Overview
Description
The RTKA489118DE0000BU and RTKA489118DE0010BU evaluation boards are designed to evaluate the performance of the RAA489118. The default values for maximum and minimum output voltages, autonomous charging mode, and the adapter current limit charging function can be programmed using a resistor connected from the PROG pin to GND. These values can also be set via the SMBus.
The RAA489118 is a buck-boost charger that supports a 30V input and 30V battery. It provides charging and protection features for power tools, portable vacuums, battery-powered lawn mowers, and power banks, and provides additional system bus regulation for notebooks. It is compatible with any USB-C interface platform, including USB Power Delivery (USB PD) Extended Power Range (EPR). The advanced Renesas R3™ technology ensures highly efficient light-load operation and fast transient response.
Features
- Buck-boost charger for 2 to 7 cells up to 30V batteries
- Optional BFET
- Autonomous charging option (automatic completion of charging)
- Pass-through mode in a forward direction
- Adapter current and battery current monitor (AMON/BMON)
- Trickle charging of depleted battery
- Reverse buck, boost, and buck-boost operation from battery
- Battery Ship mode option
- SMBus and auto-increment I2C compatibility
Applications
- Power tools
- Portable vacuums
- Battery-powered lawn mowers
- Power banks
- Notebooks
Documentation
Featured Documentation
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| Type | Title | Date |
| Manual - Development Tools | PDF 4.86 MB | |
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Design & Development
Processing table
RTKA489118DE0010BU Active Samples Available |
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RTKA489118DE0000BU Active Samples Available |
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