L9779WDAT2 vs L9678PTR مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ L9779WDAT2 بواسطة STMicroelectronics و L9678PTR بواسطة STMicroelectronics. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
STMicroelectronics
L9779WDAT2 - Multifunction Engine Management PMIC | STMicroelectronics
L9779WDAT2 ✓ نشط
مقارنة المواصفات
| المعامل | L9779WDAT2 | L9678PTR |
|---|---|---|
| العلامة التجارية | STMicroelectronics | STMicroelectronics |
| الفئة | Power Management | Power MOSFET Drivers |
| حالة دورة الحياة | نشط | نشط |
| Product Type | Multifunction Automotive Power Management IC (PMIC) | Automotive Airbag System Basis IC (SBI) |
| الوظيفة | 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) | — |
| العلبة | 64-pin HiQUAD (HQFP-64) power package with exposed pad | 64-LQFP (10x10 mm) |
| نوع التركيب | Surface Mount | Surface Mount |
| 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 | — |
| نطاق درجة حرارة التشغيل | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) | -40 C to +95 C |
| AEC-Q100 Qualification | Qualified (automotive grade) | — |
| حالة RoHS | Compliant | Compliant |
| Lead-Free | Yes | — |
| مستوى MSL | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] | 3 (168 hours) |
| Operating Voltage (VBAT) | — | 6 V to 18 V (load-dump tolerant up to 40 V) |
| 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 |