L9680 datasheet(1/286 Pages) STMICROELECTRONICS

部件名	L9680

功能描述	Automotive advanced airbag for mid/high end applications and cut-off battery IC

PDF	286 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 286 page

This is information on a product in full production.

August 2025

DS11615 Rev 7

1/286

L9680

Automotive advanced airbag for mid/high end applications

and cut-off battery IC

Datasheet

- production data

Features



AEC-Q100 qualified



Boost regulator for energy reserve

– 1.882 MHz operation, Iload = 70 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/pyroswitch deployment drivers

– 12-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



Four-channel remote sensor interface

– PSI-5 satellite sensors

– Active wheel speed 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 pins

Applications



Mid/High end airbag systems



Cut-off battery systems



Pyro Fuse/Pyroswitch management

TQFP100 exposed pad down

(14x14x1.0mm)

www.st.com

GAPGPS02184

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制造商	部件名	数据表	功能描述
STMicroelectronics	L9680	2Mb / 277P	Automotive advanced airbag IC for mid/high end applications 03-May-2016

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