目录
一,产品概述(General Description) ![]() The JTMH6075 is a complete constant current/constant voltage linear charger for single cell lithium-ion batteries. Its package and low external component count make the JTMH6075 ideally suited for portable applications.Furthermore, the JTMH6075 is specifically designed to work within USB power specifications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. The charge voltage is fixed at 4.2V, and the charge current can be programmed externally with a single resistor. The JTMH6075 automatically terminates thecharge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached. The JTMH6075 converters are available in the industry standard DFN3*3-10L power packages (or upon request). 二.产品特点(Features) ![]() Programmable Charge Current up to 800mA No MOSFET, Sense Resistor or Blocking Diode Required Constant-Current/Constant-Voltage Operation with Thermal Regulation Maximize Charge Rate Without Risk of Overheating Charges Single Cell Li-Ion Batteries Directly from USB Port Preset 4.2V Charge Voltage with 1% Accuracy Automatic Recharge 2.9V Trickle Charge Threshold Available in DFN3*3-10L Package 三,应用范围 (Applications) ![]() Charger for Li-Ion Coin Cell Batteries Portable MP3 Players, Wireless Headsets Bluetooth Applications Multifunction Wristwatches 四.技术规格书下载(产品PDF) ![]()
五,产品封装图 (Package) ![]() ![]() 六.电路原理图 ![]() ![]() 七,功能概述 ![]() Input Supply Voltage …………...................................................................................... –0.3V ~ 7V CHRG1, CHRG2 Pin Voltage.......................................................................... – 0.3V ~ VIN + 0.3V VOUT Pin Voltage......................................................................................................... –0.3V ~ 7V VOUT Pin Current .................................................................................................................. 800mA ISET Pin Voltage........................................................................................................... –0.3V ~ 7V Operating Ambient Temperature Range (Note 2).................................................... –40℃ ~ +85℃ Maximum Junction Temperature............................................................................................. +150℃ Storage Temperature Range ………………….………………………….................. –65℃ ~ +125℃ Lead Temperature (Soldering, 10 sec)................................................................................... +265℃ 八,相关芯片选择指南 ![]()
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