamp voltage

CSD

I

=-1mA -0.7 V

CSD

Table 8. Protection and diagnostics

(1)

Symbol Parameter Test conditions Min. T yp. Max. Unit

V

= 13 V 43 60 85 A

I

limH

I

limL

T

T

T

T

HYST

V

DEMAG

V

1. To ensure long term reliability under heavy overload or short circuit conditions, protection and related
diagnostic signals must be used together with a proper software strategy. If the device operates under
abnormal conditions this software must limit the duration and number of activation cycles.

T a ble 9. Current sense (8 V < VCC<18V)

DC short circuit current

Short circuit current
during thermal cycling

Shutdown temperature 150 175 200 °C

TSD

Reset temperature TRS + 1 TRS + 5 °C

R

Thermal reset of status 135 °C

RS

Thermal hysteresis

TSD-TR

)

(T

Turn-off output voltage
clamp

Output voltage drop

ON

limitation

CC

5V<V

<28V 85 A

CC

VCC=13V;
T

R<Tj<TTSD

I

=2A; VIN=0;

OUT

L=6mH

I

=0.1A;

OUT

T

= -40°C...150°C

j

(see Figure 8)

15 A

7°C

-41 VCC-46 VCC-52 V

V

CC

25 mV

Symbol Parameter Test conditions Min. Typ. Max. Unit

I

= 0.05 A;

K

LED

K

K

0

1

I

OUT/ISENSE

I

OUT/ISENSE

I

OUT/ISENSE

OUT

V
T

I
V
T

I
V

T

= 0.5 V; V

SENSE

= -40°C...150°C

j

=0.5A; V

OUT

=0V;

CSD

= -40°C...150°C

j

=2A; V

OUT

=0V;

CSD

= -40°C...150°C

j

Tj= 25°C...150°C

I

=2A; V

dK1/K

(1)

Current sense ratio drift

1

OUT

=0V;

V

CSD

T

= -40°C...150°C

j

10/37 Doc ID 022463 Rev 3

SENSE

SENSE

SENSE

CSD

=4V;

=4V;

=0V;

=0.5V;

1370 3180 4930

1990 3050 4120

2100

2860

3840

2220

2860

3500

-10 10 %

VN5E025ASO-E Electrical specifications

T a ble 9. Current sense (8 V < VCC< 18 V) (continued)

Symbol Parameter Test conditions Min. Typ. Max. Unit

I

K

dK2/K

K

dK3/K

I

SENSE0

I

OL

V

SENSE

I

2

OUT/ISENSE

(1)

Current sense ratio drift

2

I

3

OUT/ISENSE

(1)

Current sense ratio drift

3

Analog sense leakage
current

Open-load on-state
current detection
threshold

Max analog sense output
voltage

=3A; V

OUT

=0V;

V

CSD

Tj= -40°C...150°C
T

= 25°C...150°C

j

=3A; V

I

OUT

V

=0V;

CSD

= -40°C...150°C

T

j

I

=10A; V

OUT

=0V;

V

CSD

Tj= -40°C...150°C
Tj= 25°C...150°C

I

=10A; V

OUT

=0V;

V

CSD

= -40°C...150°C

T

j

=0A; V

I

OUT

=5V; VIN=0V;

V

CSD

= -40°C...150°C

T

j

I

=0A; V

OUT

=0V; VIN=5V;

V

CSD

= -40°C...150°C

T

j

I

=2A; V

OUT

=5V; VIN=5V;

V

CSD

= -40°C...150°C

T

j

=5V, 8V<VCC<18V;

V

IN

=5µA

I

SENSE

=3A; V

I

OUT

=4V;

SENSE

2300

2850

2420

2850

=4V;

SENSE

-7 7 %

=4V;

SENSE

2690

2830

2700

2830

=4V;

SENSE

-4 4 %

=0V;

SENSE

01µA

=0V;

SENSE

02µA

=0V;

SENSE

01µA

530mA

=0V 5 V

CSD

3520
3300

3060
3020

V

SENSEH

I

SENSEH

t

DSENSE1H

t

DSENSE1L

t

DSENSE2H

Analog sense output

(2)

voltage in fault condition

Analog sense output

(2)

current in fault condition

Delay response time from
falling edge of CS_DIS pin

Delay response time from
rising edge of CS_DIS pin

Delay response time from
rising edge of INPUT pin

V

=13V; R

CC

=13V; V

V

CC

V

SENSE

0.5 A < I
I

SENSE

<4V;

