Renesas ISL8204MEVAL1Z

Overview

ISL8204MEVAL1Z from Renesas Electronics is an evaluation board designed to characterize the ISL8204M point-of-load (POL) DC/DC power module in real-world conditions. It supports input voltages from 1V to 20V, delivers up to 4A output current at 0.6V–6V, and enables rapid voltage setting via R1 resistor selection (e.g., 6.49kΩ for 1.5V). Engineers use it to validate efficiency, output ripple/noise, and transient response in FPGA, ASIC, and microprocessor core supply applications.

For engineers reviewing the ISL8204MEVAL1Z datasheet, ISL8204MEVAL1Z pinout, ISL8204MEVAL1Z application, or ISL8204MEVAL1Z equivalent, this board provides direct access to critical test points (C3 for VIN, C8 for VOUT), configurable PVCC biasing (via S1), on/off control (via S2), and external compensation network pads - all essential for accurate POL module validation under wide-input, multi-rail power system requirements.

Technical Context

The ISL8204MEVAL1Z implements a complete test platform for the ISL8204M POL module, integrating input/output filtering (CIN/COUT), current-sense resistor (RSEN-IN = 2.87kΩ), feedback divider (R1/R2/R3), and snubber network (R18/C18/C19). Its dual-bias architecture supports both direct VIN-to-PVCC connection (for 5V/12V inputs) and external PVCC sourcing (6.5V–14.4V) when operating across the full 1V–20V input range.

It includes dedicated hardware for power-up sequencing (R15–R17, Q2/Q3), type-3 compensation pads (R13/R14, C12–C15), and overcurrent trip configuration (R4 = 2.87kΩ). Measurement interfaces follow best practices: short-loop probing at C8 for ripple/noise, Kelvin connections at C3/C8 for efficiency calculation, and isolated current/voltage metering paths per AN1386 Rev 1.00.

Key Specifications

Availability

ISL8204MEVAL1Z is available at Aetrix Electronics and suitable for FPGA power validation, ASIC core rail testing, and microprocessor VDDQ/VCCINT evaluation requiring stable component supply, traceable sourcing, and documented measurement methodology.

Supply support for ISL8204MEVAL1Z 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 is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT applications.

The ISL8204MEVAL1Z belongs to Renesas' precision power evaluation platform family, engineered specifically to accelerate adoption and validation of their ISL820xM POL modules in high-density, multi-rail embedded power systems.

FAQ

What is the primary function of the ISL8204MEVAL1Z?

The ISL8204MEVAL1Z is a dedicated evaluation board for the ISL8204M point-of-load DC/DC module. It provides a ready-to-use platform with pre-configured input/output filtering, voltage-setting resistors, bias switching (S1), enable control (S2), and calibrated test points to measure efficiency, ripple/noise, and transient response - eliminating custom PCB design for initial ISL8204M validation.

Does the ISL8204MEVAL1Z support input voltages below 5V?

Yes, the ISL8204MEVAL1Z supports input voltages from 1V to 20V as specified in AN1386 Table 2. For inputs below 5V or above 14V, an external PVCC bias source (6.5V–14.4V) must be connected via S1-down position; the board includes necessary routing and terminals for this configuration.

How is output voltage adjusted on the ISL8204MEVAL1Z?

Output voltage on the ISL8204MEVAL1Z is set by changing the resistance value of R1, which forms the upper leg of the feedback divider. Per Table 3, a 6.49kΩ resistor yields 1.5V; other values (e.g., 4.87kΩ for 1.8V, 3.09kΩ for 2.5V) allow precise adjustment across the 0.6V–6V range without modifying the ISL8204M module itself.

What measurement capabilities does the ISL8204MEVAL1Z provide out of the box?

The ISL8204MEVAL1Z provides dedicated Kelvin test points at C3 (input) and C8 (output) for accurate efficiency calculation, a short-loop probe location at C8 for low-noise ripple/noise measurement, and accessible COMP/EN, FB, and PHASE nodes for loop stability and timing analysis - all aligned with AN1386 Rev 1.00 test procedures.

Is the ISL8204MEVAL1Z compatible with other ISL820xM modules?

The ISL8204MEVAL1Z is mechanically and electrically compatible with the ISL8201M and ISL8206M modules per AN1386's generic ISL820xMEVAL1Z description, but its onboard RSEN-IN resistor (2.87kΩ) and default R1 (6.49kΩ) are optimized for the ISL8204M's 4A rating and 0.6V–6V output range; swapping modules requires verifying current-sense and feedback resistor values.