BQ27425YZFR-G2B

Product Overview

Category

The BQ27425YZFR-G2B belongs to the category of integrated circuits (ICs) and specifically falls under the battery management ICs.

Use

This product is primarily used for battery fuel gauge applications, providing accurate monitoring and reporting of battery capacity in various electronic devices.

Characteristics

• High accuracy: The BQ27425YZFR-G2B offers precise measurement and estimation of battery capacity.
• Low power consumption: It operates with minimal power consumption, ensuring efficient use of energy.
• Small form factor: The IC is designed to be compact, making it suitable for space-constrained applications.
• Advanced features: It includes features such as voltage-based SOC estimation, temperature compensation, and programmable alerts.

Package

The BQ27425YZFR-G2B is available in a small footprint package, typically a 12-pin DSBGA (wafer chip scale) package.

Essence

The essence of this product lies in its ability to accurately measure and estimate battery capacity, enabling efficient power management and prolonging battery life.

Packaging/Quantity

The BQ27425YZFR-G2B is commonly supplied in tape and reel packaging, with a standard quantity of 2500 units per reel.

Specifications

• Operating Voltage Range: 2.5V to 4.8V
• Battery Capacity Measurement Range: 10mAh to 65Ah
• Communication Interface: I2C
• Temperature Measurement Range: -40°C to +85°C
• Dimensions: 1.5mm x 1.5mm x 0.4mm

Detailed Pin Configuration

1. VSS: Ground
2. SDA: I2C Serial Data Line
3. SCL: I2C Serial Clock Line
4. TS: Temperature Sense Input
5. VDD: Power Supply Voltage
6. BAT: Battery Voltage Input
7. GPOUT: General Purpose Output
8. VSS: Ground
9. VSS: Ground
10. VSS: Ground
11. VSS: Ground
12. VSS: Ground

Functional Features

• Accurate battery capacity measurement and estimation
• Temperature compensation for improved accuracy in varying temperature conditions
• Programmable alerts for low battery, overcharge, and other battery-related events
• Voltage-based state-of-charge (SOC) estimation
• Support for multiple battery chemistries and configurations

Advantages and Disadvantages

Advantages

• High accuracy in measuring battery capacity
• Low power consumption
• Compact form factor
• Advanced features for efficient power management

Disadvantages

• Limited to I2C communication interface
• Requires additional external components for complete battery management system implementation

Working Principles

The BQ27425YZFR-G2B operates by monitoring the voltage and current of the connected battery to estimate its remaining capacity. It utilizes advanced algorithms and temperature compensation techniques to provide accurate readings across various operating conditions.

Detailed Application Field Plans

The BQ27425YZFR-G2B is widely used in portable electronic devices such as smartphones, tablets, laptops, and wearable devices. It finds applications in industries including consumer electronics, medical devices, industrial equipment, and automotive systems.

Detailed and Complete Alternative Models

1. BQ27421YZFT-G1: Similar to BQ27425YZFR-G2B but with a different package and pin configuration.
2. BQ27441YZFR-G1: Offers extended features and higher capacity measurement range compared to BQ27425YZFR-G2B.
3. BQ27500DRZT-G1: Provides enhanced battery protection and authentication features along with capacity measurement.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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