ST L9954, L9954XP User Manual

L9954

L9954XP

Door actuator driver

Features

Three half bridges for 1.5A load (Ron=800mΩ)

One highside driver for 6A load (Ron=100mΩ)

Two highside drivers for 1.5A load (Ron=800mΩ)

Programmable softstart function to drive loads with higher inrush currents (i.e. current >6A, >1.5A)

Very low current consumption in standby mode (IS < 6µA typ; Tj ≤ 85 °C)

All outputs short circuit protected

Current monitor output for highside OUT1, OUT4, OUT5 and OUT6

All outputs over temperature protected

Open load diagnostic for all outputs

Overload diagnostic for all outputs

PWM control of all outputs

Charge pump output for reverse polarity protection

PowerSO-36 PowerSSO-36

Applications

Door actuator driver with bridges for mirror axis control and highside driver for mirror defroster and two 10W-light bulbs.

Description

The L9954 and L9954XP are microcontroller driven, multifunctional door actuator drivers for automotive applications. Up to two DC motors and three grounded resistive loads can be driven with three half bridges and three highside drivers. The integrated standard serial peripheral interface (SPI) controls all operation modes (forward, reverse, brake and high impedance). All diagnostic information is available via the SPI.

Table 1.

Device summary

 

 

 

 

Package

 

Order codes

 

 

 

 

 

Tube

 

Tape and reel

 

 

 

 

 

 

 

 

 

PowerSO-36

L9954

 

L9954TR

 

 

 

 

 

 

PowerSSO-36

L9954XP

 

L9954XPTR

 

 

 

 

 

May 2010

Doc ID 14279 Rev 3

1/37

www.st.com

Contents

L9954 / L9954XP

 

 

Contents

1

Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. 6

2

Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. 9

 

2.1

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9

 

2.2

ESD protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9

 

2.3

Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9

 

2.4

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10

 

2.5

SPI - electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13

3

Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19

 

3.1

Dual power supply: VS and VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19

 

3.2

Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19

 

3.3

Inductive loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19

 

3.4

Diagnostic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19

 

3.5

Overvoltage and undervoltage detection . . . . . . . . . . . . . . . . . . . . . . . . .

20

 

3.6

Charge pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20

 

3.7

Temperature warning and thermal shutdown . . . . . . . . . . . . . . . . . . . . . .

20

 

3.8

Open-load detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20

 

3.9

Over load detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20

 

3.10

Current monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

 

3.11

PWM inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

 

3.12

Cross-current protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

3.13Programmable softstart function to drive loads with higher inrush current 22

4

Functional description of the SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

 

4.1

Serial Peripheral Interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

 

4.2

Chip Select Not (CSN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

 

4.3

Serial Data In (DI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

 

4.4

Serial Data Out (DO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

 

4.5

Serial clock (CLK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

 

4.6

Input data register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

 

4.7

Status register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

2/37

Doc ID 14279 Rev 3

L9954 / L9954XP

 

Contents

 

 

 

 

 

4.8

SPI - Input data and status registers . . . . . . . . . . . . . . . . . . . . . . .

. . . . . 25

5

Packages thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . 29

6

Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . 30

 

6.1

ECOPACK® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . 30

 

6.2

PowerSO-36™ package information . . . . . . . . . . . . . . . . . . . . . . . .

. . . . 30

 

6.3

PowerSSO-36™ package information . . . . . . . . . . . . . . . . . . . . . . .

. . . . 32

 

6.4

PowerSO-36™ packing information . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . 33

 

6.5

PowerSSO-36™ packing information . . . . . . . . . . . . . . . . . . . . . . . .