<10A;

OUT

= 90% of I

=3.9KΩ 8V

SENSE

=5V 9 mA

SENSE

SENSE max

40 100 µs

(see Figure 4)

V

0.5 A < I
I

SENSE

SENSE

<4V;

<10A;

OUT

= 10% of I

SENSE max

520µs

(see Figure 4)

SENSE

SENSE

<4V;

<10A;

OUT

= 90% of I

SENSE max

80 300 µs

V

0.5 A < I
I
(see Figure 4)

Doc ID 022463 Rev 3 11/37

Electrical specifications VN5E025ASO-E

SENSE CURRENT

INPUT

LOAD CURRENT

CS_DIS

t

DSENSE2H

t

DSENSE2L

t

DSENSE1L

t

DSENSE1H

T a ble 9. Current sense (8 V < VCC< 18 V) (continued)

Symbol Parameter Test conditions Min. Typ. Max. Unit

SENSE

SENSE

= 90% of I

OUT

OUTMAX

SENSE

SENSE

<4V;

= 90% of I

SENSEMAX,

OUTMAX

= 3 A (see Figure 7)

<4V;

<10A;

OUT

= 10% of I

SENSE max

110 µs

80 250 µs

Δ

t

DSENSE2H

t

DSENSE2L

Delay response time
between rising edge of
output current and rising
edge of current sense

Delay response time from
falling edge of INPUT pin

V
I

I
I

V

0.5 A < I
I
(see Figure 4)

1. Parameter guaranteed by design, it is not tested.

2. Fault condition includes: power limitation, overtemperature and open-load off-state detection.

Table 10. Open-load detection (8 V < VCC<18V)

Symbol Parameter Test conditions Min. Typ. Max. Unit

Open-load off-state

V

OL

voltage detection

=0V 2 — 4 V

V

IN

threshold

Output short circuit to

t

DSTKON

V

detection delay at

CC

See Figure 5 180 — 1200 µs

turn-off

I

L(off2)r

I

L(off2)f

Off-state output current at
V

=4V

OUT

Off-state output current at
V

=2V

OUT

=0V; V

V

IN

V

rising from 0 V to 4 V

OUT

V

=0V;

IN

V

SENSE=VSENSEH

SENSE

=0V;

; V

falling from VCC to 2 V

OUT

-120 — 0 µA

-50 — 90 µA

Delay response from

t

d_vol

output rising edge to
V

SENSE

rising edge in

=4V; VIN=0V;

V

OUT

V

SENSE

= 90% of V

open-load

Figure 4. Current sense delay characteristics

12/37 Doc ID 022463 Rev 3

SENSEH

—20µs

VN5E025ASO-E Electrical specifications

V

IN

V

CS

t

DSTKON

OUTPUT STUCK TO V

CC

V

OUT

> V

OL

V

SENSEH

V

OUT

dV

OUT

/dt

(on)

t

r

80%

10%

t

f

dV

OUT

/dt

(off)

t

d(off)

t

d(on)

INPUT

t

t

90%

t

Won

t

Woff

Figure 5. Open-load off-state delay timing

Figure 6. Switching characteristics

Doc ID 022463 Rev 3 13/37

Electrical specifications VN5E025ASO-E

V

IN

I

OUT

I

SENSE

I

OUTMAX

I

SENSEMAX

90% I

SENSEMAX

90% I

OUTMAX

Δ

t

DSENSE2H

t

t

t

V

on

I

out

V

cc-Vout

T

j

=150oC

T

j

=25oC

T

j

=-40oC

V

on/Ron(T)

Figure 7. Delay response time between rising edge of output current and rising

edge of current sense (CS enabled)

Figure 8. Output voltage drop limitation

14/37 Doc ID 022463 Rev 3

VN5E025ASO-E Electrical specifications

17 0 0

2200

2700

3200

3700

4200

2345 678910

I

OUT

(A)

I

out

/ I

sense

max Tj = -40 °C to 150 °C

max Tj = 25 °C to 150 °C

min Tj = 25 °C to 150 °C

min Tj = -40 °C to 150 °C

typical value

-10

-5

0

5

10

2345678910

dk/k(%)

I

OUT

(A)

Figure 9. I

OUT

/ I

SENSE

vs I

OUT

Figure 10. Maximum current sense ratio drift vs load current

Note: Parameter guaranteed by design; it is not tested.

Doc ID 022463 Rev 3 15/37

Electrical specifications VN5E025ASO-E

Table 11. Truth table

Conditions Input Output Sense (V

Normal operation

L
H

L

H

CSD

0

Nominal

=0V)

(1)

Overtemperature

Undervoltage

Overload

Short circuit to GND
(power limitation)

Open-load off-state
(with external pull-up)

Short circuit to V

CC

(external pull-up
disconnected)

Negative output voltage
clamp

1. If the V
and external circuit.

is high, the SENSE output is at a high impedance, its potential depends on leakage currents

CSD

L
H

L
H

H

L
L

L
L

X

0

V

SENSEH

0
0

Nominal

(no power limitation)

H

Cycling

V

SENSEH

(power limitation)

L
H

LHV

L
H

L
L

H
H

0

V

SENSEH

SENSEH

V

SENSEH

< Nominal

LL 0

16/37 Doc ID 022463 Rev 3

VN5E025ASO-E Electrical specifications

T able 12. Electrical transient requirements (part 1)

ISO 7637-2:

2004(E)

T est puls e

Test levels

(1)

Number of

pulses or

III IV Min. Max.

test times

Burst cycle/pulse

repetition time

Delays and
Impedance

1 -75V -100V 5000 pulses 0.5s 5s 2 ms, 10Ω

2a +37V +50V 5000 pulses 0.2s 5s 50µs, 2Ω

3a -100V -150V 1h 90ms 100ms 0.1µs, 50Ω

3b +75V +100V 1h 90ms 100ms 0.1µs, 50Ω

4 -6V -7V 1 pulse 100ms, 0.01Ω

(2)

5b

1. The above test levels must be considered referred to VCC= 13.5V except for pulse 5b.

2. Valid in case of external load dump clamp: 40V maximum referred to ground.

T able 13. Electrical transient requirements (part 2)

ISO 7637-2:

+65V +87V 1 pulse 400ms, 2Ω

Test level results

2004E

T est puls e

III VI

1C C

2a C C

3a C C

3b C C

4C C

(1)

5b

1. Valid in case of external load dump clamp: 40V maximum referred to ground.

T able 14. Electrical transient requirements (part 3)

CC

Class Contents

C All functions of the device performed as designed after exposure to disturbance.

E

One or more functions of the device did not perform as designed after exposure to
disturbance and cannot be returned to proper operation without replacing the device.

Doc ID 022463 Rev 3 17/37

Electrical specifications VN5E025ASO-E

I

OUT

V

SENSE

V

CS_DIS

INPUT

Nominal load Nominal load

Normal operation

Power Limitation

I

LimH

>

I

LimL

>

I

OUT

V

SENSE

V

CS_DIS

INPUT

Thermal cycling

Overload or Short to GND

2.4 Waveforms

Figure 11. Normal operation

Figure 12. Overload or short to GND

18/37 Doc ID 022463 Rev 3

VN5E025ASO-E Electrical specifications

I

OUT

V

SENSE

V

CS_DIS

INPUT

I

LimH

>

Nominal load

Intermittent Overload

I

LimL

>

Overload

V

SENSEH

>

INPUT

OFF-State Open Load

with external circutry

V

OL

I

OUT

V

SENSE

V

CS_DIS

V

OUT

V

OUT

> V

OL

t

DSTK(on)

V

SENSEH

>

Figure 13. Intermittent overload

Figure 14. Off-state open-load with external circuitry

Doc ID 022463 Rev 3 19/37

Electrical specifications VN5E025ASO-E

t

DSTK(on)

V

OUT

> V

OL

Resistive

Short to V

CC

Hard

Short to V

CC

Short to V

CC

I

OUT

V

CS_DIS

V

OUT

V

OL

t

DSTK(on)

T

TSD

T

R

TJ evolution in

Overload or Short to GND

I

LimH

>

< I

LimL

T

J_START

T

HYST

Power Limitation

Self-limitation of fast thermal transients

INPUT

I

OUT

T

J

Figure 15. Short to V

CC

Figure 16. TJ evolution in overload or short to GND

20/37 Doc ID 022463 Rev 3

VN5E025ASO-E Electrical specifications

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

300

600

900

1200

1500

Iloff (nA)

