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SC8801
SC8801 High Efficiency, Synchronous, 4-Switch Bi-Directional Buck-Boost Charge Controller
Introduce
 

The SC8801 is a synchronous four-switch buck-boost charge controller which also supports reverse operation. It can charge a battery at, above or below the input voltage range. It also supports buck-boost conversion in reverse direction with dynamic output voltage control function.The SC8801 operates over a wide input voltage range from 2.7 V to 40 V (42 V maximum) to support a variety of applications.The SC8801 employs current-mode control both in buck and boost modes of operation for superior load and line regulation. The switching frequency is programmed by an external resistor.The SC8801 supports bi-directional operation, and the conduction direction can be controlled by DIR pin. It also offers programmable input and output current limit/monitor function and Dynamic Power Management. Other protection features include current limiting, input voltage regulation, output overvoltage protection (OVP), short circuit protection and thermal shutdown.The SC8801 is in a 32 pin 4x4 QFN package.

Function
 

●  Buck-Boost Charge controller

 

●  Buck-Boost Reverse Operation

 

●  Dynamic Output Voltage Control in Reverse Operation

 

●  Mode

 

●  Wide VIN Range: 2.7 V to 40 V, 42 V Maximum

 

●  Flexible VOUT Range: 1.2 V to 40 V

 

●  VOUT Short Circuit Protection

 

●  High Efficiency Buck-Boost Transition

 

●  Adjustable Switching Frequency

 

●  Integrated 2-A Gate Drivers

 

●  Cycle-by-Cycle Current Limit

 

●  Input and Output Current Limiting

 

●  Input and Output Current Monitor

 

●  Status Indication

 

●  Output Overvoltage Protection

 

●  QFN-32 Package

Application
 

●  Power Bank

 

●  USB Power Delivery

 

●  Type C Hub

 

●  Car Charger

 

●  Industrial applications

Consulting telephone : 4006803188
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