. . . . 35

7

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . 36

Doc ID 14279 Rev 3

3/37

List of tables

L9954 / L9954XP

 

 

List of tables

Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Pin definitions and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 4. ESD protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 5. Operating junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 6. Temperature warning and thermal shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 7. Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 8. Overvoltage and undervoltage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 9. Current monitor output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 10. Charge pump output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 11. OUT1 - OUT6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 12. Delay time from standby to active mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 13. Inputs: CSN, CLK, PWM1/2 and DI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 14. DI timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 15. DO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 16. DO timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 17. CSN timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 18. SPI - input data and status registers 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Table 19. SPI - input data and status registers 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Table 20. PowerSO-36™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Table 21. PowerSSO-36™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Table 22. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4/37

Doc ID 14279 Rev 3

L9954 / L9954XP

List of figures

 

 

List of figures

Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. Configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 3. SPI - transfer timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 4. SPI - input timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 5. SPI - DO valid data delay time and valid time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 6. SPI - DO enable and disable time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 7. SPI - driver turn on / off timing, minimum CSN HI time. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 8. SPI - timing of status bit 0 (fault condition) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 9. Example of programmable softstart function for inductive loads . . . . . . . . . . . . . . . . . . . . 22 Figure 10. Packages thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 11. PowerSO-36™ package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 12. PowerSSO-36™ package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 13. PowerSO-36TM tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 14. PowerSO-36TM tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 15. PowerSSO-36TM tube shipment (no suffix). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Figure 16. PowerSSO-36TM tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Doc ID 14279 Rev 3

5/37

ST L9954, L9954XP User Manual

Block diagram and pin description

L9954 / L9954XP

 

 

1 Block diagram and pin description

Figure 1. Block diagram

VBAT

100k

VCC

µC

Reverse Polarity

 

 

 

 

 

Protection

 

* Note: Value of capacitor has to be choosen carefully to limit the VS voltage below absolute

 

 

 

*

maximum ratings in case of an unexpected freewheeling condition (e.g. TSD, POR)

 

VS

 

 

 

 

100µF

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

 

Charge

 

OUT1

Mirror Common

 

 

Pump

 

 

 

 

 

OUT2

 

 

 

 

 

Mirror Vertical

 

 

VCC

Diagnostic&Interface

M

 

 

OUT3

 

 

 

SPI Interface

Mirror Horizontal

 

 

 

 

M

**1k

DI

 

 

 

 

**1k

DO

 

 

 

Lock / Folder

**1k

CLK

 

 

 

CSN

 

 

 

 

**1k

 

 

OUT4

 

 

 

 

 

 

**1k

PWM1

 

Driver

 

Programmable

 

OUT5

Bulb (10W) or

 

 

 

 

 

 

 

 

LED Mode

 

 

 

 

OUT6

Defroster

 

 

 

 

 

**1kPWM2 / CM

 

MUX

4

 

 

 

 

GND

 

 

** Note: Resistors between µC and L9954LXP are recommended to limit currents for negative voltage transients at VBAT (e.g. ISO type 1 pulse)

Table 2.

Pin definitions and functions

Pin

 

Symbol

Function

 

 

 

 

 

 

 

Ground :

1, 18, 19, 36

GND

Reference potential

Important: for the capability of driving the full current at the outputs all

 

 

 

 

 

 

pins of GND must be externally connected.

 

 

 

 

 

 

 

Highside-driver-output 6

 

 

 

The output is built by a highside switch and is intended for resistive

 

 

 

loads, hence the internal reverse diode from GND to the output is

 

 

 

missing. For ESD reason a diode to GND is present but the energy

2, 35

 

OUT6

which can be dissipated is limited. The highside driver is a power

 

DMOS transistor with an internal parasitic reverse diode from the

 

 

 

 

 

 

output to VS (bulk-drain-diode). The output is over-current and open

 

 

 

load protected.

 

 

 

Important: for the capability of driving the full current at the outputs both

 

 

 

pins of OUT6 must be externally connected.

 

 

 

 

6/37

Doc ID 14279 Rev 3

L9954 / L9954XP

 

 

Block diagram and pin description

 

 

 

 

 

 

Table 2.

