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  • SC8813QDER

  • SC8813QDER

    SC8813 is a synchronous buck charger controller with
    reverse boost discharging function. It supports very wide
    input and output voltage range, suitable for applications of 1
    to 4-cell Li-ion battery.
    In charging mode, it steps down the input voltage and
    effectively charging the batteries as long as the input voltage
    is higher than battery voltage. SC8813 supports trickle
    charging, constant current (CC) charging and constant
    voltage (CV) charging management functions automatically.
    In discharging mode (reverse boost mode), SC8813 is able to
    output a boosted voltage up to 36V effectively.
    The SC8813 features I2C interface, so the user can easily set
    the charging/discharging mode and program the input current
    limit, output current limit and output voltage through I2C. It
    also supports DP/DM handshaking, the adapter insert
    detection function, load insert detection function, small
    current detection. Meantime, it offers a PMOS gate driver for
    external power path control, an open drain output for general
    purpose, and also a 10-bit ADC resource. The user can
    control all these functions through I2C. All these features help
    simplify the system design and reduce the BOM.
    The SC8813 supports under voltage lockout, over voltage
    protection, over current protection, short circuit warning and
    over temperature protections to ensure safety under different
    abnormal conditions.
    SC8813 adopts 32 pin QFN 4x4 package

    Power Bank
    Li-ion Battery Charger
    Fast Charge
    Smart USB Sockets



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商品描述

SC8813 is a synchronous buck charger controller with
reverse boost discharging function. It supports very wide
input and output voltage range, suitable for applications of 1
to 4-cell Li-ion battery.
In charging mode, it steps down the input voltage and
effectively charging the batteries as long as the input voltage
is higher than battery voltage. SC8813 supports trickle
charging, constant current (CC) charging and constant
voltage (CV) charging management functions automatically.
In discharging mode (reverse boost mode), SC8813 is able to
output a boosted voltage up to 36V effectively.
The SC8813 features I2C interface, so the user can easily set
the charging/discharging mode and program the input current
limit, output current limit and output voltage through I2C. It
also supports DP/DM handshaking, the adapter insert
detection function, load insert detection function, small
current detection. Meantime, it offers a PMOS gate driver for
external power path control, an open drain output for general
purpose, and also a 10-bit ADC resource. The user can
control all these functions through I2C. All these features help
simplify the system design and reduce the BOM.
The SC8813 supports under voltage lockout, over voltage
protection, over current protection, short circuit warning and
over temperature protections to ensure safety under different
abnormal conditions.
SC8813 adopts 32 pin QFN 4x4 package

Power Bank
Li-ion Battery Charger
Fast Charge
Smart USB Sockets



Charging management for 1 to 4 battery in series, including trickle charging, CC charging, CV charging and charging termination function 

Reverse boost mode operation 

Wide input voltage range (charging mode): VBAT to 36 V

Wide reverse output range (boost mode): VBAT to 36 V 

I2C Programmable charge current and voltage 

I2C Programmable discharging output voltage 

I2C Programmable input / output current limit 

High efficient buck/boost operation 

DP/DM fast handshaking for charging port 

Adjustable frequency from 150KHz to 450KHz 

10-bit ADC resources 

Charging status indication 

Event detections, including automatic adapter insert and automatic load insert detection, 

Power path control 

Under voltage protection, and over current protection

Short circuit indication and thermal shutdown protection 

QFN-32 package