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SOUTHCHIP/南芯 SC5008 QFN19 用于高度集成无线功率发射机的15W电压/电流解调全桥功率级
Descriptions
The SC5008 is a highly integrated analog-front-endthat contains all of the analog components required toimplement a wireless power transmitter compliant withWPC specifications. The device integrates a full-bridgepower stage with low-RDS(on) MOSFETs, gate drivers,5V & 3.3V LDOs, communication demodulators andinput current sensing circuit. It can work with atransmitter controller to create a high-performance andcost-effective wireless power transmitter system thatcomplies with both the WPC V1.3.2 Baseline PowerProfile (BPP, not more than 5W) and Extended PowerProfile (EPP, up to 15W).
The wireless power transmitter system supportsforeign object detection (FOD) by continuouslymonitoring the amount of power transferred andcomparing it to the amount of received power, asreported by the power receiver. In order to do this, theSC5008 measures the input DC current veryaccurately using a current sense amplifier. The built-in5V and 3.3V LDOs can power both the internal andexternal circuits. Besides, the SC5008 supports undervoltage lockout (UVLO), over-current & short-circuitprotection (OCP & SCP) and over-temperatureprotection (OTP). The protections significantlyenhance the reliability of the whole wireless powertransmitter system.
The SC5008 is available in a compact 3mm x 4mmQFN package.
Features
● Input voltage range: 3.2V-17V
● Support up to 15W power transfer
● Integrated four 12mohm Ros(on) power MOSFETs
● Integrated FET drivers and bootstrap circuits
● Integrated 5V- 100mA and 3.3V- 80mA LDOs
● Integrated accurate current sense for FOD
● Integrated voltage and current demodulators
● Compatible with 3.3V and 5V PWM logical signals
● Support various types of power transmitter design in the WPC V1.3.2
● UVLO/OCP/SCP/OTP
● 3mm x 4mm QFN package
Applications
● WPC Compliant Wireless Power Transmitters
● Proprietary Wireless Power Transmitters
● General Wireless Power Chargers for Consumer, Industrial and Medical Applications
产品规格书（部分）
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