Monolithic Power Systems Inc. EV5610-QG-00A

Overview

EV5610-QG-00A from Monolithic Power Systems is an evaluation board for the MP5610 dual-output LCD bias power supply IC, designed to generate tightly tracked ±5.4V outputs from a 2.7–5.5V input for small-size LCD panels in portable devices, delivering up to 40mA per rail with 1% voltage tracking and integrated OVP/UVP/OTP protections.

For engineers reviewing the EV5610-QG-00A datasheet, EV5610-QG-00A pinout, EV5610-QG-00A application, or EV5610-QG-00A equivalent, this board enables rapid validation of MP5610-based dual-rail bias generation, load regulation behavior, soft-start timing (270µs), and protection response under variable LCD panel loading conditions.

Technical Context

The EV5610-QG-00A implements a fixed-frequency current-mode boost converter topology driving two independent output stages: one positive (V+) and one negative (V−) rail, both regulated via internal 600mV feedback references with ±1% accuracy. It supports enable-controlled startup and features cycle-by-cycle current limiting on the input path.

Voltage tracking between V+ and V− is maintained within 1% across load variations, achieved through matched feedback networks and shared control loop architecture. Input DC current limit, output over/under-voltage protection, and thermal shutdown are hardware-implemented using dedicated comparator circuits and internal sensing.

Key Specifications

Availability

EV5610-QG-00A is available at Aetrix Electronics and suitable for LCD bias validation, portable display power design verification, and MP5610 IC qualification requiring stable component supply and documented reference performance.

Supply support for EV5610-QG-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 expertise in DC/DC conversion, LED drivers, and motor control solutions for consumer, industrial, and automotive markets.

The MP5610 product line targets compact LCD bias generation in feature phones and smart devices, integrating dual-rail regulation, precision tracking, and comprehensive protection in a QFN-10 package to reduce external component count and PCB area.

FAQ

What input voltage range does the EV5610-QG-00A support?

The board accepts 2.7V to 5.5V DC input, matching the operating range of the underlying MP5610 IC. This allows direct connection to common portable power sources such as single-cell lithium batteries (3.0–4.2V nominal) or regulated 3.3V/5V system rails without additional pre-regulation.

How is voltage tracking between V+ and V− verified on this board?

Voltage tracking is validated per the EVB test report: |V−| and V+ are measured simultaneously under varying load conditions (0–40mA), with deviation calculated as (|V−| − V+)/V+ × 100%. The board achieves ≤1% tracking error, confirmed at VIN = 3.7V and TA = 25°C.

Does the EV5610-QG-00A include enable functionality?

Yes - the EN signal is brought out to a test point and accepts 2–5V logic-high to activate the MP5610. When low, the IC enters shutdown mode drawing <1µA quiescent current. The schematic shows a 1kΩ pull-down resistor ensuring default-off behavior.

What protection features are implemented on the evaluation board?

All protections are implemented via the MP5610 IC: output overvoltage (OVP), output undervoltage (UVP), input DC current limit, cycle-by-cycle current limit, and overtemperature protection (OTP). No external discrete protection components are added beyond the IC's native functions.

Can the output voltage be adjusted on this board?

No - the EV5610-QG-00A is configured for fixed ±5.4V outputs using factory-trimmed feedback resistors (R4 = 100kΩ, R5 = 12.4kΩ for V+; C7 marked "NS" indicates no compensation component for V−). Output voltage adjustment would require modifying the feedback network per MP5610 datasheet guidelines.

Is the MP5610 IC on the board lead-free and RoHS-compliant?

Yes - the MP5610GQG mounted on the EV5610-QG-00A is lead-free and fully compliant with the RoHS directive. MPS confirms green status for this part on its official Quality Assurance page, with all bill-of-materials components meeting RoHS requirements.