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The ISL9301IRZ-T is a high-performance single-cell lithium-ion/polymer battery charger IC manufactured by Renesas Electronics Corporation. Designed for portable and embedded applications, this advanced battery management solution delivers reliable constant-current charging up to 450mA with programmable timer features and comprehensive over-temperature fault protection.

Engineered for space-constrained designs, the ISL9301IRZ-T comes in a compact 10-VFDFN (3x3mm DFN) surface-mount package with an exposed pad for enhanced thermal performance. Operating across a wide temperature range of -40°C to 85°C, this charger IC supports a maximum supply voltage of 10V and charges battery packs to the standard 4.2V lithium-ion voltage.

Key Features & Benefits:

  • Single-cell Li-Ion/Polymer battery charging with constant-current regulation
  • Maximum charge current: 450mA (programmable)
  • Wide input voltage range up to 10V
  • Integrated over-temperature protection for enhanced safety
  • Programmable charge timer for flexible battery management
  • Compact 10-DFN (3x3mm) surface-mount package
  • Extended operating temperature: -40°C to 85°C (TA)
  • RoHS compliant for environmental compliance

Typical Applications:

  • Portable consumer electronics and wearables
  • Wireless sensors and IoT devices
  • Handheld medical instruments
  • Battery-powered industrial equipment
  • Bluetooth and wireless communication modules

At HQICKEY, we guarantee authentic sourcing directly from authorized distributors, ensuring you receive genuine Renesas components with full traceability and lifecycle support. Our global semiconductor supply chain provides competitive pricing, reliable inventory availability, and fast cross-border shipping to support your embedded and industrial design projects.

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Order the ISL9301IRZ-T today and benefit from HQICKEY's commitment to authentic components, competitive pricing, and reliable global delivery for your battery-powered designs.

Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series
Packaging Tape & Reel (TR) |
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Timer
Fault Protection Over Temperature
Charge Current - Max 450mA
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 10V
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)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY