ST VN5E025ASO-E User Manual

VN5E025ASO-E

Single channel high-side driver with analog current sense for automotive applications

					Datasheet − production data
	Features
	Max supply voltage	VCC	41 V		SO-16L
	Operating voltage range	VCC	4.5 to 28 V		("1($'5
	Max on-state resistance	RON	25 mΩ	–	Overtemperature shutdown with
	Current limitation (typ)	ILIMH	60 A		autorestart (thermal shutdown)
				–	Reverse battery protected
	Off-state supply current	I	2 µA(1)
				–	Electrostatic discharge protection
		S

1. Typical value with all loads connected.

Application

■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 VCC detection

–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 VCC

■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® M0-5 technology and housed in 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 VCC diagnosis and on-state and 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.

June 2012

Doc ID 022463 Rev 3

1/37

This is information on a product in full production.

www.st.com

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 (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . . 25

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

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

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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 < VCC < 18 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 10. Open-load detection (8 V < VCC < 18 V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 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

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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. IOUT / ISENSE vs IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 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 VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 16. TJ evolution in overload or short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 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 . . . . . . . . . . . . . . . . . . . . . . . . . 30 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

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VN5E025ASO-E	Block diagram and pin description

1 Block diagram and pin description

Figure 1. Block diagram

		VCC
Signal Clamp
Undervoltage	Control & Diagnostic
		Power
		Clamp
IN	DRIVER
		VON
		Limitation
	Over	Current
	temp.	Limitation
		OFF State
CS_		Open load
DIS
	VSENSEH
CS		Current
		Sense
		OUT
LOGIC		OVERLOAD PROTECTION
	(ACTIVE POWER LIMITATION)
		GND

	Table 1.	Pin function
	Name		Function
	VCC		Battery connection.
	OUTPUT		Power output.
	GND		Ground connection. Must be reverse battery protected by an external diode /
			resistor network.
	INPUT		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.

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Block diagram and pin description

VN5E025ASO-E

Figure 2.

Configuration diagram (top view)

9FF

9FF

*1'

1&

1&

1&

,1387

1&

& 6(16(

287387

1&

287387

&6 ',6

287387

9FF

9FF

("1($'5

Table 2.

Suggested connections for unused and not connected pins

Connection / pin

Current sense

N.C.

Output

Input

CS_DIS

Floating

Not allowed

X(1)

X

X

X

To ground

Through 1 kΩ

X

Through

Through 10 kΩ

Through 10 kΩ

resistor

22 kΩ resistor

resistor

resistor

1. X: do not care.

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VN5E025ASO-E	Electrical specifications

2 Electrical specifications

Figure 3. Current and voltage conventions

		IS
	VCC	VF	VCC
ICSD		IOUT
	OUTPUT
CS_DIS		VOUT
V
CSD
IIN
INPUT		ISENSE
CURRENT SENSE
VIN	GND	VSENSE
	IGND

Note:

VF = VOUT - VCC during reverse battery condition.

2.1Absolute 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
	VCC	DC supply voltage	41	V
	-VCC	Reverse DC supply voltage	0.3	V
	-IGND	DC reverse ground pin current	200	mA
	IOUT	DC output current	Internally limited	A
	-IOUT	Reverse DC output current	20	A
	IIN	DC input current	-1 to 10	mA
	ICSD	DC current sense disable input current	-1 to 10	mA
	-ICSENSE	DC reverse CS pin current	200	mA
	VCSENSE	Current sense maximum voltage	VCC-41	V
			+VCC	V
		Maximum switching energy (single pulse)
	EMAX	L = 0.8 mH; RL = 0 Ω; Vbat = 13.5 V; Tjstart = 150°C;	140	mJ
		IOUT = IlimL(Typ.)

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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)
		– INPUT	4000	V
	VESD	– CURRENT SENSE	2000	V
		– CS_DIS	4000	V
		– OUTPUT	5000	V
		– VCC	5000	V
	VESD	Charge device model (CDM-AEC-Q100-011)	750	V
	Tj	Junction operating temperature	-40 to 150	°C
	Tstg	Storage temperature	-55 to 150	°C

2.2Thermal data

Table 4.	Thermal data
Symbol	Parameter	Typ. value	Unit
Rthj-pcb	Thermal resistance junction-pcb(1)	19	°C/W
Rthj-amb	Thermal resistance junction-ambient	See Figure 36	°C/W

