FAN8841MPX

Full Half-Bridge (H Bridge) Drivers Overview

The FAN8841MPX is a dual half-bridge piezoelectric driver integrated with a step-up DC-DC converter, manufactured by onsemi. It is designed to drive piezoelectric actuators and transformers efficiently. The device features a maximum turn-on delay time of 300 ns and an operating supply current of 800 uA. Power dissipation is rated at 2.9 W. It is housed in a 24-MLP (4x4) package, suitable for compact power management applications requiring precise control of piezoelectric components.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates dual half-bridge drivers with a step-up DC-DC converter for efficient piezoelectric actuation
• Optimized for low standby current consumption to enhance system energy efficiency
• Designed for high-speed switching capabilities with controlled delay times

Full Half-Bridge (H Bridge) Drivers Applications

• Piezoelectric transformer drivers
• High-voltage piezoelectric actuator control
• Compact power supply systems requiring piezo-driven isolation

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix 'MPX' against the official onsemi datasheet to confirm tape-and-reel packaging specifications and temperature range ratings. Ensure compatibility with the target piezoelectric load impedance and input voltage requirements before procurement. Cross-reference the 24-MLP footprint dimensions with the PCB layout guidelines provided in the product documentation to prevent assembly errors.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a combined solution for driving piezoelectric elements and generating elevated voltages is required within a small form factor. The integrated DC-DC stage reduces external component count compared to discrete solutions. Consider the 800 uA supply current for battery-operated or energy-sensitive designs. Evaluate the 2.9 W power dissipation capability against thermal constraints in the final enclosure design.

Full Half-Bridge (H Bridge) Drivers Part Context

The FAN8841MPX belongs to onsemi's portfolio of specialized power management ICs focused on piezoelectric applications. It addresses the need for efficient high-voltage generation from low-voltage sources using piezoelectric transformers. This series supports designs aiming for miniaturization and improved power density in consumer electronics and industrial control systems.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Consult onsemi's official substitution guide for direct pin-compatible alternatives. Verify that any substitute maintains the 24-MLP package outline and electrical characteristics for piezoelectric driving.