BQ76925RGER

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BQ76925RGER

+BOM

IC BATT MFUNC LI-ION 3-6C 24VQFN

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #BQ76925RGER

  • パッケージ VQFN (RGE)-24

  • 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
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 is a precision battery monitoring and protection integrated circuit designed by Texas Instruments. It is primarily used in battery management systems for lithium-ion and lithium-polymer batteries. The device offers accurate cell voltage and temperature measurements, ensuring efficient battery health monitoring. It supports up to six series battery cells and provides key features such as over-voltage and under-voltage protection, balancing control, and fault detection.
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

The BQ76925RGER is a battery monitor IC from Texas Instruments. Equivalent products could include:
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

The BQ76925RGER is a battery monitor IC designed for lithium-ion and lithium-polymer battery packs. Key features include:
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

The BQ76925RGER is a battery monitor IC from Texas Instruments. It is typically used for monitoring battery packs, particularly in lithium-ion and lithium polymer applications. The IC is packaged in a 24-pin VQFN (Very Thin Quad Flat No-Lead) package.
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.

Manufacturer

The BQ76925RGER is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a broad array of analog and embedded processing chips. The company is known for its innovation in the electronics industry, providing components used in a variety of applications including automotive, industrial, personal electronics, and communications equipment. TI's products are integral to the design and function of modern electronics, and the company is particularly renowned for its expertise in producing reliable, high-performance semiconductors.

Application

The BQ76925RGER is a precision battery monitoring and protection device designed primarily for battery management systems. It is commonly used in applications involving lithium-ion and lithium-polymer battery packs. Key application areas include electric vehicles (EVs), energy storage systems, uninterruptible power supplies (UPS), and portable electronics. This device provides accurate voltage and temperature monitoring, balancing of battery cells, and can help in ensuring the safety and longevity of the battery packs. Its integration into battery systems helps in preventing overcharging, over-discharging, and thermal runaway, which are critical for maintaining battery health and performance.

Package

The BQ76925RGER is a battery monitor IC from Texas Instruments. It comes in a VQFN (Very Thin Quad Flat No-Lead) package, specifically the RGE package type, which has 24 pins.