Renesas Electronics RTK-251-1 PowerBank 3 Power Management for RTK-251

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)