Diodes Incorporated AP62150Z6-EVM

Overview

AP62150Z6-EVM from Diodes Incorporated is an evaluation module for the AP62150 4.2V–18V input, 1.5A synchronous buck converter. It implements the TSOT26-packaged IC with integrated 90mΩ high-side and 65mΩ low-side MOSFETs, 1.3MHz switching frequency, 135μA quiescent current in PFM mode, and proprietary EMI-optimized gate driver. The board supports adjustable 0.8V–7V output and is configured for 5V/1.5A operation per the typical application circuit.

For engineers reviewing the AP62150Z6-EVM datasheet, AP62150Z6-EVM pinout, AP62150Z6-EVM application, or AP62150Z6-EVM equivalent, this module enables rapid validation of transient response, efficiency, thermal behavior, and EMI performance under real load conditions - especially for point-of-load supplies in FPGA, consumer audio, and network systems requiring stable 5V/12V rails.

Technical Context

The AP62150Z6-EVM hosts the AP62150 IC operating in Constant On-Time (COT) control mode, delivering fast load-step response (<100μs recovery) and inherent loop stability without external compensation. Its layout implements optimized power routing, BST capacitor placement (100nF between BST–SW), and feedback divider (R1=52.3kΩ, R2=10kΩ) to achieve ±1% output regulation at 5V.

Thermal design follows Diodes' recommended pad layout for TSOT26: 2-layer FR-4 PCB with 2oz copper, achieving θJA ≈ 70°C/W. The board integrates all critical passive components - including 3.3μH shielded inductor, 10μF/22μF input/output capacitors, and 100nF BST capacitor - enabling direct measurement of efficiency, ripple (≤20mV pk-pk at 1.5A), and startup/shutdown timing (2.5ms soft-start).

Key Specifications

Availability

AP62150Z6-EVM is available at Aetrix Electronics and suitable for FPGA core voltage validation, consumer audio power sequencing, and network system PoL development requiring stable component supply, pre-validated thermal performance, and production-ready layout reference.

Supply support for AP62150Z6-EVM 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.

The AP62150Z6-EVM belongs to Diodes' Power Management Evaluation Platform series, designed to accelerate adoption of their high-efficiency, EMI-optimized DC-DC converters in space-constrained, noise-sensitive applications.

FAQ

What input voltage range does the AP62150Z6-EVM support?

The AP62150Z6-EVM accepts 4.2V to 18V DC input via its screw-terminal VIN connection, matching the operational range of the AP62150 IC. It includes input capacitance (10μF) and reverse-polarity protection diode per Diodes' recommended design, enabling direct testing from standard lab supplies or 5V/12V system rails without additional conditioning.

Can the output voltage be adjusted, and how?

Yes - the AP62150Z6-EVM's output is set by a resistive divider (R1=52.3kΩ, R2=10kΩ) on the FB pin, yielding 5V. To adjust, replace R1/R2 using the formula VOUT = 0.8V × (1 + R1/R2). The board provides test points and footprint pads for alternate resistors, maintaining COT stability without compensation changes due to the AP62150's inherent loop robustness.

Does the board include thermal monitoring or shutdown indicators?

No - the AP62150Z6-EVM does not integrate temperature sensors or status LEDs. However, the AP62150 IC itself features internal thermal shutdown (160°C trip, 20°C hysteresis) and cycle-by-cycle current limiting. Users can monitor junction temperature indirectly via ambient PCB temperature near the TSOT26 pad and correlate with the derating curves in DS42700 Rev. 2–2, page 14.

Is the AP62150Z6-EVM RoHS-compliant and lead-free?

Yes - the AP62150Z6-EVM uses only RoHS 3-compliant (2015/863/EU) components, including the AP62150 IC in TSOT26 package, which is fully lead-free, halogen-free, and antimony-free per Diodes' "Green" definition (<900ppm Br, <900ppm Cl, <1000ppm Sb). Assembly follows IEC 61249-2-21 standards.