BQ24153YFFT - English Editing Encyclopedia Entry

Product Overview

Category

The BQ24153YFFT belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is primarily used for managing and controlling the charging process of rechargeable batteries in various electronic devices.

Characteristics

• The BQ24153YFFT offers high efficiency charging with low power dissipation.
• It supports multiple charging modes, including constant current (CC) and constant voltage (CV) charging.
• This IC incorporates advanced safety features to protect the battery from overcharging, overvoltage, and overcurrent conditions.
• It is designed to work with a wide range of battery chemistries, such as lithium-ion (Li-ion) and lithium-polymer (LiPo).

Package

The BQ24153YFFT is available in a small form factor package, typically a 20-pin thin quad flat no-lead (TQFN) package. This package provides good thermal performance and ease of integration into compact electronic devices.

Essence

The essence of the BQ24153YFFT lies in its ability to efficiently charge batteries while ensuring their safety and longevity.

Packaging/Quantity

The BQ24153YFFT is commonly supplied in reels or trays, depending on the manufacturer's packaging standards. The quantity per reel or tray may vary, but it is typically around 250 to 300 units.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Charging Current Range: Up to 2A
• Output Voltage Range: 3.5V to 4.44V
• Operating Temperature Range: -40°C to +85°C
• Control Interface: I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

The BQ24153YFFT has a total of 20 pins. Here is a brief description of some key pins:

1. VIN: Input voltage pin.
2. VBUS: USB input voltage pin.
3. SYS: System output voltage pin.
4. BAT: Battery voltage pin.
5. TS: Temperature sense pin.
6. STAT: Status indication pin.
7. EN: Enable control pin.
8. I2CSCL/I2CSDA: I2C communication pins.

For a complete pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Integrated power FETs for efficient charging.
• Dynamic power management for optimal power delivery.
• Thermal regulation and protection mechanisms.
• Charge termination based on battery voltage and current thresholds.
• Programmable charging parameters through I2C interface.

Advantages and Disadvantages

Advantages

• High charging efficiency leads to reduced power consumption.
• Comprehensive safety features protect the battery and device.
• Flexible charging modes support various battery chemistries.
• Compact package size allows for easy integration into space-constrained designs.

Disadvantages

• Requires additional external components for complete charging system implementation.
• Limited availability of alternative models from different manufacturers.

Working Principles

The BQ24153YFFT operates by regulating the charging process based on the input voltage, battery voltage, and temperature measurements. It employs a combination of constant current and constant voltage charging techniques to ensure efficient and safe charging of the battery. The IC continuously monitors the battery's state and adjusts the charging parameters accordingly.

Detailed Application Field Plans

The BQ24153YFFT finds applications in a wide range of portable electronic devices, including smartphones, tablets, digital cameras, and portable gaming consoles. Its ability to handle multiple battery chemistries makes it suitable for diverse consumer electronics products.

Detailed and Complete Alternative Models

While the BQ24153YFFT is a popular choice for battery charging applications, there are alternative models available from different manufacturers. Some notable alternatives include:

1. MCP73871 - Microchip Technology
2. MAX1555 - Maxim Integrated
3. LTC4054 - Linear Technology

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

In conclusion, the BQ24153YFFT is an integrated circuit designed for efficient and safe battery charging in various electronic devices. Its high efficiency, comprehensive safety features, and compatibility with multiple battery chemistries make it a preferred choice for designers in the portable electronics industry.

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