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可支持单节,双节开关型降压型充电芯片,最大电流3A-ZCC6688
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General Description
The ZCC6688 is a 3A 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 floatvoltage.
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 ESOP10 package.
Features
Input voltage range 4V~10V
Dynamic input current allocation formaximum
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 MonitoringBefore
and During Charge Automatic Sleep Mode for
Low-Power
Over Current Protection
Consumption Available in ESOP10
RoHS Compliant and 100% Lead (Pb)-Free
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