Over-Voltage and Over-Current Charger Front-End Protection IC With FET Reference Design


Design files


This reference design is a highly integrated circuit solution designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC design continuously monitors the input voltage and the battery voltage. In case of an input over-voltage condition, the IC will turn off the internal power FET after a blanking time. If the battery voltage rises to unsafe levels during charging process, power is removed from the system. If the input current exceeds the over current threshold for a limited time, the IC design will turn off the output power. The integrated charging FET can regulate the charge voltage and current according to the control from the host. The design can also provide a voltage source with over voltage and over current protection for host controller.

  • # Series Cells: 1S
  • Max Input Volts: 26V
  • Max Charge Current: 560mA
  • Communication: Standalone

Personal electronics
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU079.PDF (363 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDR047.PDF (93 K)

Detailed schematic diagram for design layout and components

TIDR048.PDF (92 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDU080.PDF (157 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Battery charger ICs

BQ24160I2C 1cell 2.5A Buck battery charger with dual-input, Power Path and USB detection

Data sheet: PDF | HTML
Battery protectors

BQ24350Over-Voltage and Over-Current Charger Front-End Protection IC With FET, 6.17 Input OVP

Data sheet: PDF

Technical documentation

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Type Title Date
Test report TIDA-00033 Test Results Aug. 26, 2013

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