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BQ29330DBTR
+BOMIC BATT PROT LI-ION 2-4C 30TSSOP
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #BQ29330DBTR
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パッケージ TSSOP (DBT)-30
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在庫状況2225
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| Function | Battery Protection |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 2 ~ 4 |
| FaultProtection | Over Current, Over/Under Voltage, Short Circuit |
| Interface | I²C |
| OperatingTemperature | -40°C ~ 110°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 30-TFSOP (0.173, 4.40mm Width) |
概要
Description
The chip plays a crucial role in extending battery life and ensuring safe operation by preventing conditions that could lead to battery damage or unsafe situations. Its compact design and low power consumption make it suitable for portable devices, power tools, and other applications where efficient battery management is critical. Additionally, the BQ29330DBTR supports various safety standards and helps developers meet regulatory requirements for battery safety.
Equivalent
1. Texas Instruments BQ76920 - A similar battery monitor with protection features.
2. Analog Devices LTC6803 - A multi-cell battery stack monitor.
3. Renesas ISL94202 - Battery pack monitor with balancing.
4. NXP MC33771C - A battery cell controller.
Always verify specifications and pin compatibility when selecting an equivalent product.
Features
1. Overvoltage Protection: Monitors each cell in a multi-cell battery pack and provides overvoltage protection to prevent cell damage.
2. Undervoltage Protection: Detects undervoltage conditions to protect cells from deep discharge.
3. Overcurrent Protection: Protects against excessive discharge currents that can damage the battery or connected load.
4. Short Circuit Protection: Provides protection against short-circuit conditions.
5. Temperature Monitoring: Supports temperature measurement to prevent thermal damage to the battery.
6. Cell Balancing: Facilitates balancing of individual cells to ensure even charging and discharging, enhancing battery life and performance.
7. Fault Indication: Includes status outputs to indicate various fault conditions for system diagnostics.
8. Low Power Consumption: Designed for minimal power draw to extend battery life when the device is idle.
9. I2C Interface: Supports communication and configuration via an I2C interface for easy integration into systems.
These features make the BQ29330DBTR suitable for applications requiring reliable battery protection and management, such as in laptops, power tools, and backup power systems.
Pinout
Pin Count: 16
Key Functions:
1. Overvoltage Protection: Monitors each cell in a battery pack to prevent overcharging.
2. Undervoltage Protection: Ensures cells do not discharge below a safe voltage level.
3. Overcurrent Protection: Detects excessive current, which can indicate a short circuit or other fault, and disconnects the battery to protect it.
4. Short-Circuit Protection: Provides immediate response to short-circuit conditions to prevent damage.
5. Cell Balancing: Supports passive balancing to maintain equal charge across all cells.
6. Temperature Monitoring: Interfaces with thermistors to monitor battery temperature and prevent overheating.
7. Communication: Interfaces with a host controller for system monitoring and control.
This IC is key in maintaining battery safety and performance by protecting against common electrical faults.
Manufacturer
Application
1. Consumer Electronics: Laptops, tablets, smartphones, and wearable devices.
2. Power Tools: Cordless drills and other battery-operated tools.
3. E-Bikes and Electric Vehicles: Battery management systems for small to medium-sized electric vehicles.
4. Energy Storage Systems: Home and industrial energy storage solutions.
5. Medical Devices: Portable medical equipment requiring reliable battery management.
It provides over-voltage, under-voltage, and over-current protection, enhancing battery safety and longevity.