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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Battery Chemistry Lithium Ion/Polymer
Number of Cells 2 ~ 4
Current - Charging Constant - Programmable
Programmable Features Current
Fault Protection Over Current, Over Temperature
Charge Current - Max -
Battery Pack Voltage 2.4V ~ 18.304V
Voltage - Supply (Max) 23.4V
Interface I2C, SMBus
Operating Temperature -
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 32-WFQFN Exposed Pad
Supplier Device Package 32-TQFN (4x4)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Renesas ISL9238CHRTZ-T is a highly integrated battery charger IC designed for multi-cell Lithium Ion/Polymer battery packs. Supporting 2 to 4 cells with a battery voltage range from 2.4V to 18.304V, it offers flexible configuration for various portable applications. The device features I2C and SMBus interfaces for precise control and monitoring, along with essential fault protection including over current and over temperature safeguards. Housed in a compact 32-WFQFN Exposed Pad package, this charger is suitable for space-constrained designs in notebooks, portable instruments, and other advanced battery-powered systems.

  • Flexible Multi-Cell Support: Handles 2 to 4 Lithium Ion/Polymer cells, accommodating a wide range of battery pack configurations.
  • Precise Digital Control: The I2C/SMBus interface enables accurate voltage and current regulation, allowing for system-level optimization.
  • Robust Protection: Integrated over current and over temperature protection ensures safe operation under fault conditions.
  • Space-Saving Package: The 32-WFQFN Exposed Pad package minimizes PCB footprint, ideal for compact electronics.

Ultrabook and Notebook Battery Management

With support for 2-4 Lithium Ion/Polymer cells and a battery voltage range up to 18.304V, this charger is ideal for managing the multi-cell packs found in modern ultrabooks and notebooks, ensuring efficient charging and communication via I2C/SMBus.

Portable Medical Devices

The I2C/SMBus interface allows precise control and monitoring, which is critical for portable medical equipment that relies on reliable multi-cell Lithium Polymer batteries for consistent, safe operation.

Industrial Handheld Terminals

For rugged handheld scanners and terminals using 2-4 cell Li-Ion packs, the ISL9238CHRTZ-T provides robust charging with over current and over temperature protection to withstand demanding field use.

High-Capacity Power Banks

Multi-cell power banks benefit from the charger's ability to handle up to 4 cells, enabling higher energy storage capacity while maintaining safe charging profiles for Lithium Ion/Polymer chemistry.

Embedded Computing Systems

In compact embedded PCs and thin clients, this charger's 32-WFQFN package saves board space while providing a programmable charging solution for the system's backup or main battery.

Q: What battery chemistry does the ISL9238CHRTZ-T support?
A: It supports Lithium Ion/Polymer batteries.
Q: How many battery cells can this charger handle?
A: It supports 2 to 4 cells in series.
Q: What is the battery pack voltage range?
A: The battery voltage range is 2.4V to 18.304V.
Q: What fault protection features are included?
A: It includes Over Current and Over Temperature protection.
Q: What control interface does it use?
A: It uses I2C and SMBus interfaces.
Q: What package is the ISL9238CHRTZ-T available in?
A: It comes in a 32-WFQFN Exposed Pad package.
Base Product Number : ISL9238CHRTZ
2-4 Cells 32-WFQFN Battery Charger I2C Lithium Ion/Polymer Multi-Cell Charger Renesas SMBus
Q: What battery chemistry does the ISL9238CHRTZ-T support?
A: It supports Lithium Ion/Polymer batteries.
Q: How many battery cells can this charger handle?
A: It supports 2 to 4 cells in series.
Q: What is the battery pack voltage range?
A: The battery voltage range is 2.4V to 18.304V.
Q: What fault protection features are included?
A: It includes Over Current and Over Temperature protection.
Q: What control interface does it use?
A: It uses I2C and SMBus interfaces.
Q: What package is the ISL9238CHRTZ-T available in?
A: It comes in a 32-WFQFN Exposed Pad package.