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BQ76952PFBR
+BOMIC BAT LIFEPO4/LI-ION 3-16C TQFP
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ManufacturerTexas Instruments
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Mfr. Part #BQ76952PFBR
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Datasheet BQ76952PFBR DataSheet
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Package TQFP-48
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In Stock4647
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Multi-Function Controller |
| BatteryChemistry | LiFePO4/Li-ion |
| NumberofCells | 3 ~ 16 |
| FaultProtection | Over Temperature |
| Interface | I²C, SPI |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 48-TQFP |
Overview
Description
Key features include cell voltage and temperature monitoring, cell balancing, and protection mechanisms like overcurrent, overvoltage, undervoltage, and overtemperature. The BQ76952PFBR can communicate with external microcontrollers via I2C or SPI interfaces, allowing for seamless integration into a variety of battery systems. Additionally, it includes a highly configurable hardware architecture and flexible firmware, which enable customization according to specific application requirements.
The BQ76952PFBR aims to enhance battery pack reliability and safety while optimizing overall performance. It simplifies the design of battery management systems by integrating most necessary functions into a compact and efficient package, thereby reducing development time and costs for manufacturers.
Equivalent
1. Maxim Integrated: MAX17853 (battery monitoring)
2. Analog Devices: LTC6813 (battery stack monitor)
3. Renesas Electronics: ISL78714 (battery management)
Ensure compatibility with your specific application requirements, such as cell count, voltage range, and communication interfaces, when considering alternatives.
Features
1. Cell Monitoring: Supports 3 to 16 series cell configurations, with high-precision voltage measurement for each cell.
2. Protection Features: Offers extensive safety protections such as overvoltage, undervoltage, overcurrent, short circuit, and overtemperature protection.
3. Balancing: Includes passive cell balancing for ensuring uniform charge distribution across cells.
4. Communication: Equipped with I²C, SPI, and HDQ interfaces for communication with microcontrollers and other devices.
5. Integrated FET Drivers: For charge and discharge FETs, simplifying the design and reducing component count.
6. Diagnostics: Provides self-diagnostics and fault reporting to enhance reliability.
7. Low Power Consumption: Designed for minimal energy usage in standby mode, extending battery life.
8. Programmability: Features a wide range of programmable parameters for customization to specific applications.
These features make the BQ76952PFBR suitable for applications in electric vehicles, energy storage systems, and portable electronics.
Pinout
Key functions of the BQ76952 include:
1. Battery Monitoring: It can monitor cell voltages, pack voltage, and current, providing essential data for battery management.
2. Protection: The IC offers overvoltage, undervoltage, overcurrent, and short-circuit protection to enhance battery safety and reliability.
3. Balancing: It supports passive cell balancing, ensuring uniform charge distribution among cells.
4. Temperature Monitoring: It can interface with multiple thermistors to monitor battery temperature.
5. Communication Interface: The BQ76952 supports I2C and SPI communication protocols, facilitating integration with a host microcontroller for data exchange.
These features make the BQ76952 suitable for managing high-capacity and multi-cell battery packs found in applications like electric vehicles, energy storage systems, and portable electronics.