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Southchip Semicon SC8906QFER product image
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Southchip Semicon SC8906QFERRoHS

Manufacturer
Southchip SemiconAsian Brands
MPN
SC8906QFER
LCSC Part #
C506249
Packaging
QFN-21(4x4)
Customer #
Key Attributes
500kHz Buck-Boost Adjustable 4.2V~17.4V QFN-21(4x4) Voltage Regulators - DC DC Switching Regulators RoHS
Datasheetpdf iconSouthchip Semicon SC8906QFER
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerSouthchip Semicon
PackagingQFN-21(4x4)
Operating Temperature-40℃~+150℃
Frequency - Switching500kHz
Number of Outputs1
FunctionBuck-Boost
FeaturesAdjustable current limiting;External compensation;Operating status indication;Overcurrent Protection;Built-in LDO regulator
Output TypeAdjustable
TopologyBuck-Boost
Operating Voltage2.7V~22V
Switch tube (built-in/external)Built-in
Output Voltage4.2V~17.4V
Output Current-
Quiescent Current1.5mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

SC8906 is a synchronous buck-boost charger converter. Four switches are integrated to simplify the system design. SC8906 employs current-mode control and can support very wide input and output voltage range. It can support applications from 2.7V to 22V VBUS range. It is able to effectively manage charging for 2 - 4 cell batteries no matter input/output voltage is higher, lower or equal to battery voltage. SC8906 supports input current limit, DPM (dynamic power management) function, and fast charging detecting. Charging voltage and current limit can be adjusted by external resistor. SC8906 supports internal current limit, under voltage protection, over voltage protection, output short protection and over temperature protections to ensure safety under abnormal conditions. The IC is in a 21 pin 4x4QFN package.

Features

AI Translation
  • Buck-Boost Battery Charger for 2 to 4 Cell Batteries 4.2V/4.35V/4.4V for 2 and 3 cells, 4.2V/4.35V for 4 cells
  • Charging Management: Trickle Charging, CC Charging, CV Charging, Charging Termination, Auto Recharge
  • Integrated Switches, 10mΩ for Q1/4, 20 mΩ for Q2/3
  • Wide VBAT Range: 2.7 V to 22 V, 25V sustainable
  • Wide VBUS Range: 2.7 V to 22 V, 25V sustainable
  • DP / DM Handshaking for Fast Charging Mode
  • Safety Timer
  • Programmable Current Limit
  • NTC Battery Temperature Protection
  • Charging Status Indication
  • Current Monitor
  • Under Voltage Protection, Over Voltage Protection, Over Current Protection
  • Short Protection and Thermal Shutdown Protection
  • QFN-21 4x4 Package

Applications

AI Translation
  • Power Bank with Fast Charge Function
  • USB Power Delivery
  • Battery Chargers