Overview
Description
This is a single-port reference design for implementing battery systems with 2 to 7 cells connected in series. It supports two modes: one where power is supplied solely from the USB Type-C® port, and another that enables a power bank function in combination with a lithium-ion battery with a Battery Management System (BMS).
Due to losses in the cable, onboard charger, and board, the USB Power Delivery (USB PD) controller requires appropriate USB-C input levels from the USB Type-C source device to operate the battery system effectively. Switches on this evaluation board allow you to select the number of batteries in series and the charging current.
The firmware for this evaluation board is generated using an instruction tool called VIDWriter.
Features
- Up to 100W USB Type-C® battery system reference design can set battery configuration and max charging current by software on the board
- High-performance and simple design make the development easier
- USB Power Delivery and USB Type-C
- Single USB Type-C port
- Power role: Sink Only or Dual Role Power (both Sink and Source modes)
- Support 2 to 7 cells in series
- USB-C power supply indicator (1 LED)
- Switch
- Setting for battery configuration
- Maximum charging current control
- Overvoltage protection (VBUS)
- USB TID Certification: 10665 RTK-251-SinkCharger/Power Bank
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Manual - Development Tools | PDF 2.26 MB | |
| Manual - Software | PDF 1.17 MB | |
| Product Brief | PDF 810 KB | |
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Design & Development
Processing table
RTK0EUG011DK9020BJ Active Samples Available |
RTK-251-SinkCharger-RAA489118 + Flash Programmer Adapter Set | Get Samples, |
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Videos & Training
Getting Started with RTK-251-SinkCharger-RAA489118
This video introduces the RTK-215-SinkCharger-RAA489118 evaluation board. It provides an introduction to the VIDWriter instruction tool and demonstrates battery charging in sink operation, as well as charging external devices in source operation.
Video List
