STLC1 Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

STLC1

LED LAMPS CLUSTER DRIVER

STMicroelectronics 

STLC1

LED LAMPS CLUSTER DRIVER

s FULLY MONOLITHIC FIXED FREQUENCY

SMPS

s THREE LOW SIDE DRIVERS FOR STOP

TAIL AND TURN LED LAMPS ARRAYS

DRIVING

s PROGRAMMABLE LOW SIDE DRIVER

OVER CURRENT LIMIT PROTECTION

s UNDER CURRENT DIAGNOSTIC

s INPUT OVERVOLTAGE PROTECTION

s VERY LOW STAND-BY CURRENT

s THERMAL PROTECTION WITH

HYSTERESIS

DESCRIPTION

The STLC1, a device realized with the well

established BCD technology, is a fixed frequency

fully monolithic SMPS, with three independent

smart low side driver, primarily intended for

automotive rear led lamps driving.

PowerSO-20TM

The output voltage is set using a simple resistor

divider. Thermal shutdown with hysteresis, input

over-voltage and overcurrent protections give

robust design solutions.

SCHEMATIC DIAGRAM

September 2002

OSCILLATOR

TURN

I

N

STOP

P

U

TAIL

T

CNTL

TS -PWM

PULSE WIDTH

CONTROLLER

GND

OSC

LMP -OUT

LAMP

OUTAGE

DETECT

B+

THERMAL

PROTECTION

PWM

SWITCH

CONTOLLER

-

COMP1

Rs

+

P-OUT

PWM

COMP

-

ERR AMP

+

1.24V

FDBK

REF

REF

TR -DRV

M1

M2

M3

ST -DRV

TL -DRV

TL -L ST -L TR -L

1/16

Share Link: