Datasheet > L9690

L9690

更新时间： 2024-11-26 14:57:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
24页	1394K
描述
用于高级气囊应用的汽车级12通道芯片

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L9690 数据手册

L9690

Data brief

Automotive 12 channels chip for advanced airbag applications

Features

•

AEC-Q100 qualified

Single chip and master/slave configurations

Boost regulator for energy reserve

–

2 MHz operation

Output voltage 24 V/33 V ±6%, user-selectable, peak inductor current

regulation

TQFP128 exposed pad down

(14x14x1.0 mm)

–

Capacitor value and ESR diagnostics

•

Boost regulator for low voltage system operation

–

2 MHz operation

Output voltage, 10 V ±8%, 870 mA max

Buck regulator for remote sensor

Product status link

–

2 MHz operation

Output voltage, 6.5 V/8 V ±4%, 700 mA max

L9690

Buck regulator for micro controller unit

–

2 MHz operation

Product summary

Order

Output voltage, 3.3 V ±3%, 450 mA max

•

Remote sensor interface and SYNC pulse supply voltage inputs and monitorings

Linear regulator with external power PNP transistor, 5 V ±5%, 135 mA max

Package

Packing

code

TQFP128EP

Tape and

reel

Integrated energy reserve crossover switch with switch active output indicator,

configured as input for slave mode operation

L9690 -TR

14x14x1.0 mm

•

Battery voltage monitor and shutdown with wake-up control

System voltage diagnostics with integrated ADCs

Squib/LEA deployment drivers

–

12 channel HSD/LSD for squib load

2 over 12 channels supporting LEA load

2 channel couples supporting common-return connection

18 V deployment voltage

Low, high and automatic dynamic deployment current profiles

R measure, STB, STG and leakage diagnostics

High and low side driver FET tests

LEA presence diagnostics

•

Two isolated high side safing FET regulators and diagnostics

Six channel PSI-5 v2.3 remote sensor interface

Three channel general purpose low side drivers with 0-100% PWM control

Nine channel hall-effect, resistive or switch sensor interface

User-programmable safing logic and rolling average algorithm

E2E arming procedure through Global SPI

Temporal watchdog timer

End-of-life disposal interface

Temperature sensor

32 bit Global SPI bus interface

32 bit Remote Sensor SPI bus interface, SafeSPI v1.0 compatible

DB4806 - Rev 2 - September 2022

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5 6 7...24

中文翻译

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