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BQ20Z95DBT
+NomenclatureIC GAS GAUGE LI-ION 2-4C 44TSSOP
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FabricantTexas Instruments
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Pièce fabricant #BQ20Z95DBT
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Package TSSOP-44
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En stock3201
365 Garantie qualité 24h/24
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Spécifications
| Attribut | Valeur |
| Package | Bulk,Tube |
| Series | Impedance Track™ |
| ProductStatus | Not For New Designs |
| Function | Multi-Function Controller |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 2 ~ 4 |
| FaultProtection | Over Current, Over Temperature, Over/Under Voltage, Short Circuit |
| Interface | SMBus |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 44-TFSOP (0.173, 4.40mm Width) |
Présentation
Description
The BQ20Z95DBT includes features such as cell balancing, overcurrent protection, short circuit protection, and over/under voltage protection, making it suitable for applications in laptops, power tools, and other portable electronics. It communicates via an SMBus interface, allowing for easy integration into existing systems. Additionally, it supports a multi-cell configuration, typically 2-4 series Li-ion or Li-polymer cells.
Overall, the BQ20Z95DBT offers a comprehensive solution for battery management, ensuring efficient charging, discharging, and safety, which enhances the performance and longevity of battery-powered devices.
Equivalent
Features
1. Accurate Fuel Gauging: Utilizes Impedance Track™ technology for precise monitoring of remaining battery capacity.
2. Safety Features: Provides over-voltage, under-voltage, over-current, and short-circuit protection.
3. Cell Balancing: Supports passive cell balancing to maintain equal charge among cells in multi-cell battery packs.
4. Communication Interface: Includes I²C/SBS interface for communication with the host system.
5. Programmable Flash Memory: Allows customization and storage of battery parameters.
6. Temperature Monitoring: Supports temperature sensing for enhanced safety and performance.
7. Low Power Consumption: Designed for minimal power draw in sleep mode to conserve battery life.
These features make the BQ20Z95DBT suitable for a range of portable electronics requiring reliable and accurate battery management.
Pinout
Key functions include:
1. Fuel Gauging: Uses advanced algorithms to accurately measure battery capacity, state of charge, and run-time to empty predictions.
2. Protection: Provides over-voltage, under-voltage, over-current, and short circuit protection to enhance battery safety.
3. Cell Balancing: Ensures uniform charging and discharging across all cells in a multi-cell battery pack.
4. Communication: Supports SMBus interface for communication with the host system, allowing for data exchange about battery status and condition.
5. Temperature Monitoring: Contains internal and external thermistor inputs to monitor and protect against over-temperature conditions.
This IC supports multiple-cell lithium-ion battery packs, making it suitable for laptops, power tools, and other portable electronics requiring reliable battery management.
Manufacturer
Application
1. Consumer Electronics: Laptops, tablets, and portable devices where accurate battery monitoring is essential.
2. Medical Devices: Equipment that requires reliable power management to ensure uninterrupted operation.
3. Industrial Applications: Tools and equipment needing efficient battery utilization and power management.
4. Power Tools: Cordless tools that benefit from precise battery state monitoring.
5. Electric Vehicles: Smaller EVs and e-bikes that require effective battery management solutions.
These applications benefit from the BQ20Z95DBT’s capabilities in fuel gauging, protection, and battery health monitoring.