3cell (series connected) Li-ion battery power bank reference board having one USB Type-CTM port.


  • USB Power Delivery and USB-Type-CTM
    • One USB-Type-CTM port
    • Power Role: Dual Role (Supports Try.SRC mode)
      • Power Source voltage (without PPS): 5, 9, 12, 15, 20V and up to two additional voltages.
      • Power Source voltage (with PPS): 5V and 5VProg.
      • Power Sink: 5 to 20V (Supports variable input)
    • Supports USB-Type-CTM Authentication Responder feature (RTK0EUG011D06010BJ only)
    • Supports USB Power Delivery Firmware Update feature (PDFU) (RTK0EUG011D06010BJ only)
  • Battery Charger
    • Battery type: Li-ion battery
    • Number of cells: 2, 3 or 4 series cells (Normal function: Default setting = 3 series cells)
    • Trickle Charging
  • 5 LEDs indicators
    • USB-Type-CTM port status indicator (1 LED)
    • Battery remaining capacity indicator (4 LEDs)
  • Protections
    • Over Temperature Protection (USB-Type-CTM Receptacle)
    • Over Voltage Protection (VBUS voltage)
    • Over Current Protection (VBUS current)

Product Options

Orderable Part ID Description Part Status Buy Sample
With USB Type-C™ Authentication Active
RTK-251-1PowerBank3 Active

Documentation & Downloads

Title Other Languages Type Format File Size Date
Application Notes & White Papers
RTK-251-1PowerBank3 Instruction Manual Application Note PDF 801 KB
RTK-251-1PowerBank3 (RTK0EUG011D06000BJ) Design Kit 日本語 Library ZIP 2.58 MB
RTK-251-1PowerBank3 with USB Type-C™ Authentication (RTK0EUG011D06010BJ) Design Kit 日本語 Library ZIP 2.59 MB