L9679P集成电路（IC）的专用规格书PDF中文资料

L9679P属于集成电路（IC）的专用。由意法半导体集团制造生产的L9679P专用该系列产品可提供所需的功能，用以将信息源/信宿连到各种复杂或范围狭窄应用中的传感器、变送器、致动器、传输介质或其他此类端点。例如，汽车安全气囊驱动器、车身控制和信息娱乐总线、自适应电缆均衡器、智能卡等等。

特性 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/pyroswitch 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

Applications

 Mid/High end airbag systems

 Cut-off battery systems

 Pyro Fuse/Pyroswitch management