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The RT7860 is a USB Type-C Power Delivery (USBC PD) and PWM buck-boost controller with highly integrated functions and flexibility for USB PD provider applications. The IC has an embedded ARM CortexTM-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 overvoltage protection (VBUS OVP), VIN undervoltage protection (VIN UVP), VIN overvoltage protection (VIN OVP), VO undervoltage 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 RT7860 can offer an excellent USB PD solution for a USB-PD Provider application with few external components and simple PCB layout.

The recommended junction temperature range is -40°C to 125°C, and the ambient temperature range is -40°C to 85°C.

Applications

  • USB Type-C Power Delivery Car Charger
Key Spec.
RT7860
Status Active
Policy Manager Integrated
Alternate Mode No
PD Version PD2.0;PD3.0;PPS
MCU Integrated Yes
Power Role Provider
Data Role Dual Role
External Power Path Control N-MOSFET Driver
Internal Power Path VCONN 5V 20mA
Iq (Typ) (μA) 120
Realtime VBUS Monitoring Yes
Dead Battery Support No
PWM Controller Buck Boost
Max Output Voltage (V) 22
Syn. Rectifier Yes
CC Pins 2
VBUS Discharge By BLD;By VBUS
Features Adjustable Frequency;Adjustable Soft-Start;Constant-Current Regulation;Enable Input;OCP;OVP;SCP;UVP;VBUS OVP
Package Type WQFN6x6-48
Features
  • Support USB Type-C Power Delivery (PD) Provider
  • Type-C, USB PD and Communication Protocols
    ► Compliant with USB PD 3.1 Specification, USB Type-C Cable and Connector Specification 2.1
    ► VCONN Output 100mW
    ► Support Other Proprietary Communication Protocols through Internal MCU, DP and DM Pins
  • Integrated PWM Buck-Boost Controller (Support Up to 65W)
    ► Wide Input Voltage Range: 4.5V to 30V
    ► Wide Output Voltage Range: 3.3V to 21V
    ► Peak-Current Mode PWM Operation
    ► Internal Compensation for CV, CC
    ► Programmable PWM Switching Frequency (200kHz to 600kHz)
    ► Pulse-Skipping Mode for Light-Load Efficiency; Selectable Forced CCM Operation
  • AnyPowerTM for Constant Voltage Output and Constant Current Output
  • PD Safe®
    ► Adjustable Converter Input Overcurrent Limit (INOC)
    ► Fast Response VIN OVP/UVP Detection
    ► Programmable VBUS OVP and VO UVP
    ► Fast Response OVP for CC1/2 and D+/D-
    ► Adjustable External OTP/Internal OTP
    ► CC1/2 Output Current Limit
    ► CC1/2, D+/D- 25V Tolerant
  • Cable Voltage Drop Compensation for VBUS
  • Switching Frequency Synchronization for Better EMI
  • Adjustable Gate Drive Current for Better EMI
  • Firmware-based Functions
    ► VIN De-Rating and Power Sharing
  • Master and Slave I2C Interfaces, LED Drivers, GPIOs
  • Built-in Output Bleeders for Quick VBUS Discharge
  • EN Control for Power Saving
  • Built-in Charge Pump for Driving Cost-Effective N-MOSFETs
  • Built-in Internal LDO
  • Online Firmware Update via Slave I2C Interface or CC1/2 Interface
  • Available in WQFN-48L 6x6 Package
Datasheet
TitleLast UpdateDownload
USB Type-C PD and PWM Buck-Boost Controller with AnyPower™ and PD Safe® Features2023/07/04
Please confirm with our distributor or sales representative for actual stock status.
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