The RTKA489000DE0000BU evaluation board is designed to demonstrate the performance of the RAA489000 buck-boost battery charger. From the PROG pin to GND, the resistor can be used to program the default value numbers of the battery in series, the switching frequency, and the adapter current limit charging function. The default value numbers can also be set by SMBus.


  • Buck-Boost NVDC charger for 2-, 3-, or 4-cell Li-ion batteries using all NFET transistors
  • USB-C Port Controller (TCPC) with integrated TCPC PHY, CC-Logic
  • Dual SMBus/I2C ports for charger programming and CC line traffic
  • Internal 500mΩ VCONN MUX for up to 1.6A
  • Input voltage range: 3.9V to 23.4V (no dead zone)
  • System/battery output voltage: 3.9V to 18.304V
  • 28V protection for CC1/CC2/VBUS
  • Adapter Crash Prevention with adapter current and battery current regulation
  • PROCHOT# and PSYS outputs, IMVP compliant
  • Support Intel VMIN Active Protection (VAP)
  • Internal 8-bit ADC for charger operation telemetry
  • Software configurable for DFP, UFP, or DRP
  • USB-C PD Sink Fast Role Swap (FRS) and PPS support
  • Pass-Through-Mode (PTM) in forward direction
  • Battery Ship mode - IC ultra-low power state
  • Supports JEITA compliance autonomous charge
  • Dynamic Voltage Compensation (DVC) support for multi-port charging applications
  • USB Power Delivery (PD) 3.0 and Programmable Power Supply (PPS) certified
  • 5x5 40 Ld QFN package
  • UL 2367, IEC 62368-1: File No. E520109



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Manual - Development Tools PDF 8.09 MB
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Design & Development

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PCB Design Files ZIP 3.54 MB
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