Datasheet > L9678PTR

L9678PTR

更新时间： 2024-11-26 01:09:19

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
203页	2920K
描述
Automotive user configurable airbag IC

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中文翻译

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数据手册

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L9678PTR 数据手册

L9678P

L9678P-S

Automotive user configurable airbag IC

Datasheet - production data

 Squib deployment drivers

– 4 channel HSD/LSD

– 25 V maximum deployment voltage

– 1.2 A @ 2 ms and 1.75 A @ 0.5/0.7 ms

deployment profiles

– Integrated safing FET linear regulator,

20 V/25 V nominal

'!0'03ꢀꢀꢁꢂꢁ

– Current monitoring

LQFP64 (10x10x1.4mm)

– Rmeasure, STB, STG and leakage

diagnostics

– High and low side driver FET tests

– Safing FET test

Features

 User customizable safing logic

 AEC-Q100 qualified

 Two channel PSI-5 remote sensor interface

 Energy reserve voltage power supply

(asynchronous mode), [only for L9678P-S

version]

– High frequency boost regulator, 1.882 MHz

– Output voltage user selectable, 23 V or

33 V ±5%

 Four channel hall-effect, resistive or switch

sensor interface

 User configurable linear power supplies

– 5.0 V and 7.2 V ±4% output voltages

– External pass transistor

 ISO9141 transceiver

 Dual channel configurable high-side/low-side

LED driver

 Fully integrated 3.3 V ±4% linear regulator

 Watchdog timer

 Battery voltage monitor and shutdown control

 Two integrated oscillators: 7.5/16 MHz

 Temperature sensor

with wake-up control

 System voltage diagnostics with integrated

ADC

 32 bit SPI communications

 Minimum operating voltage = 6 V

 Operating temperature, -40 °C to 95 °C

 Packaging - 64 pin

 Crossover switch

– Crossover performance, max 3 Ω, 600 mA

max.

Table 1. Device summary

Order code

Package

Packing

Remote sensor interface

L9678P

L9678PTR

L9678P-S

Tray

LQFP64 (10 x 10 x 1.4 mm)

Tape & Reel

Tray

Yes

LQFP64 (10 x 10 x 1.4 mm)

L9678PTR-S

Tape & Reel

October 2016

DocID029274 Rev 3

1/203

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...203

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