Off State
Vcc=13V

Vin=Vout=0V

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

1

1,5

2

2,5

3

3,5

4

4,5

5

Iih (µA)

Vin=2.1V

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

6

6,2

6,4

6,6

6,8

7

Vicl (V)

lin=1mA

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

0,2

0,4

0,6

0,8

1

1,2

1,4

1,6

1,8

2

Vil (V)

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

0,5

1

1,5

2

2,5

3

3,5

4

Vih (V)

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

Vihyst (V)

2.5 Electrical characteristics curves

Figure 17. Off-state output current Figure 18. High level input current

Figure 19. Input clamp level Figure 20. Input low level

Figure 21. Input high level Figure 22. Input hysteresis voltage

Doc ID 022463 Rev 3 21/37

Electrical specifications VN5E025ASO-E

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

20

40

60

80

Ron (mOhm)

Iout= 3A

Vcc=13V

0 5 10 15 20 25 30 35 40

Vcc (V)

0

10

20

30

40

50

60

Ron (mOhm)

Tc=-40°C

Tc=25°C

Tc=125°C

Tc=150°C

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

1

2

3

4

5

6

7

8

Vusd (V)

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

100

200

300

400

500

600

700

(dVout/dt )On ( V/ms)

Vcc=13V

RI=4.3 Ohm

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

40

50

60

70

80

Ilimh (A)

Vcc=13V

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

50

100

150

200

250

300

350

400

(dVout/dt )Off (V/m s)

Vcc=13V

RI= 4.3 Ohm

Figure 23. On-state resistance vs T

Figure 25. Undervoltage shutdown Figure 26. Turn-on voltage slope

case

Figure 24. On-state resistance vs V

CC

Figure 27. I

22/37 Doc ID 022463 Rev 3

LIMH

vs T

case

Figure 28. Turn-off voltage slope

VN5E025ASO-E Electrical specifications

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

0,5

1

1,5

2

2,5

3

3,5

4

Vcsdh (V)

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

2

3

4

5

6

7

8

9

10

Vcsdcl(V)

Iin = 1 mA

-50 -25 0 25 50 75 100 125 150 175

Tc (°C)

0

0,5

1

1,5

2

2,5

3

Vcsdl (V)

Figure 29. CS_DIS high level voltage Figure 30. CS_DIS clamp voltage

Figure 31. CS_DIS low level voltage

Doc ID 022463 Rev 3 23/37

Application information VN5E025ASO-E

V

CC

GND

OUTPUT

D

GND

R

GND

D

ld

Μ

CU

+5V

V

GND

CS_DIS

IINPUT

R

prot

R

prot

CURRENT SENSE

R

prot

R

SENSE

C

ext

3 Application information

Figure 32. Application schematic

3.1 GND protection network against reverse battery

This section provides two solutions for implementing a ground protection network against
reverse battery.

3.1.1 Solution 1: resistor in the ground line (R

This can be used with any type of load.

The following shows how to dimension the R

1. R

2. R

where -I

≤ 600mV / (I

GND

≥ (−VCC) / (-I

GND

is the DC reverse ground pin current and can be found in the absolute

GND

S(on)max

GND

)

)

maximum rating section of the device datasheet.

Power dissipation in R

P

=(-VCC)2/R

D

(when VCC<0 during reverse battery situations) is:

GND

GND

This resistor can be shared amongst several different HSDs. Please note that the value of
this resistor should be calculated with formula (1) where I
maximum on-state currents of the different devices.

24/37 Doc ID 022463 Rev 3

Please note that, if the microprocessor ground is not shared by the device ground, then the
R

produces a shift (I

GND

S(on)max

* R

) in the input thresholds and the status output

GND

GND

resistor:

GND

only)

S(on)max

becomes the sum of the

VN5E025ASO-E Application information

values. This shift varies depending on how many devices are ON in case of several high­side drivers sharing the same R

GND

.

If the calculated power dissipation requires the use of a large resistor, or several devices
have to share the same resistor, then ST suggests using the here below solution 2.

3.1.2 Solution 2: diode (D

Note that a resistor (R

GND

) in the ground line

GND

=1kΩ) should be inserted in parallel to D

an inductive load.

This small signal diode can be safely shared amongst several different HSDs. Also in this
case, the presence of the ground network produces a shift (≈600mV) in the input threshold
and in the status output values if the microprocessor ground is not common to the device
ground. This shift not varies if more than one HSD shares the same diode/resistor network.

