Monolithic Power Systems Inc. EV6515-L-00A

Overview

EV6515-L-00A from Monolithic Power Systems is an evaluation board for the MP6515 H-bridge motor driver IC, supporting 5.4–35V input voltage and delivering up to 2A continuous motor current. It features integrated current sense output (VISEN), fault indication (nFAULT), and dual logic supply compatibility (3.3V/5V) for direct MCU interfacing in brushed DC motor control applications.

For engineers reviewing the EV6515-L-00A datasheet, EV6515-L-00A pinout, EV6515-L-00A application, or EV6515-L-00A equivalent, this board enables rapid validation of MP6515's PWM-driven bidirectional motor control, internal OCP/OVP/OTP protection behavior, and VISEN-based current monitoring under real load conditions.

Technical Context

The EV6515-L-00A implements the MP6515's full functional interface: PHASE/ENBL/BMODE control logic supports forward, reverse, brake (low/high), and sync fast decay modes. The board routes all critical signals-including VIN, GND, OUT1/OUT2, VCC, ISET, VCP, and nFAULT-to accessible headers for oscilloscope probing and signal injection.

It integrates a 10kΩ adjustable resistor (RV1) to scale the VISEN output (0.25V/A nominal), enabling precise current calibration. All protection features-over-current (OCP), over-voltage (OVP), and over-temperature (OTP)-are fully enabled and signaled via the open-drain nFAULT pin.

Key Specifications

Availability

EV6515-L-00A is available at Aetrix Electronics and suitable for brushed DC motor prototyping, solenoid actuation validation, and industrial motion control development requiring stable component supply and documented reference design fidelity.

Supply support for EV6515-L-00A 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 semiconductor company specializing in high-performance analog and power ICs, with core expertise in DC/DC conversion, motor control, and battery management.

The MP6515 product line delivers compact, thermally robust H-bridge drivers for space-constrained brushed DC motor systems, emphasizing integrated protection, current sensing, and flexible control logic for industrial and consumer motion applications.

FAQ

What motor types is the EV6515-L-00A designed to drive?

The EV6515-L-00A is configured specifically for brushed DC motors and resistive loads such as solenoids. Its 2A continuous current rating and 35V max input support 12V and 24V DC motors commonly used in robotics, actuators, and industrial valves. It does not support brushless (BLDC) or stepper motors.

How is current sensing implemented on this evaluation board?

Current sensing uses the MP6515's internal VISEN pin, which outputs a voltage proportional to motor current (0.25V/A nominal). An onboard 10kΩ adjustable resistor (RV1) sets the scaling factor, allowing users to calibrate the output for accurate analog current feedback into an ADC or comparator.

Can the EV6515-L-00A operate with a 3.3V microcontroller without level shifters?

Yes. The board accepts 3.3V logic inputs directly on PHASE, ENBL, and BMODE pins. The MP6515's input thresholds are compatible with both 3.3V and 5V CMOS logic families, eliminating the need for external level translation circuitry during MCU integration.

What protection features are active and how are they signaled?

OCP, OVP, and OTP protections are fully enabled. Fault conditions assert the open-drain nFAULT pin low. This signal can be pulled up to 3.3V or 5V and monitored by a host MCU GPIO to trigger shutdown or diagnostic logging without additional components.

Is the board layout optimized for thermal performance?

Yes. The MP6515GL is mounted in a QFN20 (3mm × 4mm) package with exposed thermal pad soldered to internal copper planes. The board's 2.54″ × 2.54″ footprint includes dedicated ground and power pour areas to dissipate heat under 2A continuous load, validated per Rev. 1.1 design.

Does the EV6515-L-00A include a built-in power supply for logic circuits?

No. The board requires an external 3.3V or 5V supply for logic-level pull-ups when using manual switch control (SW1). The VCC pin on CN1 must be powered externally; no onboard LDO or regulator is provided for logic rail generation.