The ISL9301 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 accepts an input voltage up to 28V but is disabled when the input voltage exceeds 10.5V OVP threshold. The 28V rating eliminates the overvoltage protection circuit required in a low-voltage charger. The charge current and the end-of-charge (EOC) current are programmable with external resistors. When the battery voltage is lower than 2. 8V, the charger preconditions the battery with 16% of the programmed charge current. When the charge current reduces to the programmable EOC current level during the CV charge phase, the EOC indicator (CHG) will toggle to logic HIGH to indicate the end-of-charge condition.

The charger will continue to charge until the user-programmed timeout interval has elapsed, then the charger is terminated. The ISL9301 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. This feature also 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. Two indication pins (PPR and CHG) allow simple interface to a microprocessor or LEDs.

特性

  • Complete Charger for Single-Cell Li-ion/Polymer Batteries
  • Power Path Management Optimize Charge and System Currents
  • Intelligent Timeout Interval Based on Actual Charge Current
  • Integrated Disconnect Switch to Disconnect the Battery
  • 1% Charger Output 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
  • 10 Ld 3x3 DFN Package
  • Pb-Free (RoHS Compliant)

应用

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

产品选择

器件号 Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active DFN Tube 100
Availability
Active DFN Reel 6000
Availability

文档

文档标题 language 类型 文档格式 文件大小 日期
数据手册与勘误表
ISL9301 Datasheet 数据手册 PDF 616 KB
应用指南 & 白皮书
AN1681: Grounding Techniques 应用文档 PDF 509 KB
AN1684: Nonideality of Ground 应用文档 PDF 397 KB
Five Easy Steps to Create a Multi-Load Power Solution 白皮书 PDF 846 KB
PCN / PDN
PCN20029A - Alternate bond wire material and assembly facility of the listed Renesas QFN packaged products 产品变更通告 PDF 327 KB
PCN15046 - Wafer Fabrication Site Change for Listed Intersil Products - Global Foundry P6 Process transfer to Palm Bay - Phase II 产品变更通告 PDF 398 KB
PCN10055 - Alternate Bond Wire Material for Assembly of the Listed Intersil DFN/QFN Packaged Products - STATS ChipPAC Malaysia 产品变更通告 PDF 248 KB

开发板与套件

器件号 文档标题 类型 Company
ISL9301EVAL1Z High Input Voltage Charger With Power Path Management Evaluation Board 评估 Renesas