Renesas ISL8010EVAL1

Overview

ISL8010EVAL1 from Renesas Electronics is a Rev A evaluation board designed to demonstrate and validate the ISL8010 monolithic 600mA synchronous buck DC/DC converter in MSOP-10 packaging. It supports output voltages from 0.8V to 5.5V, operates at up to 12MHz switching frequency via SYNC input, delivers up to 95% efficiency, and features power-good (PG) monitoring and automatic PFM/PWM mode transition for light-load optimization.

For engineers reviewing the ISL8010EVAL1 datasheet, ISL8010EVAL1 pinout, ISL8010EVAL1 application, or ISL8010EVAL1 equivalent, this board enables rapid characterization of voltage regulation performance, load transient response, thermal behavior, and synchronization capability under real-world bench conditions with minimal external setup.

Technical Context

The ISL8010EVAL1 implements a complete reference design for the ISL8010 IC, including all critical passive components (1.8µH inductor, 10µF/1µF ceramic capacitors), MOSFETs (2N7002), feedback resistors (124kΩ/100kΩ), and interface elements (ENABLE switch S1, SYNC test point P1, PG test point P3). It provides Kelvin connections (J1, J2) for accurate LX and VOUT waveform measurement.

Board-level features include single-sided component placement, <1.1mm profile, binding posts (P4–P8) for stable DC input/output connections, and test points aligned to key internal nodes-enabling precise validation of startup timing, PG assertion delay, hiccup-mode overcurrent protection, and shutdown current (<1µA).

Key Specifications

Availability

ISL8010EVAL1 is available at Aetrix Electronics and suitable for power management validation, DC/DC converter qualification, and embedded system bring-up requiring stable component supply, repeatable test environments, and documented reference schematics.

Supply support for ISL8010EVAL1 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 manufacturer delivering high-performance analog, power, and embedded processing solutions for industrial, automotive, and consumer applications.

The ISL8010EVAL1 belongs to Renesas' General Purpose Power Management evaluation platform family, engineered to accelerate adoption of monolithic DC/DC converters by providing fully assembled, characterized, and documented hardware for immediate lab evaluation.

FAQ

What is the primary function of the ISL8010EVAL1?

The ISL8010EVAL1 is a dedicated evaluation board for the ISL8010 synchronous buck regulator. It provides a ready-to-use platform to verify electrical performance-including output regulation accuracy, efficiency across load range, transient response, and protection behavior-without requiring custom PCB design or component selection. The ISL8010EVAL1 includes all necessary passives, layout-optimized routing, and accessible test points to streamline validation of the ISL8010 in target applications.

Does the ISL8010EVAL1 support adjustable output voltage?

Yes, the ISL8010EVAL1 is configured for 1.80V output using R1 (124kΩ) and R2 (100kΩ) in the feedback divider, but it supports adjustment across the ISL8010's full 0.8V–5.5V range by replacing these resistors. The board's schematic and bill of materials (Table 3 in AN1205) specify footprint locations and values required for reconfiguration, enabling direct validation of custom output settings without layout modification.

How is synchronization implemented on the ISL8010EVAL1?

Synchronization is enabled via test point P1, which connects directly to the ISL8010's SYNC pin. Applying an external clock signal (1.4–12MHz) to P1 forces the ISL8010 into synchronized PWM mode; pulling P1 low selects auto PFM/PWM mode; and leaving it floating defaults to free-running 1.4MHz operation. This allows engineers to evaluate noise reduction in multi-rail systems using the ISL8010EVAL1 before integrating into final designs.

What protection features can be tested using the ISL8010EVAL1?

The ISL8010EVAL1 enables verification of hiccup-mode overcurrent protection and over-temperature shutdown as specified in the ISL8010 datasheet. By increasing load current beyond 600mA or heating the U1 IC region, users can observe automatic shutdown and recovery cycles via VOUT collapse and PG deassertion. These behaviors are observable at binding post P7 (VOUT) and test point P3 (PG), confirming functional safety mechanisms in the ISL8010EVAL1 implementation.

Is the ISL8010EVAL1 RoHS compliant and lead-free compatible?

Yes, the ISL8010EVAL1 uses RoHS-compliant components throughout, including the ISL8010IC (Pb-free plus anneal package), ceramic capacitors, thick-film resistors, and 2N7002 MOSFETs. Its assembly adheres to IPC/JEDEC J-STD-020 moisture sensitivity and Pb-free reflow profiles, making it suitable for both SnPb and lead-free soldering processes-consistent with Renesas' stated compliance for ISL8010IYZ and related variants referenced in the original documentation.