High Input Voltage Charger With Power Path Management Evaluation Board


The ISL9301EVAL1Z is an evaluation tool for the ISL9301 single-cell Li-ion battery charger. The evaluation tool provides a complete evaluation platform addressing all datasheet specifications and functionality. The jumpers on the board facilitate the programming of the charge current, different charging conditions, and can be used to make other necessary connections, such as current measurement.

The ISL9301 is an Li-ion battery charger with a power path management function. It uses separate power paths to supply the system load and charge the battery. This feature allows the system to immediately operate with a completely discharged battery and allows the charge to terminate when the battery is full while continuing to supply the system with the input source, thus minimizing unnecessary charge/discharge cycles and improving the battery life.

Key Features

  • Complete charger for single-cell Li-ion/polymer batteries
  • Power path management to optimize charge and system currents
  • Intelligent timeout interval based on actual charge current
  • Integrated disconnect switch to disconnect the battery
  • 30mV (target) voltage accuracy
  • Programmable charge current
  • Programmable end-of-charge current
  • Charge current thermal foldback for thermal protection
  • Trickle charge for fully discharged batteries
  • 28V maximum voltage at VIN pin
  • Power presence and charge indications
  • Ambient temperature range: -40°C to +85°C
  • 3mm x 3mm 10 Ld DFN package


  • Mobile phones
  • Bluetooth devices
  • PDAs
  • MP3 players
  • Stand-alone chargers
  • Other handheld devices

ISL9301EVAL1Z Voltage Charger Eval Board

ISL9301EVAL1Z Voltage Charger Eval Board


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