BQ79881-Q1 vs BQ79826Z-Q1 مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ BQ79881-Q1 بواسطة Texas Instruments و BQ79826Z-Q1 بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | BQ79881-Q1 | BQ79826Z-Q1 |
|---|---|---|
| العلامة التجارية | Texas Instruments | Texas Instruments |
| الفئة | Battery Management | Battery Management |
| حالة دورة الحياة | نشط | نشط |
| Product Type | UIR Sensor with Pack-Level EIS | 26S/24S stackable battery monitor with EIS engine |
| الوظيفة | Battery monitor with EIS, voltage, current, insulation resistance monitoring | — |
| HV Measurement Accuracy | <0.4% (ASIL-D) | — |
| Single-Ended Measurement Range | 0.3 V to 5 V | — |
| Pack Voltage Measurements | 2 (fast) | — |
| VI Sync within BQ79881 | 0 us | — |
| VI Sync with Cell Monitor | 5 us typical | — |
| Functional Safety | ASIL-D capable (ISO 26262) | ISO 26262 up to ASIL-D (system level) |
| Automotive Qualification | AEC-Q100 | AEC-Q100 Grade 1 |
| العلبة | LQFP-48 (7x7 mm) with EP | 100-pin HTQFP (PZS), 12x12 mm, 0.4 mm pitch |
| نوع التركيب | Surface Mount | Surface Mount with PowerPAD |
| EIS Engine | Integrated (pack-level) | Integrated electrochemical impedance spectroscopy |
| Insulation Resistance Monitoring | Yes (UIR function) | — |
| Target Application | EV/BMS HV Automotive | — |
| مستوى MSL | [DATA_NEEDED: MSL level] | — |
| حالة RoHS | Compliant | Compliant |
| Cell Count Supported | — | Up to 26 series cells (stackable to higher counts) |
| Cell Voltage Accuracy | — | ±1.25 mV |
| Voltage Measurement Accuracy | — | < 2 mV across -40°C to +125°C |
| Passive Balancing Current | — | Up to 300 mA per cell |
| Integrated Protection | — | OV/UV cell-protector comparators |
| نطاق درجة حرارة التشغيل | — | -40°C to +125°C |
| Companion Pack Monitor | — | BQ79881-Q1 |
| Limp Home Mode | — | Supported (automotive) |
| Typical Supply Voltage Range | — | [DATA_NEEDED: typical supply voltage] |
| Communication Interface | — | Isolated daisy-chain UART/SPI |