BQ24296RGER

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BQ24296RGER

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IC BATT CHG LI-ION 1CELL 24VQFN

  • Nhà sản xuấtTexas Dụng cụ

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Active
Base Product Number BQ24296
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Fault Protection Over Current, Over Temperature, Over Voltage
Charge Current - Max 3A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6.2V
Interface I2C
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 24-VFQFN Exposed Pad
Supplier Device Package 24-VQFN (4x4)
Packaging Cut Tape (CT), Tape & Reel (TR)

Tổng quan

Description

The BQ24296RGER is a highly integrated single-cell Li-Ion battery charge management and power path management device. Designed by Texas Instruments, it is used primarily in portable electronics to manage battery charging efficiently. Key features include a wide input voltage range, high-efficiency synchronous switch-mode charging, and the ability to charge from various power sources like USB and adapters. The device supports fast charging with adjustable current limits and integrates multiple safety features such as thermal regulation, overvoltage protection, and battery temperature monitoring. Its power path management allows for simultaneous system operation and battery charging, ensuring that the device can operate even when the battery is deeply discharged. Additionally, the BQ24296RGER features a USB On-the-Go (OTG) mode for providing power to external devices. This IC is ideal for applications that require compact size, efficient charging, and reliable power management, such as smartphones, tablets, and wearable devices. Its I²C interface allows for easy configuration and monitoring, making it a versatile solution in battery-powered designs.

Equivalent

The BQ24296RGER is a single-cell battery charger IC from Texas Instruments. Equivalent products from other manufacturers include:
1. Microchip MCP73871: A standalone system load share and Li-Ion/Li-Polymer charge management controller.
2. Linear Technology (Analog Devices) LTC4162: A high-efficiency power manager with a battery charger.
3. Maxim Integrated (now Analog Devices) MAX14690: Smart power selector with a charger.
These alternatives offer similar functionalities, such as integrated power path management and charging capabilities.

Features

The BQ24296RGER is a highly integrated single-cell battery charger from Texas Instruments designed for portable applications. Key features include:
1. Switch-Mode Charger: Supports high-efficiency charging with a buck converter, reducing power dissipation and improving thermal performance.
2. Input Voltage Range: Operates with an input voltage range of 3.9V to 6.2V, suitable for USB and adapter sources.
3. Fast Charge Current: Supports adjustable fast-charge current up to 3.5A, facilitating rapid charging.
4. Battery Management: Includes features like Battery Temperature Monitoring, Battery Overvoltage Protection, and Precharge for deeply discharged cells.
5. I2C Interface: Provides communication for programmable settings and status monitoring, enhancing system design flexibility.
6. Power Path Management: Supports operation with a connected battery or without, ensuring uninterrupted system performance.
7. Boost Mode: Can function as a boost converter to power external devices, useful for USB On-The-Go (OTG) applications.
8. Safety Features: Incorporates protections against input overvoltage, overcurrent, and thermal overload.
These features make the BQ24296RGER suitable for smartphones, tablets, and other portable electronics requiring efficient battery charging solutions.

Pinout

The BQ24296RGER is a highly integrated single-cell Li-Ion battery charge management and system power path management device. It comes in a 24-pin VQFN package.
Key pin functions include:
- VBUS (Pins 1, 24): Input for the USB or adapter source.
- BAT (Pin 2): Battery connection for charging and discharging.
- SYS (Pin 3): System output that powers the system load.
- SCL/SDA (Pins 4, 5): I²C interface for communication.
- OTG (Pin 6): Used to enable OTG boost operation.
- CE (Pin 7): Charge enable pin.
- PG (Pin 8): Power-good output, indicating valid input.
- STAT (Pin 9): Status indication of charge state.
- ILIM (Pin 10): Input current limit programming.
- TS (Pin 11): Temperature sense input.
- D+/D- (Pins 12, 13): USB data lines for automatic input current limit setting.
- REGN (Pin 19): Output of the internal LDO.
- AGND/PGND (Pins 17, 20): Analog and power ground connections.
The BQ24296RGER provides multiple functions including charging, power path management, and protection features, making it suitable for portable device applications.

Manufacturer

The BQ24296RGER is manufactured by Texas Instruments, an American technology company. Texas Instruments is a leading designer and manufacturer of semiconductors and various integrated circuits, which are used in a wide array of electronic devices. The company is known for its extensive portfolio of analog and embedded processing products and serves industries such as consumer electronics, automotive, industrial, communications equipment, and enterprise systems.

Application

The BQ24296RGER is a highly integrated battery charge management IC primarily used in portable and wearable electronics. Its main applications include smartphones, tablets, and other mobile devices where efficient battery charging is essential. It supports USB input and offers features like high-efficiency switching, power path management, and precise current regulation, making it suitable for applications requiring quick charge times and extended battery life. Additionally, due to its compact size and low power consumption, it is also ideal for use in smartwatches, fitness trackers, and other compact, battery-powered gadgets.

Package

The BQ24296RGER is a battery charger IC from Texas Instruments. It is available in a 24-pin VQFN (Very Thin Quad Flat No-Lead) package type, which is known for its compact size and efficient heat dissipation.

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