RT7880B RICHTEK | Alldatasheet

Document overview

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Technical content

Features

l ll ll Support USB Type-C Power Delivery (PD) Provider Application l ll ll Type-C, USB PD and Communication Protocols } }} }} Compliant with USB PD 3.0 Specification, USB Type-C Cable and Conne ctor Specification 1.2 } }} }} Alternate Mode and VCONN Output } }} }} Support Other Proprietary Communication Protocols through Internal MCU, DP and DM Pins l ll ll Integrated PWM Buck Controller } }} }} Wide Input Voltage Range : 4V to 36V } }} }} Peak-Current Mode PWM Operation } }} }} Programma ble PWM Switching Frequency (200kHz to 600kHz) } }} }} Pulse-Skipping Mode for Light-Load Efficiency; Selectable Forced CCM Operation l ll ll AnyPower TM for Constant Voltage Output (15.6 or 23.4mV/step, typ.) and Constant Current (in 9-Bit Resolution) Output Settings l ll ll PDsafeTM } }} }} Adjustable Converter Input Current Limit } }} }} Programma ble VBUS OVP and VO UVP } }} }} Adjustable External OTP } }} }} VCONN1/2 Output Current Limit l ll ll Cable Voltage Drop Compen sation for VBUS l ll ll Ma ster and Slave I2C Interfaces l ll ll GPIOs for MUX Control or Customized Functions l ll ll Built-in Output Bleeders for Quick VBUS Discharge l ll ll Built-in Charge Pump for Driving Cost-Effective N- MOSFET s l ll ll Available in WQF N-40L 5x5 Package l ll ll Online Firmware Update via Slave I2C Interface

Applications

l De sktop PC, LCD Monitor, LCD TV l Docking Station, Portable Hard Disk l USB Car Charger, USB Power Bank USB T ype-C PD and PWM Buck Controller with AnyPower TM and PDsafeTM Features

Ordering Information

Note : Richtek products are : } RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. } Suitable for use in SnPb or Pb-free soldering processes. Marking Information R T7880BGQW : Product Number YMDNN : Date Code RT7880B Package Type QW : WQFN-40L 5x5 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) RT7880B GQW YMDNN