L9362(2013) 데이터 시트보기 (PDF) - STMicroelectronics

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L9362
(Rev.:2013)

QUAD LOW SIDE DRIVER

STMicroelectronics 

L9362

QUAD LOW SIDE DRIVER

■ QUAD LOW-SIDE DRIVER FOR AUTOMO-

TIVE APPLICATION

■ CURRENT FEEDBACK OUTPUT FOR EACH

POWER STAGE

■ 5V SUPPLY VOLTAGE

■ INTERNAL FAILURE DIAGNOSTIC

■ OUTPUT VOLTAGE SLOPE CONTROL FOR

LOW ELECTRO MAGNETIC EMISSIONS

■ INTERNAL SHORT CIRCUIT PROTECTION

■ OVERTEMPERATURE PROTECTION AND

OVERCURRENT PROTECTION AND DISABLE

■ SWITCHING FREQUENCY UP TO 2kHZ

■ INTERNAL ZENER CLAMP OF THE OUTPUT

VOLTAGE FOR INDUCTIVE LOADS

■ PARALLEL INPUT

■ SPI FOR DIAGNOSTIC INFORMATION EX-

CHANGE

■ RESET INPUT

BLOCK DIAGRAM

VCC

PowerSO36

ORDERING NUMBER: L9362

■ TYPICAL INTERNAL OSCILLATOR FRE-

QUENCY 325kHZ

DESCRIPTION

The Quad Driver is an integrated quad low-side

power switch with power limitation, load interrupt

and shorted load detection, thermal shutdown, er-

ror detection via SPI interface and integrated Z-di-

odes for output clamping, free running diodes.

VCC

VCC

ROL

NON1

NON2

=

Reset

Trigger

S

R

NON3

NON4

Reset

VCC

FR IRES

RESET

=

Driver

=

NON1

I_SCB Filter

t_SCB

NON1

dV/dt

Control

Overtemp.

=

=

I_OL Filter

t_OL

SDI

VCC

Failure

NON1

=

Register

(FR)

=

SCG Filter

CLK

VCC

Shift

Register

t_SCG

=

Reset ≥1

=

NSC

VCC

OSC

IRES

SDO

Under

voltage

RESET

RESET

= Oscillator

OUT1

OUT2

OUT3

OUT4

PGND1

PGND2

PGND3

PGND4

CFB1

CFB2

CFB3

CFB4

September 2013

99AT0007

LGND

SGND

NRES

1/17

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