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L9826_05

Octal Low-Side Driver for Resistive and Inductive Loads with Serial/Parallel Input Control, Output Protection and Diagnostic

STMicroelectronics 

L9826

1 Block Diagram

1 Block Diagram

Figure 1. Block diagram

VCC

NON1

NON2

NCS

CLK

SDI

SDO

NRES

VCC

Q1

Diag1

13

2

S Latch / Driver

R

Fault Latch

Overtemperature Detection

VCC

Q2

Diag2

IOL

+

-

VDG

CH1

CH2

VCC

VCC

VCC

Q1

Q2

Q3

Q3

Q4

Q5

Q6

Q7

Q8

Diag1 Diag3

Diag2

Diag3

Diag4 Q4

Diag5 Diag4

Diag6

Diag7

Diag8 Q5

Diag5

GND

Q6

Diag6

Reset

VCC

Undervoltage

RESET

Reset Q7

Diag7

Q8

Diag8

S

Latch / Driver

R

IOL

+

- VDG CH3

CH4

CH5

CH6

CH7

CH8

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

OUT8

GND

CD00002120

3/17

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