L9967 vs BQ76952 مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ L9967 بواسطة STMicroelectronics و BQ76952 بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | L9967 | BQ76952 |
|---|---|---|
| العلامة التجارية | STMicroelectronics | Texas Instruments |
| الفئة | Battery Management | Battery Management |
| حالة دورة الحياة | نشط | نشط |
| Number of Cells | Up to 14 series cells | — |
| Voltage Measurement Accuracy | ±10 mV | — |
| Current Sensing | Integrated shunt amplifier | — |
| ADC Resolution | 16-bit delta-sigma | — |
| Balancing Current | 300 mA (passive) | — |
| Communication Interface | SPI | I2C (CRC disabled by default) |
| Supply Voltage Range | 6 V to 72 V | — |
| درجة حرارة التشغيل | -40°C to +125°C | [DATA_NEEDED: operating temperature range] |
| العلبة | QFN-48 (7x7 mm) | 48-TQFP (7x7 mm) |
| نوع التركيب | Surface Mount | Surface Mount |
| AEC-Q100 | Qualified | — |
| RoHS | Compliant | — |
| Watchdog Timer | Programmable | — |
| Protection Features | Overvoltage, undervoltage, overtemperature | — |
| Daisy-Chain Support | Yes | — |
| Cell Count | — | 3-series to 16-series |
| Supported Chemistries | — | Li-ion, Li-polymer, LiFePO4 |
| الوظيفة | — | Battery monitor and protector (BMS AFE) |
| Cell Voltage Measurement | — | Differential (e.g., VC1-VC0 through VC16-VC15) |
| Cell Balancing | — | Autonomous or host-controlled |
| FET Drivers | — | Integrated high-side charge-pump NFET drivers |
| Protection Subsystem | — | Configurable current, voltage, temperature protections |
| Thermistor Inputs | — | Up to 9 external thermistors + internal die temperature |
| جهد التغذية | — | [DATA_NEEDED: supply voltage range] |
| مستوى MSL | — | [DATA_NEEDED: moisture sensitivity level] |
| حالة RoHS | — | [DATA_NEEDED: RoHS status] |