RTQ7880-QT USB Type-C PD and PWM Buck-Boost Controller with AnyPower and PDsafe Features datasheet
■ The RTQ7880-QT is a USB Type-C Power Delivery (USB- C PD) and PWM buck-boost controller with highly integrated functions and flexibility for USB PD provider applications. The IC has an embedded ARM Cortex TM -M0 MCU, which handles various functions of communication protocol, smart control of the PWM converter, firmware- based protections, and customized functions. The IC features hardware-based protections, such as inductor peak current limit, VBUS over-voltage protection (VBUS OVP), VO under-voltage protection (VO UVP), and VCONN current limit protection, so that the protections have faster responses and can still function even when the MCU is not activated. The RTQ7880-QT can offer an excellent USB PD solution for a USB-PD Provider application with few external components and simple PCB layout. 2019
●Features:
■ Support USB Type-C Power Delivery (PD) Provider Application
■ AEC-Q100 Grade 2 Qualified
■ Operating Ambient Temperature : −40°C to 105 °C
■ Type-C, USB PD and Communication Protocols
▲ Compliant with USB PD 3.0 Specification, USB Type-C Cable and Connector Specification 1.2
▲ Alternate Mode and V CONN Output
▲ Support Other Proprietary Communication Protocols through Internal MCU, DP and DM Pins
■ Integrated PWM Buck-Boost Controller
▲ Wide Input Voltage Range : 4V to 36V
▲ Peak-Current Mode PWM Operation
▲ Programmable PWM Switching Frequency (200kHz to 600kHz)
▲ Pulse-Skipping Mode for Light-Load Efficiency; Selectable Forced CCM Operation
■ AnyPower™ for Constant Voltage Output (15.6 or 23.4mV/step, typ.) and Constant Current (in 9-Bit Resolution) Output Settings
■ PDsafe™
▲ Adjustable Converter Input Current Limit
▲ Programmable VBUS OVP and VO UVP
▲ Adjustable External OTP
▲ VCONN1/2 Output Current Limit
■ Cable Voltage Drop Compensation for V-BUS
■ Master and Slave I²C Interfaces
■ GPIOs for MUX Control or Customized Functions
■ Built-in Output Bleeders for Quick V BUS Discharge
■ Built-in Charge Pump for Driving Cost-Effective N- MOSFETs
■ Available in WET-WQFN-48L 6x6 Package
■ Online Firmware Update via Slave I²C Interface
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Datasheet |
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Please see the document for details |
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WET-WQFN-48L |
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English Chinese Chinese and English Japanese |
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September 2019 |
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DSQ7880-QT-00 |
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74 KB |
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