L9177ATR datasheet(1/55 Pages) STMICROELECTRONICS

Part #	L9177ATR

Description	Automotive engine management control IC for small engines

PDF	55 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 55 page

TQFP64 exposed pad down

GADG1606171506PS

Features

•

AEC-Q100 qualified

•

Supply voltage from 6 V to 18 V

–

Basic functionality guaranteed down to 3.9 V

•

5 V regulator up to 300 mA with thermal shutdown protection in current limitation

condition

•

5 V tracking regulator up to 40 mA and short to battery protection

•

5 V standby regulator up to 2.5 mA

•

2 channels injectors drivers

–

Parallel and serial driving

–

Output internally clamped to 60 V

–

Minimum overcurrent at 2.8 A

–

Ron 0.6 Ω worst case (at Tj = 150 °C)

•

3 relay drivers

–

2 with parallel and serial driving, 1 with serial driving

–

Output internally clamped to 45 V

–

Minimum guaranteed output current 1 A

–

Ron 1.5 Ω worst case (at Tj = 150 °C)

•

Tachometer driver

–

Parallel and serial driving

–

Minimum guaranteed output current 25 mA

–

Ron 5 Ω worst case (at Tj = 150 °C)

•

Current limited low side driver (LSD)

–

Serial driving

–

Output internally clamped to 45 V

–

Minimum guaranteed output current 1 A (2 A during in-rush)

–

Ron 1.5 Ω worst case (at Tj = 150 °C)

•

Stepper motor driver

–

Parallel driving

–

Minimum guaranteed output current 500 mA - full step

–

Ron 2.6 Ω worst case on the diagonal (at Tj = 150 °C)

•

O2 sensor heater

–

Parallel and serial driving

–

Output internally clamped to 45 V

–

Minimum guaranteed output current 3 A

–

Ron 0.5 Ω worst case (at Tj = 150 °C)

•

Protected high side driver

–

100 mA min. current limitation threshold

Product status link

L9177A

Product summary

Order code

Package

Packing

L9177ATR

TQFP64

(10x10 mm),

exposed pad

down

(7.5x7.5 mm)

Tape and

reel

Automotive engine management control IC for small engines

L9177A

Datasheet

DS12175 - Rev 5 - November 2020

For further information contact your local STMicroelectronics sales office.

www.st.com

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