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

2.3Electrical 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
VCC	Operating supply		4.5	13		28	V
	voltage
VUSD	Undervoltage shutdown			3.5		4.5	V
VUSDhyst	Undervoltage shutdown			0.5			V
	hysteresis
		IOUT = 3 A; Tj = 25°C		25			mΩ
Ron	On-state resistance	IOUT = 3 A; Tj = 150°C				50	mΩ
		IOUT = 3 A; VCC = 5 V; Tj = 25°C				35	mΩ
Vclamp	Clamp voltage	IS = 20 mA	41	46		52	V
		Off-state; VCC = 13 V; Tj = 25°C;		2	(1)	(1)	µA
		VIN = VOUT = VSENSE = VCSD = 0 V				5
IS	Supply current
		On-state; VCC = 13 V; VIN = 5 V;		1.5		3	mA
		IOUT = 0 A

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VN5E025ASO-E

Electrical specifications

Table 5.

Power section (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN = VOUT = 0 V; VCC = 13 V;

0

0.01

3

µA

IL(off1)

Off-state output current

Tj

= 25°C

VIN = VOUT = 0 V; VCC = 13 V;

0

5

µA

Tj

= 125°C

VF

Output - VCC diode

-IOUT = 2 A; Tj = 150°C

0.7

V

voltage

1. PowerMOS leakage included.

Table 6.

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

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

td(on)

Turn-on delay time

RL = 4.3 Ω

—

15

—

µs

(see Figure 6)

td(off)

Turn-off delay time

RL = 4.3 Ω

—

40

—

µs

(see Figure 6)

(dVOUT/dt)on

Turn-on voltage slope

RL = 4.3 Ω

—

See

—

V/µs

Figure 26

(dVOUT/dt)off

Turn-off voltage slope

RL = 4.3 Ω

—

See

—

V/µs

Figure 28

WON

Switching energy losses

RL = 4.3 Ω

—

0.4

—

mJ

during twon

(see Figure 6)

WOFF

Switching energy losses

RL = 4.3 Ω

—

0.5

—

mJ

during twoff

(see Figure 6)

Table 7.

Logic inputs

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIL

Input low level voltage

0.9

V

IIL

Low level input current

VIN = 0.9 V

1

µA

VIH

Input high level voltage

2.1

V

IIH

High level input current

VIN = 2.1 V

10

µA

VI(hyst)

Input hysteresis voltage

0.25

V

VICL

Input clamp voltage

IIN = 1 mA

5.5

7

V

IIN = -1 mA

-0.7

V

VCSDL

CS_DIS low level voltage

0.9

V

ICSDL

Low level CS_DIS current

VCSD = 0.9 V

1

µA

VCSDH

CS_DIS high level voltage

2.1

V

ICSDH

High level CS_DIS current

VCSD = 2.1 V

10

µA

VCSD(hyst)

CS_DIS hysteresis voltage

0.25

V

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Electrical specifications

VN5E025ASO-E

Table 7.

Logic inputs (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VCSCL

CS_DIS clamp voltage

ICSD = 1 mA

5.5

7

V

ICSD = -1 mA

-0.7

V

Table 8.

Protection and diagnostics (1)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IlimH

DC short circuit current

VCC = 13 V

43

60

85

A

5 V < VCC < 28 V

85

A

IlimL

Short circuit current

VCC = 13 V;

15

A

during thermal cycling

TR < Tj < TTSD

TTSD

Shutdown temperature

150

175

200

°C

TR

Reset temperature

TRS + 1

TRS + 5

°C

TRS

Thermal reset of status

135

°C

THYST

Thermal hysteresis

7

°C

(TTSD-TR)

VDEMAG

Turn-off output voltage

IOUT = 2 A; VIN = 0;

VCC-41

VCC-46

VCC-52

V

clamp

L = 6 mH

Output voltage drop

IOUT = 0.1 A;

VON

limitation

Tj = -40°C...150°C

25

mV

(see Figure 8)

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.

Table 9.	Current sense (8 V < VCC < 18 V)
Symbol	Parameter			Test conditions	Min.	Typ.	Max.	Unit
KLED		IOUT = 0.05 A;			1370	3180	4930
	IOUT/ISENSE	VSENSE = 0.5 V; VCSD = 0 V;
		Tj = -40°C...150°C
K0		IOUT = 0.5 A; VSENSE = 0.5 V;			1990	3050	4120
	IOUT/ISENSE	VCSD = 0 V;
		Tj = -40°C...150°C
		IOUT = 2 A; VSENSE = 4 V;
K1	IOUT/ISENSE	VCSD = 0 V;
		Tj = -40°C...150°C			2100	2860	3840
		Tj = 25°C...150°C			2220	2860	3500
dK /K (1)		IOUT = 2 A; VSENSE = 4 V;
	Current sense ratio drift	V	CSD	= 0 V;	-10		10	%
1 1
		Tj = -40°C...150°C

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VN5E025ASO-E

Electrical specifications

Table 9.

