L9678TR vs L9678PTR Comparison

Detailed side-by-side comparison of L9678TR by STMicroelectronics and L9678PTR 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 L9678TR L9678PTR
Brand STMicroelectronics STMicroelectronics
Category Voltage Regulators Power MOSFET Drivers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $3.51 $5.19
Product Type System Basis Chip (SBC) for Airbag Applications Automotive Airbag System Basis IC (SBI)
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 —
Package LQFP-64 (10x10 mm) 64-LQFP (10x10 mm)
Mounting Type Surface Mount Surface Mount
MSL Level [DATA_NEEDED: moisture sensitivity level] 3 (168 hours)
RoHS Status Compliant Compliant
AEC-Q100 Qualification Qualified —
Functional Safety ASIL-B capable —
Process Technology BCD (Bipolar-CMOS-DMOS) —
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

Datasheets & Resources

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