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Renesas Electronics RTK-251-1PowerBank3 Board | New Product Brief

April 12, 2019 by Mouser Electronics

Renesas Electronics’ RTK-251-1PowerBank3 is a reference board for a 3 cell lithium ion battery power bank based on a Renesas USB Power Delivery Controller and a Buck-Boost NVDC charger.

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

Renesas Electronics RTK-251-1PowerBank3 Board

Renesas Electronics’ RTK-251-1PowerBank3 is a reference board for a 3 cell lithium ion battery power bank based on a Renesas USB Power Delivery Controller and a Buck-Boost NVDC charger.  

The R9A02G011 controller supports USB Power Delivery and USB Type-C standards, including Dual Role operation with support for Try.SRC to ensure a proper power relationship with other dual-role devices.  

This enables the use of a single USB Type-C port that can be used to charge the batteries from a source or provide power to a connected device. The board can request 5V, 9V, 15V, or 20V and sink up to 60W.  

As a source, it can supply at 5V, 9V, 12V, 15V, and 20V at up to 45W with sufficient power budget in the connected battery.  

The reference board also includes over temperature, over voltage, and over current protections.

  • R9A02G011 USB Power Delivery Controller
  • ISL95538B Buck-Boost NVDC Charger
  • Power Role: Dual Role (Supports Try.SRC mode)
  • Sink: 5V, 9V, 15V, 20V at up to 60W
  • Source: 5V, 9V, 12V, 15V, 20V at up to 45W
  • Protections: Over temperature, over voltage, over current

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