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ISL9205BIRZ - Single-Cell Lithium-Ion Battery Charger IC

The ISL9205BIRZ from Renesas Electronics Corporation is a high-performance, single-cell lithium-ion/polymer battery charger IC designed for portable and battery-powered applications. This advanced charging solution delivers reliable, programmable constant-current charging up to 900mA with precise 4.2V battery pack voltage regulation.

Key Features & Benefits

  • Optimized Charging Performance: Programmable constant-current charging ensures fast, safe battery charging cycles
  • Wide Operating Range: Functions reliably across -40°C to 85°C temperature range, ideal for industrial and consumer applications
  • Compact Surface Mount Design: 10-VFDFN exposed pad package (3x3mm DFN) saves valuable PCB space
  • Built-in Protection: Over-temperature fault protection safeguards your battery and system
  • Flexible Power Input: Accepts supply voltages up to 6.5V for versatile power source compatibility
  • Programmable Timer: Customizable charging timer prevents overcharging and extends battery life

Ideal Applications

Perfect for smartphones, tablets, portable medical devices, handheld instruments, wireless headsets, IoT sensors, and any single-cell Li-Ion/Polymer battery-powered product requiring reliable charging management.

Why Choose HQICKEY?

At HQICKEY, we source all components directly from authorized distributors, guaranteeing 100% authentic Renesas products. Every ISL9205BIRZ chip undergoes quality verification before shipping, and we offer fast international delivery with full technical support.


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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series
Packaging Tube |
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Timer
Fault Protection Over Temperature
Charge Current - Max 900mA
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6.5V
Interface -
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 10-VFDFN Exposed Pad
Supplier Device Package 10-DFN (3x3)
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