3.2 Load dump protection

Dld is necessary (Voltage Transient Suppressor) if the load dump peak voltage exceeds the
V

maximum DC rating. The same applies if the device is subject to transients on the VCC

CC

line that are greater than the ones shown in the ISO 7637-2: 2004(E) table.

3.3 MCU I/O protection

If a ground protection network is used and negative transients are present on the VCC line,
the control pins are pulled negative. ST suggests to insert a resistor (R
the microcontroller I/O pins from latching up.

The value of these resistors is a compromise between the leakage current of microcontroller
and the current required by the HSD I/Os (Input levels compatibility) with the latch-up limit of
microcontroller I/Os:

if the device drives

GND

) in line to prevent

prot

-V

CCpeak/Ilatchup

≤ R

prot

Calculation example:

For V

CCpeak

5kΩ ≤ R

= - 100V and I

≤ 180kΩ

prot

Recommended values: R

≤ (V

OHμC-VIH-VGND

≥ 20mA; V

latchup

=10kΩ, C

prot

Doc ID 022463 Rev 3 25/37

EXT

) / I

IHmax

OHµC

= 10nF.

≥ 4.5V

Application information VN5E025ASO-E

Main MOSn

41V

OUTn

I

Loff2r

R

SENSE

R

PROT

To uC ADC

R

PD

R

PU

V

PU

Pwr_Lim

V

SENSE

PU_CMD

Overtemperature

OL OFF

+

-

V

OL

CURRENT

SENSEn

I

OUT/KX

I

SENSEH

V

BAT

I

Loff2f

V

SENSEH

Load

INPUTn

V

CC

GND

CS_DIS

3.4 Current sense and diagnostic

The current sense pin performs a double function (see Figure 33: Current sense and

diagnostic):

● Current mirror of the load current in normal operation, delivering a current

proportional to the load current according to a known ratio K

The current I
external resistor R
minimum (see parameter V

can be easily converted to a voltage V

SENSE

. Linearity between I

SENSE

SENSE

in Table 9: Current sense (8 V < VCC<18V)). The

OUT

and V

current sense accuracy depends on the output current (refer to current sense electrical
characteristics Table 9: Current sense (8 V < V

● Diagnostic flag in fault conditions, delivering a fixed voltage V

maximum current I

SENSEH

in case of the following fault conditions (refer to Truth table):

<18V)).

CC

– Power limitation activation

–Overtemperature

– Short to V

in off-state

CC

– Open-load in off-state with additional external components.

A logic level high on the CS_DIS pin simultaneously sets all the current sense pins of the
device in a high impedance state, thus disabling the current monitoring and diagnostic
detection. This feature allows multiplexing of the microcontroller analog inputs by sharing
the sense resistance and ADC line among different devices.

.

X

by means of an

SENSE

is ensured up to 5V

SENSE

SENSEH

up to a

Figure 33. Current sense and diagnostic

26/37 Doc ID 022463 Rev 3

VN5E025ASO-E Application information

VVIRV

OLfoffLPD

OFFupPull

OUT

2

min)2(

_

=<⋅=

−

VV

RR

IRRVR

V

OL

PDPU

roffLPDPUPUPD

ONupPull

OUT

4

max

)2(

_

=>

+

=

−

3.4.1 Short to VCC and off-state open-load detection

Short to V

A short circuit between V
V

SENSEH

CC

and output is indicated by the relevant current sense pin set to

CC

during the device off-state. Little or no current is delivered by the current sense

during the on-state depending on the nature of the short circuit.

Off-state open-load with exte rnal circuitry

Detection of an open-load in off mode requires an external pull-up resistor (R
the output to a positive supply voltage (V

It is preferable that V

is switched off during the module standby mode to avoid an increase

PU

PU

).

) connecting

PU

in overall standby current consumption in normal conditions, that is, when the load is
connected.

An external pull-down resistor (R

) connected between output and GND is mandatory to

PD

avoid misdetection in case of floating outputs in off-state (see Figure 33: Current sense and

diagnostic).

R

must be selected in order to ensure V

PD

OUT < VOLmin

unless pulled up by the external

circuitry:

R

≤ 22 KΩ is recommended.

PD

For proper open-load detection in off-state, the external pull-up resistor must be selected
according to the following formula:

For the values of V

(8 V < V

CC

<18V).

