Renesas RTKA210130DE0020BU

Overview

RTKA210130DE0020BU from Renesas Electronics is an evaluation board for the RAA210130 30A synchronous step-down DC/DC power module, integrating digital PWM controller, smart power stage, inductor, and passives. It operates from 4.75V–15V input, delivers adjustable 0.6V–3.3V output at up to 30A, achieves 96.3% efficiency, and supports PMBus configuration via PowerNavigator™ software.

For engineers reviewing the RTKA210130DE0020BU datasheet, RTKA210130DE0020BU pinout, RTKA210130DE0020BU application, or RTKA210130DE0020BU equivalent, this board enables rapid validation of high-density, airflow-free power delivery in server, telecom, and FPGA applications - with programmable soft-start, UVLO, PGOOD, and thermal monitoring.

Technical Context

The RTKA210130DE0020BU implements the RAA210130's proprietary digital synthetic current modulation scheme, enabling industry-leading transient response and full-load efficiency tuning without hardware changes. It supports FPWM/CCM default operation, 500kHz switching (configurable up to 1.25MHz), and pre-bias startup.

This 6-layer FR4 board (3.8″ × 3.5″, 2oz copper) integrates all peripheral circuitry for evaluating PMBus commands, fault reporting (overcurrent/overvoltage/over-temperature), and dynamic VOUT transition rate control - all accessible via ISLUSBEVAL1Z dongle and PowerNavigator GUI using I²C address 0x60.

Key Specifications

Availability

RTKA210130DE0020BU is available at Aetrix Electronics and suitable for server power delivery, telecom base station DC-DC conversion, FPGA/ASIC core voltage regulation, and high-density embedded computing requiring stable component supply and fast design validation cycles.

Supply support for RTKA210130DE0020BU includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.

The RTKA210130DE0020BU belongs to Renesas' high-current digital power module evaluation platform, designed to accelerate adoption of integrated, thermally robust, and software-configurable DC/DC solutions for next-generation compute and communications systems.

FAQ

What is the primary function of the RTKA210130DE0020BU?

The RTKA210130DE0020BU is an evaluation board specifically built to demonstrate and validate the RAA210130 30A digital step-down power module. It provides complete peripheral circuitry, test points, load transient capability, and PMBus interface - enabling engineers to evaluate efficiency, transient response, thermal performance, and configuration flexibility of the RAA210130 without designing a custom PCB. RTKA210130DE0020BU supports both internal and external bias supplies and ships configured for 0.85V output.

Does the RTKA210130DE0020BU require external cooling to deliver 30A?

No - the RTKA210130DE0020BU is validated to deliver full 30A output at +25°C ambient temperature with zero airflow (0LFM), thanks to its optimized 6-layer layout, 2oz copper, and thermally enhanced RAA210130GBG#AD0 module in a 10mm × 13mm × 7.8mm BGA-PoP package. Derating curves in the manual define safe operating current at elevated ambient temperatures, but no heatsink or forced air is needed under baseline conditions. RTKA210130DE0020BU's thermal design eliminates reliance on external cooling for typical lab and prototype validation.

How is the RTKA210130DE0020BU configured for different output voltages?

The RTKA210130DE0020BU uses resistor-based configuration IDs (RCONFIG) mapped to specific VOUT values - e.g., 0Ω for 3.3V, 1650Ω for 1.00V, 2320Ω for 0.85V - per Table 1 in the manual. To change output voltage, users replace resistors like R14/R15/R17 per the schematic (Figure 8). The board also supports full digital reconfiguration via PowerNavigator™ software, allowing runtime adjustment of VOUT, soft-start time, TON/TOFF delay, and fault thresholds without soldering. RTKA210130DE0020BU stores up to 28 user-defined configurations in NVM.

Which software and hardware are required to program the RTKA210130DE0020BU?

Programming the RTKA210130DE0020BU requires Renesas PowerNavigator™ software (free download) and the ISLUSBEVAL1Z USB-to-PMBus dongle. The board features a 6-pin male PMBus connector compatible with the dongle. Once connected, PowerNavigator detects the RAA210130 at I²C address 0x60 and enables full read/write access to telemetry registers, configuration parameters, and fault logs. No additional debug probes or compilers are needed - RTKA210130DE0020BU is ready for out-of-box configuration and monitoring.

Can the RTKA210130DE0020BU be used for pre-biased output startup testing?

Yes - the RTKA210130DE0020BU fully supports pre-biased startup, a critical feature for hot-swap and multi-rail sequencing applications. Figure 32 in the manual shows the validated waveform where the RAA210130 starts into a pre-existing 0.9V output without reverse current or overshoot. This behavior is enabled by internal circuitry in the RAA210130 and requires no external components or jumper settings on the RTKA210130DE0020BU. Engineers can directly probe TP3/TP4 during startup to verify clean, controlled ramp-up under pre-bias conditions.