L9679P vs L9779WDAT2 对比
详细并排对比 L9679P 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 | L9679P | L9779WDAT2 |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Specialized PMIC | 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） | $6.18 | $7.95 |
| 功能 | Automotive advanced airbag IC for mid/high-end applications | Engine management system-basis chip with integrated drivers |
| 封装 | 100-TQFP (14x14 mm) | 64-pin HiQUAD (HQFP-64) power package with exposed pad |
| 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) | SPI (Serial Peripheral Interface) |
| Sensor Interface | Up to 4 analog sensor channels | — |
| Watchdog | Internal window watchdog | Integrated SPI-configurable watchdog timer |
| 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) | BCD6S (ST proprietary mixed-signal) |
| RoHS 状态 | Compliant | Compliant |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] |
| Product Type | — | Multifunction Automotive Power Management IC (PMIC) |
| Supply Voltage Range | — | 2.9 V to 5.5 V (main logic supply) |
| Output Channels | — | Configurable power stages + OUT21-OUT28 stepper/driver stages |
| Integrated Regulators | — | 5V and 3.3V linear regulators (typ.) |
| Driver Type | — | High-side / low-side configurable predrivers for external N-MOSFETs |
| 工作温度范围 | — | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) |
| AEC-Q100 Qualification | — | Qualified (automotive grade) |
| Lead-Free | — | Yes |