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L9679P датащи(PDF) 25 Page - STMicroelectronics

номер детали L9679P
подробное описание детали  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  279 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P датащи(HTML) 25 Page - STMicroelectronics

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DS11627 Rev 7
25/279
L9679P
Overview and block diagram
278
5.3
Remote sensor interfaces
Two channel receiver
–
standard PSI-5 v1.3 compatible with sync pulse
Current limit with short circuit protection diagnostics
PSI-5 satellite sensor mode
–
Auto-adjusting current trip points for each satellite channel
–
Even parity, 8 or 10 bit messages, 125k or 189kbps
–
Satellite message error detection
5.4
DC sensor interfaces
Nine integrated switch interfaces with current sense capability
Compatible with Hall-effect, resistive and switch sensors
Current limit protected
System dedicated path to disable the passenger airbag with input from DC sensor
interface
5.5
General purpose outputs
Three configurable high-side or low-side drivers
ON-OFF mode and PWM 0-100% fine control
Diagnostics for short circuit protection and open load detection
Current limit and reverse battery protected
5.6
Arming logic
User configurable safing algorithms with 12 safing records
Four digital sensor interfaces through SPI
Independent user programmable thresholds
Independent user programmable latch timers
Two discrete and independent arming logic outputs
Two discrete and independent internal arming signals
End-of-life interface



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