PRODUCT CENTER
SC8571
2-Cell High Efficiency 8-A Switched Capacitor Direct Charger
Introduce
 

SC8571 is a 98.65% peak efficiency, 8-A battery charging solution using a switched cap architecture. The switched cap architecture and the integrated FETs are optimized for 50% duty cycle operation, allowing the cable current to be half the current delivered to the battery, reducing the losses over the charging cable as well as limiting the temperature rise in the application. SC8571 adopts 80pin CSP 3.425mm X 4.151mm package.

Function
 

●  Dual-phase charger pump

   √ 8-A output current capability

   √ Up to 98.65% efficiency

   √ Up to 12-A charging current for parallel charging with dual synchronized SC8571

 

●  5-way switched cap switch protection

   √ VBUS2OUT_ERRORHI protection before switching

   √ VBUS2OUT_ERRORLO protection before switching

   √ CFLY short protection before switching

   √ VPMID2OUT_OVP during switching

   √ VPMID2OUT_UVP during switching

 

●  11-way system protection

   √ VAC1_OVP

   √ VAC2_OVP

   √ VBUS OVP

   √ IBUS_OCP

   √ IBUS_UCP

   √ VOUT_OVP

   √ VBAT_OVP

   √ IBAT_OCP

   √ TSBUS_FLT

   √ TSBAT_FLT

   √ TSHUT

 

●  5-way system alarm

   √ VBUS_OVP_ALM

   √ VBAT_OVP_ALM

   √ IBAT_OCP_ALM

   √ TSBUS_TSBAT_ALM

   √ TDIE_ALM

 

●  10-channel 12-bit ADC

   √ VAC1, VAC2, VBUS, IBUS, VOUT, VBAT, IBAT, TSBUS, TSBAT, TDIE

Application
 

●  Smartphones

 

●  Tablet PCs

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