Pin definitions and functions (continued)

 

Pin

 

Symbol

Function

 

 

 

 

 

 

 

 

 

Half-bridge-output 1,2,3

 

3

 

OUT1

The output is built by a highside and a lowside switch, which are

 

 

internally connected. The output stage of both switches is a power

 

4

 

OUT2

 

 

DMOS transistor. Each driver has an internal parasitic reverse diode

 

5

 

OUT3

 

 

(bulk-drain-diode: highside driver from output to VS, lowside driver from

 

 

 

 

 

 

 

 

GND to output). This output is over-current and open load protected.

 

 

 

 

 

 

 

 

 

Power supply voltage (external reverse protection required)

 

6, 7, 14, 25,

 

For this input a ceramic capacitor as close as possible to GND is

 

VS

recommended.

 

28, 32

 

 

 

 

 

Important: for the capability of driving the full current at the outputs all

 

 

 

 

pins of VS must be externally connected.

 

 

 

 

 

 

 

 

 

Serial data input

 

8

 

DI

The input requires CMOS logic levels and receives serial data from the

 

 

microcontroller. The data is an 24bit control word and the least

 

 

 

 

 

 

 

 

significant bit (LSB, bit 0) is transferred first.

 

 

 

 

 

 

 

 

 

Current monitor output/PWM2 input

 

 

 

 

Depending on the selected multiplexer bits of Input Data Register this

 

9

 

CM/PWM2

output sources an image of the instant current through the

 

 

 

 

corresponding highside driver with a ratio of 1/10.000. This pin is

 

 

 

 

bidirectional. The microcontroller can overdrive the current monitor

 

 

 

 

signal to provide a second PWM input for the output OUT5.

 

 

 

 

 

 

 

 

 

Chip select not input / testmode

 

10

 

CSN

This input is low active and requires CMOS logic levels. The serial data

 

 

transfer between L9954 and micro controller is enabled by pulling the

 

 

 

 

 

 

 

 

input CSN to low level.

 

 

 

 

 

 

 

 

 

Serial data output

 

11

 

DO

The diagnosis data is available via the SPI and this tristate-output. The

 

 

output will remain in tristate, if the chip is not selected by the input CSN

 

 

 

 

 

 

 

 

(CSN = high)

 

 

 

 

 

 

 

 

 

Logic supply voltage

 

12

 

VCC

For this input a ceramic capacitor as close as possible to GND is

 

 

 

 

recommended.

 

 

 

 

 

 

 

 

 

Serial clock input

 

13

 

CLK

This input controls the internal shift register of the SPI and requires

 

 

 

 

CMOS logic levels.

 

 

 

 

 

 

 

 

 

Charge pump output

 

26

 

CP

This output is provided to drive the gate of an external n-channel power

 

 

 

 

MOS used for reverse polarity protection.

 

 

 

 

 

 

 

 

 

PWM1 input

 

27

 

PWM1

This input signal can be used to control the drivers OUT1-OUT4 and

 

 

 

 

OUT6 by an external PWM signal.

 

 

 

 

 

Doc ID 14279 Rev 3

7/37

Block diagram and pin description

L9954 / L9954XP

 

 

 

 

 

 

Table 2.

Pin definitions and functions (continued)

 

Pin

 

Symbol

Function

 

 

 

 

 

 

 

 

 

Highside-driver-output 4 and 5

 

 

 

 

Each output is built by a highside switch and is intended for resistive

 

31

 

OUT4,

loads, hence the internal reverse diode from GND to the output is

 

 

missing. For ESD reason a diode to GND is present but the energy

 

33

 

OUT5

which can be dissipated is limited. Each highside driver is a power

 

 

 

 

DMOS transistor with an internal parasitic reverse diode from each

 

 

 

 

output to VS (bulk-drain-diode). Each output is over-current and open

 

 

 

 

load protected.

 

 

 

 

 

15, 16, 17, 20,

 

 

 

21, 22, 23, 24,

NC

Not connected pins.

