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BQ76925RGER
+BOMIC BATT MFUNC LI-ION 3-6C 24VQFN
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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 #BQ76925RGER
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パッケージ VQFN (RGE)-24
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在庫状況3023
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),Bulk |
| ProductStatus | Active |
| Function | Multi-Function Controller |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 3 ~ 6 |
| FaultProtection | Over Current, Over Temperature, Over/Under Voltage |
| Interface | I²C |
| OperatingTemperature | -25°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 24-VFQFN Exposed Pad |
概要
Description
The BQ76925RGER includes an analog-to-digital converter (ADC) for precise voltage readings and supports passive balancing to maintain cell voltage uniformity. It interfaces with microcontrollers through an I²C communication protocol, allowing for easy integration into battery management systems. The device operates over a wide temperature range, making it suitable for various applications like electric vehicles, power tools, and energy storage systems. Its compact package and low power consumption make it ideal for space-constrained and battery-powered applications, providing reliable and efficient battery monitoring and protection.
Equivalent
1. MAX14920 from Maxim Integrated: A similar battery monitoring IC.
2. LTC6803 from Analog Devices: A multi-cell battery stack monitor.
3. ISL94202 from Renesas: An analog front end for battery management.
4. MC33771 from NXP: A battery cell controller.
These alternatives may have different features, so it's important to verify compatibility with your specific application requirements.
Features
1. Cell Voltage Monitoring: It supports up to 6 series-connected cells for accurate cell voltage measurement.
2. Integrated ADC: Includes a high-resolution analog-to-digital converter to ensure precise voltage readings.
3. Temperature Sensing: Supports external thermistors for monitoring battery temperature.
4. Balancing Control: Provides passive cell balancing capability to maintain uniform cell voltage across the battery pack.
5. Low Power Consumption: Offers energy-efficient operation, ideal for battery-powered applications.
6. I2C Interface: Equipped with an I2C interface for easy communication with a host microcontroller.
7. Protection Features: Includes overvoltage and undervoltage protection to enhance battery safety.
8. Small Package: Available in a compact package, making it suitable for space-constrained designs.
These features make the BQ76925RGER suitable for portable electronics, power tools, and electric vehicles where efficient battery management is critical.
Pinout
Key functions of the BQ76925RGER include:
1. Cell Voltage Monitoring: It can monitor multiple battery cells' voltage levels, which is crucial for ensuring cell balance and safety.
2. Temperature Monitoring: The IC supports temperature monitoring to prevent overheating, ensuring the longevity and safety of the battery pack.
3. Overvoltage and Undervoltage Protection: The BQ76925RGER provides protection against cells going out of their safe operating voltage ranges.
4. Current Measurement: It can measure the current flowing in and out of the battery pack, which is useful for determining the state of charge and health of the battery.
5. Balancing Control: The IC supports cell balancing functions, promoting uniform charge distribution across cells.
These features make the BQ76925RGER suitable for battery management systems in portable electronics, power tools, and electric vehicles.