MCP1631HVT-500E/ST

DC DC Switching Controllers Overview

The MCP1631HVT-500E/ST is a high-voltage switching controller from Microchip Technology, designed for boost, Cuk, flyback, and SEPIC topologies. It operates with an input voltage range of 3.5V to 16V and features a 2 MHz switching frequency. The device provides a 250 mA output current capability and includes a 5.0V internal regulator. It supports current-mode control and is housed in a TSSOP-20 package. The component is qualified under AEC-Q100 standards and functions within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including Boost, Cuk, Flyback, and SEPIC configurations.
• Integrates a high-speed PWM modulator with current-mode control architecture.
• Includes an internal 5.0V regulator for stable operation.
• AEC-Q100 qualified for automotive reliability requirements.

DC DC Switching Controllers Applications

• Automotive power management systems
• High-voltage DC-DC conversion circuits
• Industrial power supply designs

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'HVT' indicates tape and reel packaging when ordering. Confirm the '500' designation corresponds to the 5.0V internal regulator variant. Ensure the TSSOP-20 package matches the PCB footprint requirements. Check for AEC-Q100 qualification if automotive grade is required. Validate the operating temperature range against system thermal constraints.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring high-voltage input handling up to 16V. Consider the 2 MHz switching frequency for smaller passive component sizes. Evaluate the current-mode control benefits for transient response. Compare against other MCP1631 variants based on required topology support and package type. Ensure the internal regulator voltage meets system bias needs.

DC DC Switching Controllers Part Context

This part belongs to the MCP1631 family of high-speed pulse width modulators. The family includes various voltage mode and current mode controllers. Variants differ by internal regulator voltage and package style. The HV designation typically indicates high-voltage input capabilities. The VHV suffix may denote specific voltage mode variations.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other MCP1631 series parts with matching pinouts. Verify compatibility of internal regulator voltages between alternatives. Check if alternative packages fit existing footprints without modification. Ensure switching frequency and control modes align with design specifications.