 

29, 30, 34

 

 

 

 

 

 

 

 

Figure 2. Configuration diagram (top view)

GND 1

OUT6 2

OUT1 3

OUT2 4

OUT3 5

Vs 6

Vs 7

DI 8

CM / PWM2 9 CSN 10 DO 11 Vcc 12 CLK 13

Vs 14

NC 15

NC 16

NC 17

GND 18

PowerSO-36

PowerSSO-36

36 GND

35 OUT6

34 NC

33 OUT5

32 Vs

31 OUT4

30 NC

29 NC

28 Vs

27 PWM1

26 CP

25 Vs

24 NC

23 NC

22 NC

21 NC

20 NC

19 GND

8/37

Doc ID 14279 Rev 3

L9954 / L9954XP

Electrical specifications

 

 

2 Electrical specifications

2.1Absolute maximum ratings

Stressing the device above the rating listed in the “Absolute maximum ratings” table 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 absolute maximum rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality document

Table 3.

Absolute maximum ratings

 

 

 

Symbol

Parameter

Value

Unit

 

 

 

 

 

 

VS

DC supply voltage

-0.3 to28

V

 

 

 

 

 

Single pulse tmax < 400ms

40

V

 

 

 

VCC

Stabilized supply voltage, logic supply

-0.3 to 5.5

V

VDI, VDO, VCLK,

Digital input / output voltage

-0.3 to VCC + 0.3

V

VCSN, Vpwm1

 

 

 

 

VCM

Current monitor output

-0.3 to VCC + 0.3

V

 

VCP

Charge pump output

-25 to VS + 11

V

IOUT1,2,3,4,5

Output current

±5

A

 

IOUT6

Output current

±10

A

2.2ESD protection

Table 4.

ESD protection

 

 

 

Parameter

Value

Unit

 

 

 

 

All pins

 

± 2 (1)

kV

Output pins: OUT1 - OUT6

± 8 (2)

kV

1.HBM according to MIL 883C, Method 3015.7 or EIA/JESD22-A114-A.

2.HBM with all unzapped pins grounded.

2.3Thermal data

Table 5.

Operating junction temperature

 

 

Symbol

Parameter

Value

Unit

 

 

 

 

Tj

Operating junction temperature

-40 to 150

°C

Doc ID 14279 Rev 3

9/37

Electrical specifications

 

 

L9954 / L9954XP

 

 

 

 

 

 

 

 

 

Table 6.

Temperature warning and thermal shutdown

 

 

 

 

 

Symbol

Parameter

 

Min.

Typ.

Max.

Unit

 

 

 

 

 

 

 

 

 

TjTW ON

Temperature warning threshold junction

Tj

130

 

150

°C

 

temperature

 

 

TjSD ON

Thermal shutdown threshold junction

Tj

 

 

170

°C

 

temperature

increasing

 

 

 

TjSD OFF

Thermal shutdown threshold junction

Tj

150

 

 

°C

 

temperature

decreasing

 

 

 

TjSD HYS

Thermal shutdown hysteresis

 

 

5

 

°K

2.4Electrical characteristics

VS = 8 to 16V, VCC = 4.5 to 5.3V, Tj = - 40 to 150°C, unless otherwise specified. The voltages are referred to GND and currents are assumed positive, when the current flows into the pin.

Table 7.

Supply

 

 

 

 

 

 

 

Symbol

Parameter

 

 

Test condition

Min.

Typ.

