L9658 datasheet(9/64 Pages) STMICROELECTRONICS

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L9658

Pin description

Doc ID 14219 Rev 3

9/64

2.1

Thermal data

No Connect

TEST

Test pin

Input

Pull-down

V8BUCK

Supply voltage for satellite interface and resistance

measurement

Input

No Connect

ICH4

Current sense output for channel 4

Output

Hi-Z

ICH3

Current sense output for channel 3

Output

Hi-Z

ICH2

Current sense output for channel 2

Output

Hi-Z

ICH1

Current sense output for channel 1

Output

Hi-Z

No connect

IREF

External current reference resistor

Output

AOUT_GND Ground reference for AOUT

AOUT

Analog output for loop diagnostics

Output

Hi-Z

No Connect

GND3

Power ground for loop channel 3

SQL3

Low side driver output for channel 3

Output

Pull-down

SQH3

High side driver output for channel 3

Output

Hi-Z

VRES3

Reserve voltage for loop channel 3

Input

VRES2

Reserve voltage for loop channel 2

Input

SQH2

High side driver output for channel 2

Output

Hi-Z

SQL2

Low side driver output for channel 2

Output

Pull-down

GND2

Power ground for loop channel 2

GND1

Power ground for loop channel 1

SQL1

Low side driver output for channel 1

Output

Pull-down

SQH1

High Side Driver Output for Channel 1

Output

Hi-Z

VRES1

Reserve voltage for loop channel 1

Input

VRES0

Reserve voltage for loop channel 0

Input

SQH0

High side driver output for channel 0

Output

Hi-Z

SQL0

Low side driver output for channel 0

Output

Pull-down

GND0

Power ground for loop channel 0

Table 2.

Pin function (continued)

Pin #

Pin name

Description

I/O type

Reset state

Table 3.

Thermal Data

Symbol

Parameter

Value.

Unit

Rth j-amb

Thermal resistance junction-to-ambient

°C/W

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