Renesas ISL9104AIRUWEVAL1Z

Overview

ISL9104AIRUWEVAL1Z from Renesas Electronics is an evaluation board designed to test and validate the ISL9104AIRUWZ-T, a 1.2V fixed-output, 4.3MHz synchronous step-down regulator delivering up to 500mA. It features on-board input (VIN/GND) and output (VO/GND) connectors, JP1 enable/disable jumper, and pre-configured 1.2V output via factory-trimmed internal feedback.

For engineers reviewing the ISL9104AIRUWEVAL1Z datasheet, ISL9104AIRUWEVAL1Z pinout, ISL9104AIRUWEVAL1Z application, or ISL9104AIRUWEVAL1Z equivalent, this board enables rapid functional validation of the ISL9104AIRUWZ-T under real-world load, thermal, and transient conditions with minimal external setup.

Technical Context

The ISL9104AIRUWEVAL1Z implements the full reference design for the ISL9104AIRUWZ-T, including its 1.6×1.6 mm µTDFN-6 package layout, 1µH power inductor (L1), dual 4.7µF X5R input/output capacitors (C1/C2), and fixed 1.2V output configuration-where R1 = 0Ω and R2/C3 are unpopulated per BOM.

It supports input voltage from 2.7V or (VOUT + VDROP) up to 6.0V, operates across –40°C to +85°C ambient, and delivers regulated 1.2V at up to 500mA with high efficiency enabled by the integrated P-MOSFET and low-quiescent-current architecture.

Key Specifications

Availability

ISL9104AIRUWEVAL1Z is available at Aetrix Electronics and suitable for power management validation, DC-DC converter qualification, and embedded system bring-up requiring stable component supply and documented reference performance.

Supply support for ISL9104AIRUWEVAL1Z 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 manufacturer specializing in microcontrollers, analog power devices, and timing solutions for industrial, automotive, and consumer applications.

The ISL9104AIRUWEVAL1Z belongs to Renesas' precision DC-DC evaluation platform family, engineered to accelerate design-in of ultra-small, high-efficiency buck regulators targeting space-constrained portable and IoT edge devices.

FAQ

What is the primary function of the ISL9104AIRUWEVAL1Z?

The ISL9104AIRUWEVAL1Z is a dedicated evaluation board for the ISL9104AIRUWZ-T 1.2V fixed-output buck regulator. It provides a fully assembled, tested platform-including input/output connectors, enable jumper JP1, and optimized passive components-to verify regulation accuracy, efficiency, transient response, and thermal behavior without custom PCB development. The ISL9104AIRUWEVAL1Z enables immediate lab validation of the ISL9104AIRUWZ-T in target operating conditions.

Does the ISL9104AIRUWEVAL1Z support adjustable output voltage?

No-the ISL9104AIRUWEVAL1Z is configured exclusively for the 1.2V fixed-output variant (ISL9104AIRUWZ-T). Per the BOM and schematic in AN1522, R2 and C3 are unpopulated, and R1 is a 0Ω shunt, confirming factory-trimmed feedback. To evaluate adjustable operation, use ISL9104AIRUAEVAL1Z instead. The ISL9104AIRUWEVAL1Z does not support reconfiguration to other voltages without hardware modification.

What input voltage range is supported by the ISL9104AIRUWEVAL1Z?

The ISL9104AIRUWEVAL1Z supports input voltages from 2.7V up to 6.0V, as specified in AN1522 Section "Recommended Operating Conditions." This range accommodates common sources like single-cell Li-ion batteries (3.0–4.2V), USB ports (5V), and industrial 3.3V/5V rails. Exceeding 6.0V risks damage to the ISL9104AIRUWZ-T on the board, and operation below 2.7V may prevent regulation due to dropout constraints.

How is the ISL9104AIRUWEVAL1Z enabled or disabled?

The ISL9104AIRUWEVAL1Z uses jumper JP1 (1×3 header) for enable/disable control: placing the shunt across pins 1–2 activates the ISL9104AIRUWZ-T, while pins 2–3 disable it. This provides safe, tool-free IC control during testing. The EN signal is routed directly to the ISL9104AIRUWZ-T's EN pin per the schematic, matching the device's active-high logic. No external logic or pull-up is required-the ISL9104AIRUWEVAL1Z implements the exact enable interface defined for the ISL9104AIRUWZ-T.

What documentation accompanies the ISL9104AIRUWEVAL1Z?

The ISL9104AIRUWEVAL1Z is fully documented in Application Note AN1522 (Rev 1.00), which includes the complete schematic (Figure 1), top/bottom silkscreen and copper layer layouts (Figures 2–5), bill of materials (BOM), setup guide, and recommended test equipment. All files are publicly available from Renesas' website. No separate user manual or quick-start guide is shipped with the ISL9104AIRUWEVAL1Z-it relies entirely on AN1522 for operational and design reference.