Max

Unit

 

 

 

 

 

 

 

 

 

VS

Operating supply voltage

 

 

 

7

 

28

V

range

 

 

 

 

 

 

VS = 16V, VCC = 5.3V

 

 

 

 

 

VS DC supply current

active mode

 

7

20

mA

 

 

OUT1 - OUT6 floating

 

 

 

 

 

 

 

 

 

 

 

IS

 

VS = 16V, VCC = 0V

 

 

 

 

 

standby mode

 

 

 

 

 

 

 

4

12

µA

 

VS quiescent supply current

OUT1 - OUT6 floating

 

 

 

 

 

 

 

 

Ttest = -40°C, 25°C

 

 

 

 

 

 

T

 

= 85°C (1)

 

6

25

µA

 

 

test

 

 

 

 

 

 

VCC DC supply current

VS = 16V, VCC = 5.3V

 

1

3

mA

 

CSN = VCC , active mode

 

 

 

 

 

 

 

ICC

 

V

= 16V, V = 5.3V

 

 

 

 

 

VCC quiescent supply

S

 

CC

 

 

 

 

 

CSN = VCC standby mode

 

25

50

µA

 

current

 

 

 

OUT1 - OUT6 floating

 

 

 

 

 

 

 

 

 

 

 

 

 

VS = 16V, VCC = 5.3V

 

 

 

 

 

Sum quiescent supply

CSN = VCC

 

 

 

 

IS + ICC

standby mode

 

50

100

µA

current

 

 

 

OUT1 - OUT6 floating

 

 

 

 

 

 

Ttest = 130°C

 

 

 

 

1. Guaranteed by design.

 

 

 

 

 

 

 

10/37

Doc ID 14279 Rev 3

L9954 / L9954XP

 

 

 

 

Electrical specifications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 8.

Overvoltage and undervoltage detection

 

 

 

 

 

 

 

 

 

 

 

Symbol

Parameter

 

Test condition

 

Min.

Typ.

Max

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSUV ON

VS UV-threshold voltage

 

VS increasing

 

 

5.7

 

 

7.2

 

 

V

 

VSUV OFF

VS UV-threshold voltage

 

VS decreasing

 

 

5.5

 

 

6.9

 

 

V

 

VSUV hyst

VS UV-hysteresis

 

VSUV ON - VSUV OFF

 

 

 

 

0.5

 

 

 

 

V

 

VSOV OFF

VS OV-threshold voltage

 

VS increasing

 

 

18

 

 

24.5

 

 

V

 

VSOV ON

VS OV-threshold voltage

 

VS decreasing

 

17.5

 

 

23.5

 

 

V

 

VSOV hyst

VS OV-hysteresis

 

VSOV OFF - VSOV ON

 

 

 

 

1

 

 

 

 

V

 

VPOR OFF

Power-On-reset threshold

 

VCC increasing

 

 

 

 

 

 

4.4

 

 

V

 

VPOR ON

Power-On-reset threshold

 

VCC decreasing

 

 

3.1

 

 

 

 

 

V

 

VPOR hyst

Power-On-reset hysteresis

 

VPOR OFF - VPOR ON

 

 

 

 

0.3

 

 

 

 

V

 

Table 9.

Current monitor output

 

 

 

 

 

 

 

 

 

 

 

Symbol

Parameter

 

Test condition

Min.

 

Typ.

Max.

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCM

Functional voltage range

VCC = 5V

0

 

 

 

 

4

 

 

V

 

 

Current monitor output

 

 

 

 

 

1

 

 

 

 

 

 

 

ratio:

0V ≤ VCM ≤ 4V, VCC=5V

 

 

 

 

 

 

 

 

 

ICM,r

 

 

 

-----------------

 

 

 

 

-

 

ICM / IOUT1,4,5,6

 

 

 

10.000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 V ≤ VCM ≤ 3.8V,

 

 

 

 

 

 

 

 

 

 

 

ICM acc

Current monitor accuracy

VCC = 5V, IOut,min=500mA,

 

 

 

4% +

8% +

 

 

-

 

IOut max = 6A

 

 

 

1%FS

2%FS

 

 

 

 

 

 

 

 

 

 

 

 

(FS = full scale= 600μA)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 10.

Charge pump output

 

 

 

 

 

 

 

 

 

 

 

 

 

Symbol

Parameter

 

Test condition

Min.

 

Typ.

Max.

