L9678PTR vs L9779WDAT2 对比
详细并排对比 L9678PTR 出自 STMicroelectronics 和 L9779WDAT2 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。
STMicroelectronics
L9779WDAT2 - Multifunction Engine Management PMIC | STMicroelectronics
L9779WDAT2 ✓ 量产中规格对比
| 参数 | L9678PTR | L9779WDAT2 |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Power MOSFET Drivers | Power Management |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $5.19 | $7.95 |
| Product Type | Automotive Airbag System Basis IC (SBI) | Multifunction Automotive Power Management IC (PMIC) |
| 封装 | 64-LQFP (10x10 mm) | 64-pin HiQUAD (HQFP-64) power package with exposed pad |
| 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 | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) |
| 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 | — |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] |
| RoHS 状态 | Compliant | Compliant |
| 功能 | — | Engine management system-basis chip with integrated drivers |
| Supply Voltage Range | — | 2.9 V to 5.5 V (main logic supply) |
| Communication Interface | — | SPI (Serial Peripheral Interface) |
| Process Technology | — | BCD6S (ST proprietary mixed-signal) |
| Output Channels | — | Configurable power stages + OUT21-OUT28 stepper/driver stages |
| Integrated Regulators | — | 5V and 3.3V linear regulators (typ.) |
| Watchdog | — | Integrated SPI-configurable watchdog timer |
| Driver Type | — | High-side / low-side configurable predrivers for external N-MOSFETs |
| AEC-Q100 Qualification | — | Qualified (automotive grade) |
| Lead-Free | — | Yes |