Current sense (8 V < VCC < 18 V) (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IOUT = 3 A; VSENSE = 4 V;

K2

IOUT/ISENSE

VCSD = 0 V;

Tj = -40°C...150°C

2300

2850

3520

Tj = 25°C...150°C

2420

2850

3300

dK /K (1)

IOUT = 3 A; VSENSE = 4 V;

Current sense ratio drift

V

CSD

= 0 V;

-7

7

%

2

2

Tj = -40°C...150°C

IOUT = 10 A; VSENSE = 4 V;

K3

IOUT/ISENSE

VCSD = 0 V;

Tj = -40°C...150°C

2690

2830

3060

Tj = 25°C...150°C

2700

2830

3020

dK /K (1)

IOUT = 10 A; VSENSE = 4 V;

-4

4

%

Current sense ratio drift

V

CSD

= 0 V;

3

3

Tj = -40°C...150°C

IOUT = 0 A; VSENSE = 0 V;

0

1

µA

VCSD = 5 V; VIN = 0 V;

Tj = -40°C...150°C

Analog sense leakage

IOUT = 0 A; VSENSE = 0 V;

0

2

µA

ISENSE0

current

VCSD = 0 V; VIN = 5 V;

Tj = -40°C...150°C

IOUT = 2 A; VSENSE = 0 V;

0

1

µA

VCSD = 5 V; VIN = 5 V;

Tj = -40°C...150°C

Open-load on-state

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

IOL

current detection

5

30

mA

ISENSE = 5 µA

threshold

VSENSE

Max analog sense output

IOUT = 3 A; VCSD = 0 V

5

V

voltage

(2)

Analog sense output

VCC = 13 V; RSENSE = 3.9 KΩ

VSENSEH

voltage in fault condition

8

V

(2)

Analog sense output

VCC = 13 V; VSENSE = 5 V

9

mA

ISENSEH

current in fault condition

VSENSE < 4 V;

tDSENSE1H

Delay response time from

0.5 A < IOUT < 10 A;

40

100

µs

falling edge of CS_DIS pin

I

SENSE

= 90% of I

SENSE max

(see Figure 4)

VSENSE < 4 V;

tDSENSE1L

Delay response time from

0.5 A < IOUT < 10 A;

5

20

µs

rising edge of CS_DIS pin

I

SENSE

= 10% of I

SENSE max

(see Figure 4)

VSENSE < 4 V;

tDSENSE2H

Delay response time from

0.5 A < IOUT < 10 A;

80

300

µs

rising edge of INPUT pin

I

SENSE

= 90% of I

SENSE max

(see Figure 4)

Doc ID 022463 Rev 3

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Electrical specifications								VN5E025ASO-E
	Table 9.	Current sense (8 V < VCC < 18 V) (continued)
	Symbol	Parameter				Test conditions	Min.	Typ.	Max.	Unit
		Delay response time	VSENSE < 4 V;
	tDSENSE2H	between rising edge of	ISENSE = 90% of ISENSEMAX,						110	µs
		output current and rising	I	OUT	=	90% of I
		edge of current sense				OUTMAX
			IOUTMAX = 3 A (see Figure 7)
			VSENSE < 4 V;
	tDSENSE2L	Delay response time from	0.5 A < IOUT < 10 A;					80	250	µs
		falling edge of INPUT pin	I	SENSE		= 10% of I
						SENSE max
			(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 < 18 V)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Open-load off-state

VOL

voltage detection

VIN = 0 V

2

—

4

V

threshold

Output short circuit to

tDSTKON

VCC detection delay at

See Figure 5

180

—

1200

µs

turn-off

IL(off2)r

Off-state output current at

VIN = 0 V; VSENSE = 0 V;

-120

—

0

µA

VOUT = 4 V

VOUT rising from 0 V to 4 V

Off-state output current at

VIN = 0 V;

I

L(off2)f

V

SENSE

= V

SENSEH

; V

-50

—

90

µA

VOUT = 2 V

OUT

falling from VCC to 2 V

Delay response from

td_vol

output rising edge to

VOUT = 4 V; VIN = 0 V;

—

20

µs

VSENSE rising edge in

VSENSE = 90% of VSENSEH

open-load

Figure 4. Current sense delay characteristics

INPUT

CS_DIS

LOAD CURRENT

SENSE CURRENT

tDSENSE2H tDSENSE1L	t	t
	DSENSE1H	DSENSE2L

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