L9678P L9678P-S
Automotive user configurable airbag and battery cut-off IC
GAPGPS00313
LQFP64 (10x10x1.4mm)
Features
...
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 sy...