NCP81158MNTXG

Overview

The NCP81158MNTXG is a dual, non-inverting half-bridge gate driver manufactured by onsemi. It operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature range from -40°C to +100°C. The device is designed for efficient power management applications, specifically targeting VR12.5 MOSFET driver requirements. It is housed in an 8-DFN (3x3) package.

Feature Summary

• Dual channel configuration providing independent control for high-side and low-side switching elements.
• Non-inverting logic interface simplifies connection to standard digital controllers without additional inversion stages.
• Optimized for half-bridge topologies to ensure reliable gate drive signals for power MOSFETs.

Applications

• VR12.5 compliant power delivery systems
• Efficient power management circuits
• Half-bridge power stage driving

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific tape-and-reel packaging quantity matches project requirements. Check current lifecycle status as end-of-life notifications may impact long-term availability. Ensure storage conditions adhere to moisture sensitivity levels defined in the datasheet prior to assembly.

Selection Notes

Select this component when a dual-channel solution is required for half-bridge configurations. The fixed non-inverting input logic suits designs where signal phase alignment with the controller is critical. Evaluate thermal performance within the specified -40°C to +100°C range against system heat dissipation capabilities. Ensure the 4.5V to 5.5V supply rail aligns with the target power architecture.

Part Context

This part belongs to onsemi's portfolio of gate drivers tailored for professional power management. It complements other VR12.5 compatible components by providing the necessary interface between low-power control logic and high-current power switches. The compact 8-DFN package facilitates space-constrained PCB layouts common in modern server and workstation power supplies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing board layouts and control signals before considering alternative vendors or pin-compatible devices.

FAQ

What is the input logic polarity of the NCP81158MNTXG?

The device features non-inverting inputs, meaning the output state directly follows the input signal state without phase inversion.

What is the maximum operating temperature for this gate driver?

The maximum operating temperature is specified as +100°C.