Renesas ISL78010EVAL1Z

Overview

ISL78010EVAL1Z from Renesas Electronics is an evaluation board designed to demonstrate the ISL78010 automotive-grade TFT-LCD power supply IC, supporting input voltage range of 3V–5V, delivering up to 20V on the main boost rail (VBST), and enabling precise sequencing of VLOGIC, VBOOST, VOFF, and VON rails for LCD bias generation.

For engineers reviewing the ISL78010EVAL1Z datasheet, ISL78010EVAL1Z pinout, ISL78010EVAL1Z application, or ISL78010EVAL1Z equivalent, this board provides validated test points (J1–J8), onboard passive components, configurable placeholders for charge pumps, compensation networks, and EMI snubbers - all optimized for automotive TFT-LCD power architecture validation and efficiency/ripple measurement per AN1523.

Technical Context

The ISL78010EVAL1Z implements a complete reference design for the ISL78010 32-pin TQFP IC, which integrates a 2A internal FET, programmable soft-start, thermal shutdown, and fault protection. It supports four-rail sequencing (VLOGIC–VBOOST–VOFF–VON or VLOGIC–VOFF–VBOOST–VON) with adjustable delay timing.

Test setup includes dedicated terminals for input (J1/J2), boost output (J6/J8), and auxiliary rails (J3/J4/J5 relative to J7 PGND), with measurement points at C9 (VBST output) and C10 (VIN input) to minimize PCB trace voltage drop during efficiency testing per Equation 1 in AN1523 Rev 0.00.

Key Specifications

Availability

ISL78010EVAL1Z is available at Aetrix Electronics and suitable for automotive display development, TFT-LCD power architecture validation, and DC-DC converter efficiency/sequencing characterization requiring stable component supply and documented test methodology.

Supply support for ISL78010EVAL1Z 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, and IoT applications, with strong emphasis on functional safety and AEC-Q100 compliance.

The ISL78010EVAL1Z belongs to Renesas' automotive power management evaluation platform family, engineered specifically to accelerate qualification of TFT-LCD bias supplies in infotainment and instrument cluster systems meeting ASIL-B requirements.

FAQ

What is the primary function of the ISL78010EVAL1Z evaluation board?

The ISL78010EVAL1Z evaluation board demonstrates the ISL78010 IC's capability as an automotive-grade TFT-LCD power supply controller. It validates four-rail sequencing (VLOGIC, VBOOST, VOFF, VON), efficiency performance, and ripple behavior under real-world load conditions. The board includes test points, passive components, and footprints for optional enhancements - all aligned with AN1523 Rev 0.00 test procedures for ISL78010EVAL1Z.

Which IC does the ISL78010EVAL1Z evaluate, and what package does it use?

The ISL78010EVAL1Z evaluates the ISL78010ANZ - a 32-lead 5×5 mm TQFP automotive power management IC with integrated 2A FET. The board mounts U1 as the ISL78010ANZ in its native RoHS-compliant package, preserving thermal and layout integrity for accurate system-level characterization of ISL78010EVAL1Z operation.

How is output voltage ripple measured on the ISL78010EVAL1Z?

Ripple/noise measurement on the ISL78010EVAL1Z is performed at the C9 capacitor terminal using the short-loop oscilloscope probe method to minimize ground loop pickup. This technique mitigates high-frequency noise artifacts and ensures repeatable ~50mVpp readings at ~1MHz switching frequency - a key verification step defined in AN1523 Rev 0.00 for ISL78010EVAL1Z.

Does the ISL78010EVAL1Z support efficiency measurement, and how is it configured?

Yes, the ISL78010EVAL1Z supports efficiency measurement using dedicated input (C10) and output (C9) voltage sensing points to avoid PCB trace losses. With input/output current monitored via external meters and loads, efficiency is calculated per Equation 1 in AN1523 Rev 0.00 - ensuring accuracy for ISL78010EVAL1Z validation across load conditions.

What auxiliary circuitry options are provided on the ISL78010EVAL1Z board?

The ISL78010EVAL1Z includes reserved footprints for three enhancements: (1) second-stage positive charge pump at VON rail, (2) external compensation network, and (3) snubber circuits for EMI reduction. These allow engineers to extend ISL78010EVAL1Z functionality beyond baseline operation while maintaining signal integrity and thermal stability.