 

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Charge pump output

 

VS = 8V, ICP = -60μA

VS+6

 

 

 

VS+13

 

 

V

 

VCP

 

VS = 10V, ICP = -80μA

VS+8

 

 

 

VS+13

 

 

V

 

voltage

 

 

 

 

 

 

 

 

 

VS ≥ 12V, ICP = -100μA

VS+10

 

 

VS+13

 

 

V

 

ICP

Charge pump output

VCP = VS+10V, VS =13.5V

95

 

150

300

 

 

µA

 

current

 

 

 

Doc ID 14279 Rev 3

11/37

Electrical specifications

 

 

L9954 / L9954XP

 

 

 

 

 

 

 

 

 

Table 11.

OUT1 - OUT6

 

 

 

 

 

 

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

 

 

 

 

 

 

 

 

 

rON OUT1,

 

VS = 13.5 V, Tj = 25 °C,

 

800

1100

 

On-resistance to supply

IOUT1,2,3 = ± 0.8A

 

 

 

 

 

 

 

rON OUT2

or GND

 

 

 

 

 

 

VS = 13.5 V, Tj = 125 °C,

 

 

 

 

 

rON OUT3

 

 

1250

1700

 

 

IOUT1,2,3 = ± 0.8 A

 

 

 

 

 

 

 

 

 

 

 

VS = 13.5 V, Tj = 25 °C,

 

500

700

 

rON OUT4,

 

IOUT4,5 = −0.8 A

 

 

On-resistance to supply

 

 

 

 

 

VS = 13.5 V, Tj = 125 °C,

 

 

 

 

 

rON OUT5

 

 

700

950

 

 

 

IOUT4,5 = −0.8 A

 

 

 

 

 

 

 

 

 

 

 

VS = 13.5 V, Tj = 25 °C,

 

100

150

 

 

 

IOUT6 = − 3 A

 

 

rON OUT6

On-resistance to supply

 

 

 

 

 

VS = 13.5 V, Tj = 125 °C,

 

150

200

 

 

 

 

 

 

 

IOUT6 = −3 A

 

 

 

 

 

 

 

 

 

IOUT1

Output current limitation

 

 

 

 

 

 

IOUT2

Source, VS=13.5 V

-3.0

 

-1.5

A

 

to GND

 

 

IOUT3

 

 

 

 

 

 

 

IOUT1

Output current limitation

 

 

 

 

 

 

IOUT2

Sink, VS=13.5 V

1.5

 

3.0

A

 

to supply

 

 

IOUT3

 

 

 

 

 

 

 

IOUT4

Output current limitation

Source, VS=13.5 V

-3.0

 

-1.5

A

 

IOUT5

to GND

 

 

 

 

 

 

 

 

IOUT6

Output current limitation

Source, VS=13.5 V

-10.5

 

-6

A

 

to GND

 

 

td ON H

Output delay time,

VS=13.5 V,

20

40

80

µs

 

corresponding lowside

 

highside driver On

 

 

driver is not active

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

td OFF H

Output delay time,

VS=13.5 V

50

150

300

µs

 

highside driver Off

 

td ON L

Output delay time,

VS=13.5 V,

15

30

70

µs

 

corresponding highside

 

lowside driver On

 

 

driver is not active

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

td OFF L

Output delay time,

VS=13.5 V

80

150

300

µs

 

lowside driver Off

 

td HL

Cross current protection

(1)

 

200

400

µs

 

time, source to sink

tCC ONLS_OFFHS - td OFF H

 

 

td LH

Cross current protection

(1)

 

200

400

µs

 

time, sink to source

tCC ONHS_OFFLS - td OFF L

 

 

 

Switched-off output

VOUT1-6= 0V, standby

0

-2

-5

µA

 

IQLH

current highside drivers of

mode

 

 

 

 

 

 

OUT1-6

VOUT1-6= 0V, active mode

-40

-15

0

µA

 

 

 

12/37

Doc ID 14279 Rev 3

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