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BQ25895RTWR

TIBQ25895RTWR

Texas Instruments
Charger IC Lithium Ion/Polymer 24-WQFN (4x4)
NRND7,764 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The BQ25895RTWR is a highly integrated 5A switch-mode battery charge management and system power path management device for single-cell Li-Ion and Li-polymer batteries. It features a high-efficiency 1.5-MHz buck converter and supports a wide range of input sources including standard USB host ports and high-voltage adapters up to 14V. The device also includes an integrated boost mode capable of providing 4.5V to 5.5V for USB On-The-Go (OTG) applications.

Why Choose This Part

The BQ25895 integrates all MOSFETs, current sensing, and loop compensation to minimize PCB footprint while achieving high efficiency at high charge currents. Its IRCOMP feature compensates for internal resistance from the charger output to the battery terminal, ensuring faster charging times by staying in constant current mode longer.

Applications

Power Banks
Utilizes the 5A fast charging capability and the integrated 3.1A boost mode for USB output.
Portable Industrial Devices
Provides Narrow VDC (NVDC) power path management to allow the system to operate even with a depleted or missing battery.
Tablet and Smartphone Accessories
Leverages the Input Current Optimizer (ICO) to maximize power extraction from various charging adapters without overloading them.
IoT Gateways
Uses the integrated ADC for real-time monitoring of battery voltage, temperature, and charging current over I2C.

Key Specifications

Interface I2C, USB
Mounting Type Surface Mount
Package / Case 24-WFQFN Exposed Pad
Number of Cells 1
Fault Protection Over Temperature
Battery Chemistry Lithium Ion/Polymer
Charge Current - Max 5A
Operating Temperature -40degC ~ 85degC (TA)
Voltage - Supply (Max) 14V
Supplier Device Package 24-WQFN (4x4)

Getting Started

Development is typically performed using the BQ25895EVM-664 evaluation module to test charging profiles and I2C registers. Engineers should utilize the TI Battery Management Studio (bqStudio) software for real-time configuration and monitoring of the integrated 7-bit ADC values.

BQ25895 Family

Also available as: BQ25895RTWT

Also Consider

MAX77860 Analog Devices - An alternative high-efficiency switch-mode charger with integrated USB Type-C CC detection.

Categories

Consumer Electronics > USB & Charging Consumer Electronics > Battery Management