Overview
Description
This is a single port reference design for implementing battery systems with 2 to 4 cells connected in series. This reference design supports a mode where power is only supplied from the USB Type-C® port and a mode that enables a power bank in combination with a lithium-ion battery with BMS.
Because there is some loss in the cable, onboard charger, and board, the USB PD controller requires appropriate USB-C input levels to the USB Type-C® source device to properly operate the battery system. Switches on this evaluation board allow you to select the number of batteries in series and the charging current.
The firmware (software) for this evaluation board is generated by an instruction tool called VIDWriter.
Features
- Function
- Up to 100W USB-C® Battery System Reference
- Can set Battery configuration and max charging current by SW on the board
- Benefit
- Simple design and high-performance
- Reference design makes 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 mode)
- Support 2 cells to 4 cells in series
- LED indicators
- USB-C Power supply indicator (1 LED)
- Switch
- Setting for battery configuration
- Max Charging current control
- Protections
- Over Voltage Protection (VBUS)
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Brochure | PDF 636 KB | |
| Application Note | PDF 3.14 MB | |
| Application Note | PDF 1.49 MB | |
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Design & Development
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Videos & Training
Getting Started with RTK-251-SinkCharger-ISL9238C
This video provides an introduction to the RTK-215-SinkCharger-ISL9238C Evaluation Board, featuring the "VIDWRITER" Instruction Tool. It highlights the board's capabilities in battery charging (Sink operation) and powering external devices (Source operation), demonstrating its versatility and functionality.
Video List
