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L9678P

STMicroelectronics
Part Number L9678P
Manufacturer STMicroelectronics
Description Automotive user configurable airbag and battery cut-off-IC
Published Mar 6, 2023
Detailed Description L9678P L9678P-S Automotive user configurable airbag and battery cut-off IC GAPGPS00313 LQFP64 (10x10x1.4mm) Features  ...
Datasheet PDF File L9678P PDF File

L9678P
L9678P


Overview
L9678P L9678P-S Automotive user configurable airbag and battery cut-off IC GAPGPS00313 LQFP64 (10x10x1.
4mm) Features  AEC-Q100 qualified  Energy reserve voltage power supply – High frequency boost regulator, 1.
882 MHz – Output voltage user selectable, 23 V or 33 V ±5%  User configurable linear power supplies – 5.
0 V and 7.
2 V ±4% output voltages – External pass transistor  Fully integrated 3.
3 V ±4% linear regulator  Battery voltage monitor and shutdown control with wake-up control  System voltage diagnostics with integrated ADC  Crossover switch – Crossover performance, max 3 Ω, 600 mA max.
 Squib/pyroswitch 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 – Current monitoring – Rmeasure, STB, STG and leakage diagnostics Datasheet - production data – High and low side driver FET tests – Safing FET test  User customizable safing logic  Two channel PSI-5 remote sensor interface (asynchronous mode), [only for L9678P-S version]  Four channel hall-effect, resistive or switch sensor interface  ISO9141 transceiver  Dual channel configurable high-side/low-side LED driver  Watchdog timer  Two integrated oscillators: 7.
5/16 MHz  Temperature sensor  32 bit SPI communications  Minimum operating voltage = 6 V  Operating temperature, -40 °C to 95 °C  Packaging - 64 pin Applications  Low end airbag systems  Cut-off battery systems  Pyro Fuse/Pyroswitch management April 2022 This is information on a product in full production.
DS11626 Rev 6 1/211 www.
st.
com Contents Contents L9678P, L9678P-S 1 Description .
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12 2 Absolute and operative maximum ratings .
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13 2.
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13 2.
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