L9779WDAT2 vs L9779WD-SPI-TR 对比
详细并排对比 L9779WDAT2 出自 STMicroelectronics 和 L9779WD-SPI-TR 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STMicroelectronics
L9779WD-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-TR ✓ 量产中规格对比
| 参数 | L9779WDAT2 | L9779WD-SPI-TR |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Power Management | Voltage Regulators |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.95 | $14.50 |
| Product Type | Multifunction Automotive Power Management IC (PMIC) | Multifunction Engine Management PMIC |
| 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) | SPI (daisy-chain capable) |
| Process Technology | BCD6S (ST proprietary mixed-signal) | — |
| 封装 | 64-pin HiQUAD (HQFP-64) power package with exposed pad | HiQUAD-64 (S-PQFP-G64) |
| 安装类型 | Surface Mount | Surface Mount |
| Output Channels | Configurable power stages + OUT21-OUT28 stepper/driver stages | Multiple low-side/high-side drivers (injectors, ignition, relays, lamps) |
| 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 | — |
| 工作温度范围 | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) | -40 C to +125 C |
| AEC-Q100 Qualification | Qualified (automotive grade) | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| MSL 等级 | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] | — |
| Technology | — | BCD6S smart power |
| Supply Voltage (VBAT) | — | [DATA_NEEDED: VBAT operating range V] |
| SPI Clock Frequency | — | Up to 5 MHz |
| 引脚数量 | — | 64 |
| Key Features | — | Reverse-battery protection on KEY_ON, MRD output, freewheeling diodes, diagnostic feedback, fail-safe outputs |
| Diagnostic Functions | — | Open-load, short-to-battery, short-to-ground, over-temperature |
| Qualification | — | Automotive grade |
| Tape and Reel Packaging | — | Yes (suffix -TR) |