OLmin,VOLmax, IL(off2)r

Doc ID 022463 Rev 3 27/37

and I

⋅⋅−⋅

see Table 10: Open-load detection

L(off2)f

Application information VN5E025ASO-E

1

10

100

0,1 1 10 100L (mH)

I (A)

Demagnetization Demagnetization Demagnetization

t

V

IN

, I

L

C: T

jstart

= 125°C repetitive pulse

A: T

jstart

= 150°C single pulse

B: T

jstart

= 100°C repetitive pulse

A

B

C

3.5 Maximum demagnetization energy (VCC=13.5V)

Figure 34. Maximum turn off current versus inductance

Note: Values are generated with R

In case of repetitive pulses, T
must not exceed the temperature specified above for curves A and B.

=0Ω.

L

(at the beginning of each demagnetization) of every pulse

jstart

28/37 Doc ID 022463 Rev 3

VN5E025ASO-E Package and PC board thermal data

("1($'5

TBD



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4 Package and PC board thermal data

4.1 SO-16L thermal data

Figure 35. SO-16L PC board

Note: Layout condition of Rth and Zth measurements (PCB: Double Layers, Thermal Vias,FR4

area 77mm X 86 mm, PCB thickness=1.6mm, Cu thickness = 70µm (front and back side),
Copper area from minimum pad lay- out to 24 cm2 ).

Figure 36. \R

vs PCB copper area in open box free air condition

thj-amb

Doc ID 022463 Rev 3 29/37

Package and PC board thermal data VN5E025ASO-E

TBD

("1(3*

Z

THδRTH

δ Z

THtp

1 δ–()+⋅=

where

δ tpT⁄=

Figure 37. SO-16L thermal impedance junction ambient single pulse

=7+&:

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&X FP

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("1(3*

Figure 38. Thermal fitting model of a single channel HSD in SO-16L

Equation 1: pulse calculation formula:

30/37 Doc ID 022463 Rev 3

VN5E025ASO-E Package and PC board thermal data

Table 15. Thermal parameter

Area/island (cm2)Footprint28

R1 (°C/W) 0.28

R2 (°C/W) 1.8

R3 (°C/W) 4

R4 (°C/W) 8 6 6

R5 (°C/W) 14 13 13

R6 (°C/W) 28 20 14.5

C1 (W.s/°C) 0.001

C2 (W.s/°C) 0.003

C3 (W.s/°C) 0.1

C4 (W.s/°C) 0.5

C5 (W.s/°C) 1 1.5 1.5

C6 (W.s/°C) 3 9 12

Doc ID 022463 Rev 3 31/37

Package and packing information VN5E025ASO-E

("1($'5

5 Package and packing information

5.1 ECOPACK® packages

In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com

ECOPACK

®

packages, depending on their level of environmental compliance. ECOPACK®

®

is an ST trademark.

5.2 Package mechanical data

Figure 39. SO-16L package dimensions

.

32/37 Doc ID 022463 Rev 3

VN5E025ASO-E Package and packing information

T able 16. SO-16L mechanical data

Millimeters

Symbol

Min Typ Max

A 2.35 2.65

A1 0.10 0.30

B 0.33 0.51

C 0.23 0.32

D 10.10 10.50

E 7.40 7.60

e1.27

H 10.00 10.65

h 0.25 0.75

L 0.40 1.27

k0° 8°

ddd 0.10

Doc ID 022463 Rev 3 33/37

Package and packing information VN5E025ASO-E

!LLDIMENSIONSAREINMM

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5.3 Packing information

Figure 40. SO-16L tube shipment (no suffix)

Figure 41. SO-16L tape and reel shipment (suffix “TR”)

34/37 Doc ID 022463 Rev 3

VN5E025ASO-E Order codes

6 Order codes

T a ble 17. Device summary

Package

Tube Tape and reel

SO-16L VN5E025ASO-E VN5E025ASOTR-E

Order codes

Doc ID 022463 Rev 3 35/37

Revision history VN5E025ASO-E

7 Revision history

Table 18. Document revision history

Date Revision Changes

10-Nov-2011 1 Initial release.

12-Mar-2012 2 Added Section 5: Package and packing information.

Table 4: Thermal data:

25-Jun-2012 3

–R
–R

thj-case

thj-pcb

: added row

: removed row

36/37 Doc ID 022463 Rev 3

VN5E025ASO-E

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