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XTX Charger ICs – Pioneering the Fast-Charging Revolution for Smart Devices Through Technological Innovation

2025.08.07

In the age of the Internet of Everything, devices are placing ever-stricter demands on charging efficiency, safety, and adaptability. Leveraging years of technical expertise, XTX Technology has launched four flagship charging chips – XTB22202, XTB1058, XTB12512, and XTB21525. With their high integration, full-scenario compatibility, and exceptional reliability, these chips deliver one-stop fast-charging solutions for consumer electronics, smart homes, industrial equipment, and beyond.


Core Technical Highlights: Four Series, Each a Specialist in Its Domain

1. Efficient Fast Charging: Balancing Performance and Safety

I. High current meets precision: Supports a maximum charging current of 2.5A (XTB21525), with full-charge voltage accuracy as tight as ±25mV (XTB21525). This ensures batteries reach full capacity without swelling, extending their lifespan.

II. Intelligent three-stage charging: All models adopt a "trickle activation – constant-current fast charge – constant-voltage precision charge" cycle. Low-voltage batteries are first revived with a small current, then rapidly charged, and finally fine-tuned to a stable voltage, adapting seamlessly to various lithium battery types.

III. Comprehensive protection mechanisms: Built-in safeguards against overvoltage, undervoltage, overtemperature, and timeout (with automatic shutdown after up to 22 hours), paired with battery temperature monitoring (NTC), eliminate charging risks. An integrated anti-reverse current design removes the need for external diodes, reducing system costs.


2. Flexible Adaptability: Covering Diverse Scenarios

Core Parameters

XTB1058 (Single-cell Li-ion)

XTB21525 (Single-cell Li-ion)

XTB12512 (Two-cell Li-ion)

XTB22202 (Two-cell Li-ion)

Charging Type

Linear

Synchronous Buck Switch

Linear

Synchronous Boost Switch

Maximum Current

1.0A

2.5A

1.2A

2.0A

Full Charge Voltage

4.2V/4.35V±42mV

4.2V±25mV

4.2V±42mV (per cell)

8.4V±42mV

Input Voltage Rating

30V

9V

9V

20V

Standby Leakage Current

1uA

<1uA

<2uA

6uA

Key Features

28V wide input voltage

1.5MHz high-frequency design

Intelligent thermal regulation

USB-Limit adaptive function

Package

ESOP-8/DFN2×2-8L

DFN8L-3×3

ESOP8

ESOP-8L


3. Minimalist Design: Driving Cost Savings and Efficiency

I. Highly integrated architecture: Incorporates power MOSFETs and synchronous switching circuits, requiring only a handful of external capacitors and inductors (e.g., XTB22202 supports 2.2uH small inductors), reducing PCB area by over 50%.

II. Versatile packaging options: Ranging from ESOP-8L to DFN3×3, these chips meet the miniaturization needs of portable devices (such as Bluetooth headsets) while accommodating the thermal management requirements of industrial equipment.


Application Markets: Precision-Engineered for Enhanced Fast-Charging Experiences

1. Consumer Electronics: XTB21525, with its 2.5A current and 1.5MHz high-frequency design, delivers ultra-fast charging for smartphones and e-cigarettes. XTB1058, supporting 28V wide input voltage, adapts to multi-power scenarios in Bluetooth headsets and wearables.

2. Smart Home: XTB12512, featuring 1.2A linear charging and low standby leakage current, is ideal for electric toothbrushes and smart door locks, ensuring long-term device runtime. XTB22202’s 20V voltage rating makes it suitable for complex power environments in appliances like juicers.

8. Industrial Equipment: XTB22202’s USB-Limit function adapts to USB power capabilities, providing stable fast charging for walkie-talkies and power tools to prevent overload. All chips operate across a wide temperature range (-40℃ to 85℃), withstanding harsh industrial conditions.


XTX: Beyond Charging – Empowering Innovation

From single-cell to two-cell lithium batteries, and from linear to switching architectures, XTX charging chips center on "efficiency, safety, and flexibility." They help customers simplify design, cut costs, and boost product competitiveness. Whether for consumer electronics demanding ultra-fast charging or industrial equipment requiring reliable runtime, XTX offers tailored solutions to lead the fast-charging revolution for smart devices.

For more product details, visit: http://www.xtxtech.com/

Technical support: fae@xtxtech.com

XTX – Where every charge becomes a seamless fusion of technology and experience.