L9678PTR vs L9679P Comparison
Detailed side-by-side comparison of L9678PTR 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.
STMicroelectronics
L9678PTR - Automotive Airbag System Basis IC | STMicroelectronics
L9678PTR ✓ Active
Specification Comparison
| Parameter | L9678PTR | L9679P |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power MOSFET Drivers | Specialized PMIC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.19 | $6.18 |
| Product Type | Automotive Airbag System Basis IC (SBI) | — |
| Package | 64-LQFP (10x10 mm) | 100-TQFP (14x14 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) | 3 (168 hours) |
| 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) |