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
– 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