MCP1664T-E/OTVAO

LED Driver IC Overview

The MCP1664T-E/OTVAO is a non-synchronous boost LED driver IC manufactured by Microchip Technology. It integrates a 32V output capability and a 1.8A internal switch, designed for driving multiple series-connected LEDs from single-cell lithium or multi-cell alkaline/nickel-based battery sources. The device supports PWM dimming control and operates with an input voltage range of 2.4V to 5.5V. It utilizes a fixed-frequency switching architecture at 0.5MHz to maintain efficiency in compact designs. The component is housed in a space-efficient SOT-23-5 package, suitable for mobile and portable lighting applications requiring high power density.

LED Driver IC Feature Summary

• Integrates a high-current 1.8A internal switch for efficient power conversion
• Supports Pulse Width Modulation (PWM) dimming for precise brightness control
• Optimized for multi-string LED configurations from low-voltage battery sources

LED Driver IC Applications

• Portable LED lighting systems powered by single-cell lithium batteries
• Multi-string LED arrays driven by two or three cell alkaline or NiMH/NiCd batteries
• Space-constrained mobile device illumination modules

LED Driver IC Procurement Notes

Verify the complete part number including the suffix VAO to ensure compliance with specific environmental and packaging requirements. Confirm that the SOT-23-5 package type matches your PCB footprint design. Check for moisture sensitivity levels and reflow soldering profile recommendations prior to assembly. Ensure supply chain documentation aligns with Microchip Technology's official distribution channels to guarantee component authenticity and traceability.

LED Driver IC Selection Notes

Select this component when designing boost converters for LED strings requiring up to 32V output from low-voltage inputs. Consider the 1.8A switch current limit for load capacity planning. Evaluate the 0.5MHz switching frequency against electromagnetic interference constraints. Verify compatibility with PWM dimming signals from the host controller. Assess thermal performance within the SOT-23-5 package for the intended operating environment.

LED Driver IC Part Context

This part belongs to Microchip's MCP1664 family of switching voltage regulators. It is specifically engineered as a non-synchronous boost converter optimized for LED driver applications. The device distinguishes itself through its integrated high-current switch and support for multi-string LED topologies, making it suitable for portable electronics where size and efficiency are critical constraints.

LED Driver IC Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.