SC8815 DATASHEET
SOUTHCHIP SEMICONDUCTOR SOUTHCHIP CONFIDENTIAL
Copyright © 2017, Southchip Semiconductor Technology (Shanghai) Co., Ltd.
SC8815 High Efficiency, Synchronous, Bi-Directional Buck-Boost
Charger Controller with I2C Interface
1 Description
SC8815 is a synchronous buck-boost charger controller
which can support reverse discharging operation. It can
support up to 36V battery voltage, so can be used to
effectively manage the charging for 1~6 cell Li-ion
batteries no matter adapter voltage is higher, lower or
equal to battery voltage. When a system needs to
generate an output from the battery, SC8815 can also
discharge the cells and delivers desired output up to
36V.
Through its I2C interface, user can set the charging /
discharging mode easily, and program the charging
current, charging voltage, reserve output voltage,
current limits, switching frequency and other
parameters flexibly. Besides that, SC8815 integrates
10-bit ADC, so user can read the VBUS / VBAT voltage
and current in real time, simplifying the system design.
SC8815 supports internal current limit, over voltage
protection, output short protection and over temperature
protections to ensure safety under different abnormal
conditions.
The SC8815 is in a 32 pin 4x4 QFN package.
2 Features
• Buck-Boost Battery Charger for 1 to 6 Cell Batteries
• Charging Management including Trickle Charge,
CC Charge, CV Charge and Charge Termination
• Buck-Boost Reverse Discharging Mode
• Wide V
BAT
Range: 2.7 V to 36 V, 40V sustainable
• Wide V
BUS
Range: 2.7 V to 36 V, 40V sustainable
• I2C Programmable Charging Current and Voltage
• I2C Programmable Discharging Output Voltage
• I2C Programmable Input / Output Current Limit
• I2C Programmable Switching Frequency
• High Efficiency Buck-Boost Conversion
• 10-bit ADC resources
• Charging Status Indication
• Event Detections, including Automatic Adapter
Insert and Automatic Load Insert Detection
• Power Path Control
• Under Voltage Protection, Over Voltage Protection,
Over Current Protection, Short Circuit Protection
and Thermal Shutdown Protection
• QFN-32 Package
3 Applications
• Power Bank with Fast Charge Function
• USB Power Delivery
• Type C Hub
• Industrial Power Supplies
4 Device Information
Part Number
Package
Dimension
SC8815QDER
32 pin QFN
4.0mm x 4.0mm x 0.75mm
资源评论
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