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Microchip Boost LED Regulator Evaluation Board MCP1640EV-SBC with Fixed Output Voltage 2.0V to 5.0V China
Specifications
| Country of Origin | China |
|---|---|
| Brand | Microchip |
| Model | MCP1640EV-SBC |
| Output Current | typical 100mA @ 3.3V Output, 1.2V Input or 350mA @ 5.0V Output, 3.3V Input |
| Fixed Output Voltage | 2.0V or 3.3V and 3.3V or 5.0V, selected using a mini dip switch on board |
| Standards/Approvals | ISO |
| Kit Classification | Evaluation Board |
| Featured Device | MCP1640 |
| Kit Name | Evaluation Board |
| Three common output voltages to evaluate | 2.0V, 3.3V and 5.0V enable selection (when disabled, the MCP1640 disconnects the path from input to output for true-disconnect) |
Key Features
- Operates efficiently up to 96% at 500 kHz fixed switching frequency.
- Supports input voltage range from 0.35V to 5.5V with low startup voltage of 0.65V.
- Selectable fixed output voltages of 2.0V, 3.3V, and 5.0V using mini dip switch.
- Automatic mode selection between PWM and PFM for optimal efficiency.
- Incorporates peak input current limit up to 800mA for protection.
- Includes over-temperature protection with 150°C threshold and 10°C hysteresis.
- Provides true-disconnect feature when disabled, disconnecting input to output.
Product Description
Microchip MCP1640EV-SBC Boost LED Regulator Evaluation Board is designed for high efficiency DC-DC power conversion in portable and battery-powered devices. It utilizes the MCP1640 device to deliver a fixed frequency (500 kHz) step-up boost converter capable of operating with input voltages as low as 0.35V and startup voltages from 0.65V, making it suitable for one to three cell alkaline, NiCd/NiMH, Li-Ion, or Li-Polymer batteries.
The evaluation board offers versatility with selectable fixed output voltages of 2.0V, 3.3V, and 5.0V, using an onboard mini dip switch. It supports typical output currents of 100mA at 3.3V output (1.2V input) and 350mA at 5.0V output (3.3V input), ensuring robust performance for LED lighting and other power management applications.
Advanced features include automatic switching between PWM and PFM operating modes to optimize efficiency depending on load conditions, and a peak input current limiting protection up to 800mA to safeguard the device. The board also incorporates over-temperature protection with a threshold set at 150°C and a 10°C hysteresis for enhanced reliability.
The true-disconnect function disables the MCP1640, physically disconnecting input and output paths to reduce power loss when the board is not in use. PCB layouts are recommended for SOT23-6 and 2x3mm-8 DFN packages, facilitating easy integration into development projects.
This evaluation board is ideal for industrial, laboratory, and embedded development environments where efficient power conversion from low-voltage batteries is critical. It supports various applications including power management in portable devices, LED regulation, and energy harvesting systems.
Operates with input voltage range 0.35 to 5.5V and low startup voltage of 0.65V. Fixed frequency switching at 500 kHz with high efficiency up to 96%. Selectable output voltages of 2.0V, 3.3V, and 5.0V with true-disconnect feature.
Automatic PWM/PFM mode selection for optimized power consumption. Peak input current limit of 800mA for device protection. Over-temperature protection at 150°C with hysteresis. Compatible with one to three cell alkaline, NiCd/NiMH, Li-Ion, or Li-Polymer batteries.
Recommended PCB layouts for SOT23-6 and 2x3mm-8 DFN packages. Explore more power management and development tools at EnvMart to enhance your electronics projects with reliable Evaluation Boards and converters.
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Frequently Asked Questions
The evaluation board supports an input voltage range from 0.35V to 5.5V, with a low startup voltage of 0.65V.
It offers selectable fixed output voltages of 2.0V, 3.3V, and 5.0V, which can be chosen using an onboard mini dip switch.
The typical output current is 100mA at 3.3V output with a 1.2V input, and 350mA at 5.0V output with a 3.3V input.
This evaluation board operates at a fixed switching frequency of 500 kHz.
It automatically selects between PWM and PFM modes to optimize efficiency based on load conditions.
The board includes a peak input current limit protection up to 800mA and over-temperature protection with a threshold of 150°C and 10°C hysteresis.
When disabled, the MCP1640 disconnects the path from input to output, minimizing power loss when the board is not in use.
It is compatible with one to three cell alkaline, NiCd/NiMH, Li-Ion, or Li-Polymer batteries.
The country of origin for this evaluation board is China.
It complies with ISO standards.
Recommended PCB layouts are for SOT23-6 and 2x3mm-8 DFN packages, facilitating integration into development projects.
This evaluation board is suitable for power management in portable devices, LED regulation, and energy harvesting systems.
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