BQ25628RYKR

Battery Chargers Overview

The BQ25628RYKR is a highly integrated 2A switch-mode battery charging and system power path management IC designed for single-cell lithium-ion and lithium-polymer batteries. It features an input voltage range of 3.9V to 18V with an absolute maximum rating of 26V. The device supports I2C serial interface configuration, programmable charge current up to 2A, and operates within a temperature range of -40°C to 85°C. Packaged in an 18-WQFN-HR (3x2.5mm) surface-mount case, it integrates internal current sensing, loop compensation, and multiple protection mechanisms.

Battery Chargers Feature Summary

• Integrates high-side, low-side, and battery FETs with narrow VDC power path management
• Supports boost mode operation for accessory power supply via OTG functionality
• Includes comprehensive safety features such as thermal regulation and battery temperature sensing
• Enables flexible JEITA charging curves for safe operation across varying temperatures

Battery Chargers Applications

• Single-cell portable electronic devices requiring efficient charging
• IoT terminals needing integrated power path management
• USB-powered applications compliant with USB 2.0/3.0 specifications
• Devices utilizing On-The-Go (OTG) reverse boosting capabilities

Battery Chargers Procurement Notes

Verify the specific suffix RYKR against the manufacturer datasheet to confirm package dimensions and tape/reel specifications. Ensure compatibility with I2C bus voltage levels and check for RoHS3 compliance status prior to integration. Confirm that the 18-WQFN-HR footprint matches the PCB layout requirements exactly.

Battery Chargers Selection Notes

Select this component when a compact solution for single-cell Li-ion/Li-Po charging is required with integrated power path management. It is suitable for designs needing USB input compatibility and OTG support. Consider the BQ25629 if external ILIM pin configuration or TS_BIAS functionality is preferred over the fully I2C-configurable nature of the BQ25628.

Battery Chargers Part Context

This part belongs to the BQ2562x family of battery chargers from Texas Instruments. It shares architectural similarities with the BQ25629 but lacks specific hardware pins for input current limiting and thermistor biasing found in the latter. Both devices utilize the same 18-pin WQFN package and offer comparable switching efficiency and protection features.

Battery Chargers Replacement Considerations

The BQ25629RYKR is a documented substitute within the same family. Verify functional differences regarding ILIM and TS_BIAS pins before substitution.