Monolithic Power Systems Inc. EV6001DN-01A

Overview

EV6001DN-01A from Monolithic Power Systems is an evaluation board for the MP6001 monolithic Flyback/Forward DC-DC converter IC, integrating a 150V power switch and delivering up to 5V/2.7A (13.5W) output from a 36–75V input. It implements cycle-by-cycle current limiting, input UVLO + over-voltage protection, and thermal shutdown. Designed for telecom and PoE-powered endpoint validation.

For engineers reviewing the EV6001DN-01A datasheet, EV6001DN-01A pinout, EV6001DN-01A application, or EV6001DN-01A equivalent, this board enables rapid functional verification of MP6001-based isolated flyback/forward topologies under real load conditions, including zero-load regulation testing and efficiency profiling across 0–2.7A.

Technical Context

The EV6001DN-01A implements a transformer-coupled flyback architecture using the MP6001DN SOIC-8 (exposed pad) controller, which integrates gate drive, 150V MOSFET, soft-start, auto-retry, and skip-mode operation for light-load regulation. Feedback is closed via optocoupler (PC357NT) and shunt regulator (ZR431LF01TA).

Input conditioning includes 2.2µF/100V ceramic capacitors (C1, C3), while output filtering uses 22µF ×3 X5R 1210 ceramics (C11–C13) and a 330µF polymer capacitor (C14). The board supports adjustable output via R3/R7 voltage divider and features dedicated test points for VIN, VOUT, SW, and FB.

Key Specifications

Availability

EV6001DN-01A is available at Aetrix Electronics and suitable for telecom equipment validation, Power over Ethernet (PoE) endpoint design, and distributed power conversion prototyping requiring stable component supply and documented reference performance.

Supply support for EV6001DN-01A 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

Monolithic Power Systems (MPS) is a fabless analog semiconductor company specializing in high-efficiency power management ICs, with core expertise in DC-DC converters, LED drivers, and motor drivers.

The MP6001 product line targets isolated offline and intermediate-bus DC-DC conversion in space-constrained telecom and industrial applications, emphasizing integrated high-voltage switching and robust protection features.

FAQ

What input voltage range does the EV6001DN-01A support?

The board operates from 36 V to 75 V DC input, covering standard -48 V telecom systems with headroom for line transients and ripple. Input UVLO triggers at ~33 V, and over-voltage protection activates above ~80 V, as defined by the MP6001's internal thresholds.

Can the output voltage be adjusted?

Yes - the nominal 5 V output is set by resistor divider R3 (9.76 kΩ) and R7 (20.5 kΩ) feeding the FB pin. Replacing either resistor changes the feedback ratio; the MP6001's internal reference is 1.24 V, enabling precise adjustment within stability limits of the opto-coupled loop.

Does the board include thermal monitoring or reporting?

No - the EV6001DN-01A lacks onboard temperature sensors or telemetry. However, the MP6001DN IC incorporates thermal shutdown (triggering at ~150 °C junction), and the exposed pad on the SOIC-8 package allows external IR thermography or thermocouple contact for thermal characterization during testing.

What protection features are implemented on this board?

The board inherits all MP6001 protections: cycle-by-cycle current limiting, auto-retry after over-current or short-circuit events, input UVLO and over-voltage lockout, over-voltage protection on output (via ZR431 + opto), and thermal shutdown. No external protection components are required beyond those shown in the BOM.

Is the transformer on the board compliant with safety isolation standards?

Yes - the Delta 86H-17005 flyback transformer meets reinforced insulation requirements for 250 V RMS working voltage and provides 3 kV AC isolation between primary and secondary, satisfying IEC/UL 60950-1 and IEC/UL 62368-1 for telecom end-equipment.

How is enable/disable functionality implemented?

The EN pin (Pin 1 of U1) is pulled high via R14 (1 kΩ) to VIN, enabling continuous operation. To disable the converter, lift the EN trace or inject ≤0.8 V at the EN test point - the MP6001 specifies 0.4 V threshold for disable and 1.25 V for enable with hysteresis.