The ISL9230 is a fully integrated high input voltage single-cell Li-ion battery charger with power path management function. This charger performs the CC/CV charge function required by Li-ion batteries. The charger can withstand an input voltage up to 26V but is disabled when the input voltage exceeds 6. 6V OVP threshold. The input current limit and charge current are programmable with external resistors. When the battery voltage is lower than 3. 0V, the charger preconditions the battery with 10% of the programmed charge current. When the charge current reduces to the end-of-charge (EOC) current level during the CV charge phase, the EOC indicator (CHG) will toggle to a logic high to indicate the end-of-charge condition. The ISL9230 uses separate power paths to supply the system load and the battery. This feature allows the system to immediately operate with a completely discharged battery. This feature also allows the charge to terminate when the battery is full while continuing to supply the system power from the input source, thus minimizing unnecessary charge/discharge cycles and prolonging the battery life. Two indication pins (PG and CHG) allow simple interface to a microprocessor or LEDs.

Features

  • Complete Charger for Single-Cell Li-ion/Polymer Batteries
  • Current Path Management Optimize for Charge and System Currents
  • Intelligent Timeout Interval Based on Actual Charge Current
  • 1% Charger Output Voltage Accuracy
  • Programmable Input Current Limit
  • Programmable Charge Current
  • NTC Thermistor Input
  • Complies with USB Charger
  • Charge Current Thermal Foldback for Thermal Protection
  • Trickle Charge for Fully Discharged Batteries
  • 26V Maximum Voltage at VIN Pin
  • Power Presence and Charge Indications
  • Ambient Temperature Range: -40°C to +85°C
  • 16 Ld 3x3 TQFN Package
  • Pb-Free (RoHS Compliant)

Applications

  • Mobile Phones
  • Blue-Tooth Devices
  • PDAs
  • MP3 Players
  • Stand-Alone Chargers
  • Other Handheld Devices

Product Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active QFN Tube 100
Availability
Active QFN Reel 6000
Availability

Documentation

Title language Type Format File Size Date
Datasheets & Errata
ISL9230 Datasheet Datasheet PDF 1.19 MB
User Guides & Manuals
ISL9230EVAL1Z User Guide Manual PDF 526 KB
Application Notes & White Papers
AN1681: Grounding Techniques Application Note PDF 509 KB
AN1684: Nonideality of Ground Application Note PDF 397 KB
Five Easy Steps to Create a Multi-Load Power Solution White Paper PDF 846 KB
Other
PA11098 - Data Sheet Specification Change for Intersil Product ISL9230* Product Advisory PDF 87 KB
PA11071 - Data Sheet Specification Change for Intersil Product ISL9230* Product Advisory PDF 49 KB

Downloads

Title language Type Format File Size Date
Other
ISL9230EVAL1Z Design Files Design File ZIP 437 KB

Boards & Kits

Part Number Title Type Company
ISL9230EVAL1Z High Power Li-Ion Charger with I-Path Management Evaluation Board Evaluation Renesas
Pet-Activity-Monitor-Reference-Design Reference Design to Monitor Pet Activity and Sound Featuring the Renesas Synergy™ S3A3 MCU Reference Renesas