BQ25892RTWR

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BQ25892RTWR

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IC BATT CHG LI-ION 1CELL 24WQFN

  • FabricanteTexas Instruments

  • Peça do Fabricante #BQ25892RTWR

  • Pacote WQFN (RTW)-24

  • Em Estoque7010

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
Series MaxCharge™
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 1
FaultProtection Over Current, Over Temperature
ChargeCurrent-Max 5A
Voltage-Supply(Max) 14V
Interface I²C, USB
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 24-WFQFN Exposed Pad

Visão Geral

Description

The BQ25892RTWR is a highly efficient, standalone battery charger IC designed for single-cell Li-ion and Li-polymer batteries. Manufactured by Texas Instruments, it integrates a synchronous switch-mode buck charger with a high level of performance and flexibility. Key features include support for USB input power or adapter inputs, fast charging capability with up to 5A, and input current optimization for maximum efficiency.
The IC offers a wide range of input voltage from 3.9V to 14V, making it versatile for various applications. It includes safety features such as battery temperature monitoring, over-voltage protection, and thermal regulation. The BQ25892RTWR also supports I2C communication, allowing precise control and monitoring of charging parameters.
Its 24-pin WQFN package ensures compact design suitability for portable electronics such as smartphones, tablets, and other handheld devices. The BQ25892RTWR is a robust solution for efficient battery management, ensuring longer battery life and optimal device performance.

Equivalent

The BQ25892RTWR is a single-cell battery charger IC from Texas Instruments. Equivalent products include the MCP73871 from Microchip, the MAX77650 from Maxim Integrated, and the LTC4054 from Analog Devices. These alternatives offer similar charging capabilities for single-cell Li-Ion and Li-Polymer batteries, but users should compare specific features like charge current, input voltage range, and additional functionalities to ensure compatibility with their application needs.

Features

The BQ25892RTWR is a highly integrated 3-A buck battery charge management IC for single-cell lithium-ion and lithium-polymer batteries. Key features include:
1. High Efficiency: Utilizes a high-frequency switch-mode architecture to provide fast charging capabilities with reduced heat dissipation.
2. Input Voltage Range: Supports input voltages from 3.9V to 14V, accommodating a wide variety of USB and adapter sources.
3. Battery Charging: Offers up to 3A charging current with a programmable battery regulation voltage.
4. I2C Interface: Includes an I2C interface for communicating with a host processor for configuration and monitoring.
5. Safety Features: Incorporates thermal regulation, over-voltage protection, battery temperature monitoring, and short-circuit protection.
6. Power Path Management: Ensures simultaneous system operation and battery charging with minimal power loss.
7. USB Compatibility: Compliant with USB2.0 and USB3.0 specifications for current limits.
8. Status Indicators: Provides charging and fault status indicators for easy monitoring.
These features make the BQ25892RTWR suitable for portable electronics, smartphones, tablets, and other battery-powered devices requiring efficient charging management.

Pinout

The BQ25892RTWR is a highly integrated switch-mode battery charge management and system power path management device for single-cell Li-Ion and Li-Polymer batteries. It comes in a 24-pin package. The key functions of this device include:
1. Battery Charging: It supports fast charging with a high input voltage limit and optimized efficiency.
2. Power Path Management: This feature allows the system to be powered simultaneously from the external input or the battery, optimizing battery life and system efficiency.
3. Protection Features: The BQ25892RTWR includes safety features such as thermal regulation, input over-voltage protection, battery over-voltage protection, and more.
4. I2C Interface: For communication and control, it includes an I2C compatible interface.
5. D+/D- Detection: It can detect USB and various other input sources to ensure proper charging methods.
This comprehensive functionality makes it suitable for portable and handheld devices requiring efficient battery management.

Manufacturer

The BQ25892RTWR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company known for designing and manufacturing semiconductors and various integrated circuits. Their products are used in a wide range of electronic devices and systems, serving markets that include industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation and development in analog and embedded processing technologies.

Application

The BQ25892RTWR is a highly integrated switch-mode battery charge management and system power path management device for single-cell Li-Ion and Li-Polymer batteries. It is commonly used in applications requiring efficient and fast battery charging. Key application areas include smartphones, tablets, portable media players, wearables, digital cameras, and other mobile and handheld consumer electronics. Its features, such as high-efficiency charging, USB compatibility, and support for a wide range of input sources, make it suitable for devices that require compact, efficient power management solutions with flexible charging options.

Package

The BQ25892RTWR is a battery charge management IC from Texas Instruments, available in a 24-pin WQFN (VQFN) package. This package type is compact, making it suitable for space-constrained applications.

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