BQ76952 vs L9967 مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ BQ76952 بواسطة Texas Instruments و L9967 بواسطة STMicroelectronics. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | BQ76952 | L9967 |
|---|---|---|
| العلامة التجارية | Texas Instruments | STMicroelectronics |
| الفئة | Battery Management | Battery Management |
| حالة دورة الحياة | نشط | نشط |
| 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 | — |
| Communication Interface | I2C (CRC disabled by default) | SPI |
| Thermistor Inputs | Up to 9 external thermistors + internal die temperature | — |
| العلبة | 48-TQFP (7x7 mm) | QFN-48 (7x7 mm) |
| نوع التركيب | Surface Mount | Surface Mount |
| درجة حرارة التشغيل | [DATA_NEEDED: operating temperature range] | -40°C to +125°C |
| جهد التغذية | [DATA_NEEDED: supply voltage range] | — |
| مستوى MSL | [DATA_NEEDED: moisture sensitivity level] | — |
| حالة RoHS | [DATA_NEEDED: RoHS status] | — |
| 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) |
| Supply Voltage Range | — | 6 V to 72 V |
| AEC-Q100 | — | Qualified |
| RoHS | — | Compliant |
| Watchdog Timer | — | Programmable |
| Protection Features | — | Overvoltage, undervoltage, overtemperature |
| Daisy-Chain Support | — | Yes |