L9678PTR-S vs L9679P Comparison

Detailed side-by-side comparison of L9678PTR-S by STMicroelectronics and L9679P 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-S L9679P
Brand STMicroelectronics STMicroelectronics
Category Power MOSFET Drivers Specialized PMIC
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $3.50 $6.18
Product Type Automotive System Basis Chip (SBC) for airbag —
Operating Voltage Min 6.0 V —
Operating Voltage Max 18.0 V —
Load-Dump Tolerant Up to 40 V —
Battery Cut-Off Switch Integrated solid-state —
PSI5 Interface 2 channels, supports up to 10 satellites —
High-Side Deployable Outputs 2 channels —
Low-Side Deployable Outputs 4 channels —
Host Interface SPI (16-bit), up to 8 MHz —
On-chip MCU Dual ARM Cortex-M0 lockstep —
Operating Temperature Range -40 C to +95 C —
Package 64-pin LQFP, 10x10 mm 100-TQFP (14x14 mm)
Mounting Type Surface Mount Surface Mount
AEC-Q100 Qualification Yes —
Functional Safety ISO 26262 ASIL-D capable —
RoHS Status Compliant Compliant
Function — Automotive advanced airbag IC for mid/high-end applications
Pin Count — 100
Pitch — 0.5 mm
Supply Voltage — 5 V to 18 V nominal; up to 40 V transient
Battery Voltage Range — 6 V to 18 V (extended 4 V to 40 V for cold-crank and load-dump)
Squib Driver Channels — 4 high-side / low-side channels
Communication Interface — SPI (4-wire, configurable)
Sensor Interface — Up to 4 analog sensor channels
Watchdog — Internal window watchdog
Diagnostic Features — Squib resistance measurement, short-to-battery / short-to-ground detection, open-load detection
Operating Temperature — -40 C to +125 C (AEC-Q100)
Automotive Qualification — AEC-Q100 qualified
Process Technology — BCD (Bipolar-CMOS-DMOS)
MSL Level — 3 (168 hours)

Datasheets & Resources

Browse All Products Create BOM Request Quote