L9524C-TR 데이터 시트보기 (PDF) - STMicroelectronics

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L9524C-TR

Glow plug system control IC

STMicroelectronics 

L9524C

1

Block diagram

Figure 1. Block diagram

VS

GND

Thermal

shutdown

Diagnostic

DO

output

CI

Control

input

Reference

oscillator

Voltage

BAT

controlled

oscillator

Supply

voltage

monitor

Charge

pump

Diagnostic

logic

Control

logic

MS

CUR

OCT

Program

Charge/discharge current

Overcurrent threshold

Block diagram

CP

Gate

G1

driver

SP1

Failure

SN1

monitor

Channel 1

Gate

G2

driver

SP2

SN2

Failure

monitor

SN5

Channel 2

Channel 3

G3

SP3

(same as channel 1)

SN3

G4

Channel 4

SP4

(same as channel 2)

SN4

SN6

Mode input / relay output

IO

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