The JTMH6009G is a complete constant current /constant volt

1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（产品PDF文档）
5.产品封装图 6.电路原理图 7.功能概述 8.相关产品

一,产品概述(General Description)

The JTMH6009G is a complete constant current /constant voltage linear charger for single cell lithium-ion batteries. Its package
and low external component count make the JTM6009G ideally suited for portable applications. Furthermore, the JTM6009G is specifically designed to work within USB power specifications.

The charge voltage is fixed at 4.22V, and the charge current can be programmed externally with a single resistor. The JTM6009G automatically terminates the charge cycle when the charge current drops to 1/10^th the programmed value after the final float voltage is reached.

The JTMH6009G converters are available in the industry standard SOP8-PP power packages (or upon request).

二.产品特点(Features)

Ø Programmable Charge Current up to 900mA

Ø No MOSFET, Sense Resistor or Blocking Diode Required

Ø Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate

Ø Charges Single Cell Li-Ion Batteries Directly from USB Port

Ø Preset 4.22V Charge Voltage with 1% Accuracy

Ø Automatic Recharge

Ø 2.8V Trickle Charge Threshold

Ø Available in SOP8-PP Package

三,应用范围 (Applications)

Ø Charger for Li-Ion Coin Cell Batteries

Ø Portable MP3 Players, Wireless Headsets

Ø Multifunction Wristwatches

Ø Bluetooth Applications

四.技术规格书下载（产品PDF）

JTMH6009G

五,产品封装图 (Package)

六.电路原理图

七,功能概述

Input Supply Voltage (VCC) ...................................................................................... –0.3V ～ 7V
PROG.......................................................................................................... –0.3V ～ VCC + 0.3V
BAT ...........................................................................................................................–0.3V ～ 7V
CHRG1, CHRG2........................................................................................................–0.3V ～ 7V
BAT Pin Current ................................................................................................................ 1A
Maximum Junction Temperature ....................................................................................... +150℃
Operating Ambient Temperature Range (Note 2)................................................–40℃ ～ +85℃
Storage Temperature Range ……………………………………………...............–65℃ ～ +125℃
Lead Temperature (Soldering, 10 sec)............................................................................... +265℃
八,相关芯片选择指南

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