BQ79881-Q1 vs BQ79826Z-Q1 Comparaison
Comparaison détaillée côte à côte de BQ79881-Q1 par Texas Instruments et BQ79826Z-Q1 par Texas Instruments. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Comparaison des spécifications
| Paramètre | BQ79881-Q1 | BQ79826Z-Q1 |
|---|---|---|
| Marque | Texas Instruments | Texas Instruments |
| Catégorie | Battery Management | Battery Management |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $7,45 | $12,40 |
| Product Type | UIR Sensor with Pack-Level EIS | 26S/24S stackable battery monitor with EIS engine |
| Fonction | 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 |
| Boîtier | LQFP-48 (7x7 mm) with EP | 100-pin HTQFP (PZS), 12x12 mm, 0.4 mm pitch |
| Type de montage | 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 | — |
| Niveau MSL | [DATA_NEEDED: MSL level] | — |
| Statut 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 |
| Plage de température de fonctionnement | — | -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 |