L9679P datasheet(1/272 Pages) STMICROELECTRONICS

部件名	L9679P

功能描述	Automotive advanced airbag IC for mid/high end applications

PDF	272 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 272 page

This is information on a product in full production.

May 2016

DocID029275 Rev 1

1/272

L9679P

Automotive advanced airbag IC for mid/high end applications

Datasheet

- production data

Features

 AEC-Q100 qualified

 Boost regulator for energy reserve

– 1.882 MHz operation, Iload = 55 mA max

– Output voltage user selectable, 23 V/ 33 V

±5%

– Capacitor value & ESR diagnostics

 Boost regulator for PSI-5 SYNC pulse

– 1.882 MHz operation,

– Output voltage, 12 V/14.75 V, user

configurable

 Buck regulator for remote sensor

– 1.882 MHz operation

– Output voltage, 7.2 V/9 V ±4%, user

configurable

 Buck regulator for micro controller unit

– 1.882 MHz operation

– Output voltage user selectable, 3.3 V or

5.0 V ±3%

 Integrated energy reserve crossover switch

–3 Ω - 912 mA max

– Switch active output indicator

 Battery voltage monitor & shutdown control

with Wake-up control

 System voltage diagnostics with integrated

ADC

 Squib deployment drivers

– 8 channel HSD/LSD

–25 V max deployment voltage

– Various deployment profiles

– Current monitoring

–Rmeasure, STB, STG & Leakage

diagnostics

– High & low side driver FET tests

 High side safing switch regulator and enable

control

 Two channel remote sensor interface

– PSI-5 satellite sensors

 Three channel GPO, HSD or LSD configurable,

with PWM 0-100% control

 Nine channel hall-effect, resistive or switch

sensor interface

 User customizable safing logic

 Specific disarm signal for passenger airbag

 Temporal and algorithmic Watchdog timers

 End of life disposal interface

 Temperature sensor

 32 bit SPI communications

 5.5 V minimum operating voltage at device

battery pin

 Operating temperature, -40 to 95 °C

 Packaging - 100 pin

TQFP100 exposed pad down

(14x14x1.0mm)

Table 1. Device summary

Order code

Package

Pacing

L9679P

TQFP100

Tray

L9679PTR

Tape & Reel

www.st.com

类似零件编号 - L9679P

制造商	部件名	数据表	功能描述
STMicroelectronics	L9679P	3Mb / 279P	Automotive advanced airbag for mid/high end applications and cut-off battery IC 23-Aug-2025
	L9679PTR	3Mb / 279P	Automotive advanced airbag for mid/high end applications and cut-off battery IC 23-Aug-2025
	L9679P	3Mb / 279P	Automotive advanced airbag for mid/high end applications and cut-off battery IC 23-Aug-2025

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