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FUSB3307 is a highly integrated USB Power Delivery (PD) power source controller that can control a DC−DC port power regulator or the opto−coupler in the secondary side of an AC−DC adapter. It implements the Source finite state machines of USB Power Delivery 3.0 (PD3.0) and Type−C™ which includes Programmable Power Supplies (PPS). In order to meet the PPS specification, FUSB3307 supports minimum 3.3 V and maximum 21 V output voltage control. It includes Constant Voltage (CV) and Constant Current Limit (CL) control blocks. The references are supported from internal D/A
converters.
FUSB3307 supports various protections, Under Voltage Protection (UVP), Over Voltage Protection(OVP), Over Current Protection (OCP), CC1 and CC2 Over Voltage Protection (CC_OVP), VCONN Over Current Protection (VCONN_OCP), and internal and external
Over Temperature protection (I_TOP and E_OTP). With a 10−bit A/D converter, output voltage, output current, IC internal temperature and external temperature via an NTC resistor can be monitored.
FUSB3307 is capable of controlling a single or back−to−back N−Channel MOSFETs as a load switch, which results in a low cost and easier design.
特性
优势
PD 3.0 v1.2 and Type−C r1.4 Compliant
Compliant to the latest USB PD standards
Constant Voltage (CV) and Constant Current Limit (CL) Regulation
Improved efficiency
Small Current Sensing Resistor (5 m) for High Efficiency
Integrated functionality
Gate Driver for N−Channel MOSFET as a Load Switch
Protection from erroneous stresses
CC1/CC2 Pin Protection up to 26 V
Improved performance
Built−in Cable−Drop Compensation
Compatible with legacy standards
Selectable Resistor Divider or Battery Charging (BC1.2) Modes
Integrated functionality
Built−in Output Capacitor Bleeding Function for Fast Discharge
Flexible protection
Adaptive UVP, Adaptive OVP, OTP and VBUS Fault Detection
应用
终端产品
Battery Wall Chargers for Tablet PC’s and Laptops
AC−DC PD3.0 Compliant Adapters
DC−DC Car Chargers for Individual Port Power Control
2022年10月4-6日
