L9678PTR vs L9678TR Comparison

Detailed side-by-side comparison of L9678PTR by STMicroelectronics and L9678TR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Specification Comparison

Parameter L9678PTR L9678TR
Brand STMicroelectronics STMicroelectronics
Category Power MOSFET Drivers Voltage Regulators
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $5.19 $3.51
Product Type Automotive Airbag System Basis IC (SBI) System Basis Chip (SBC) for Airbag Applications
Package 64-LQFP (10x10 mm) LQFP-64 (10x10 mm)
Operating Voltage (VBAT) 6 V to 18 V (load-dump tolerant up to 40 V) —
Operating Temperature Range -40 C to +95 C —
Integrated Linear Regulator 1 5 V with external pass transistor —
Integrated Linear Regulator 2 3.3 V fully integrated —
Optional Regulator 7.2 V via external pass transistor (for PSI5 sensor supply) —
Satellite Sensor Interface Channels 4 channels (analog / PSI5 selectable) —
PSI5 Support Yes (Manchester-coded remote sensor interface) —
Battery Cut-off Switch Yes (high-side) —
Energy Reserve Management Yes (external reservoir capacitor) —
VDDQ Supply Pins 2 (5 V and 3.3 V I/O compatible) —
SPI Control Interface Yes (MCU communication, watchdog-linked) —
Automotive Grade AEC-Q100 capable —
Mounting Type Surface Mount Surface Mount
MSL Level 3 (168 hours) [DATA_NEEDED: moisture sensitivity level]
RoHS Status Compliant Compliant
Operating Input Voltage — 6 V to 35 V
LDO Output Voltage — 5 V / 3.3 V selectable
LDO Output Current — [DATA_NEEDED: LDO output current rating]
Watchdog Type — Windowed watchdog, programmable timeout
SPI Interface Speed — Up to 5 MHz
Squib Driver Channels — Dual high-side/low-side drivers with diagnostic
Operating Temperature — -40 C to +95 C ambient
AEC-Q100 Qualification — Qualified
Functional Safety — ASIL-B capable
Process Technology — BCD (Bipolar-CMOS-DMOS)

Datasheets & Resources

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