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3A同步降压型多节充电管理IC--ZCC6688
作者:管理员    发布于:2019-08-16 14:56:23    文字:【】【】【
General Description
The ZCC6688 is a 2A Li-Ion battery charger. It utilizes
a 500KHz synchronous buck converter topology to
reduce power dissipation during charging. Low power
dissipation, an internal MOSFET allow a physically
small charger that can be embedded in a wide range
of handheld applications. The ZCC6688 includes
complete charge termination circuitry, automatic
recharge and a ±1% 4.2V / 8.4V / 12.6V float voltage.
Battery charge current, charge timeout and end-of
charge indication parameters are set with external
components. Additional features include shorted cell
detection; temperature qualified charging and
overvoltage protection. The ZCC6688 is available in a
low profile ESOP8 and package.
Features
‹ Input voltage range 4V~20V
‹ Dynamic input current allocation for maximum
charging rate
‹ 3.0A Maximum Charge Current
‹ No External MOSFETs and Blocking Diode
Required
‹ Efficiency up to 90%
‹ Constant-Current/Constant-Voltage Operation
with Thermal Regulation to Maximize Charge
Rate Without Risk of Overheating
‹ Optional Battery Temperature Monitoring Before
and During Charge Automatic Sleep Mode for
Low-Power
‹ Over Current Protection
‹ Consumption Available in ESOP8
‹ RoHS Compliant and 100% Lead (Pb)-Free
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