L9679P vs L9678PTR 对比
详细并排对比 L9679P 出自 STMicroelectronics 和 L9678PTR 出自 STMicroelectronics。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | L9679P | L9678PTR |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Specialized PMIC | Power MOSFET Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $6.18 | $5.19 |
| 功能 | Automotive advanced airbag IC for mid/high-end applications | — |
| 封装 | 100-TQFP (14x14 mm) | 64-LQFP (10x10 mm) |
| 引脚数量 | 100 | — |
| Pitch | 0.5 mm | — |
| 电源电压 | 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 | — |
| 工作温度 | -40 C to +125 C (AEC-Q100) | — |
| Automotive Qualification | AEC-Q100 qualified | — |
| Process Technology | BCD (Bipolar-CMOS-DMOS) | — |
| RoHS 状态 | Compliant | Compliant |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | 3 (168 hours) |
| Product Type | — | Automotive Airbag System Basis IC (SBI) |
| Operating Voltage (VBAT) | — | 6 V to 18 V (load-dump tolerant up to 40 V) |
| 工作温度范围 | — | -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 |