LM25101AMR/NOPB

Overview

The LM25101AMR/NOPB is a high-voltage, half-bridge gate driver manufactured by Texas Instruments. It integrates independent high-side and low-side drivers designed to drive N-channel power MOSFETs in bridge configurations. The device operates with a supply voltage range of 9 V to 18 V and supports bootstrap voltages up to 100 V. It delivers peak output currents of 3 A for both sourcing and sinking. The component features fast switching characteristics with typical rise and fall times of 8 ns. It is housed in an 8-SOIC package and is rated for operation over an extended temperature range from -40°C to +125°C.

Feature Summary

• Integrates independent high-side and low-side drivers for driving N-channel MOSFETs in half-bridge topologies
• Supports high-voltage operation with bootstrap capabilities up to 100 V
• Provides robust drive strength with 3 A peak source and sink current capability
• Features fast switching performance with 8 ns typical rise and fall times

Applications

• High-voltage motor control systems
• Industrial power conversion circuits
• Inverter bridge driver stages
• Isolated DC-DC converter interfaces

Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status and lifecycle stage directly with the manufacturer or authorized distributors. Ensure the ordering part number matches the required pinout and thermal characteristics for the target PCB layout.

Selection Notes

Select this component when designing circuits requiring independent control of high-side and low-side switches in high-voltage environments. The 3 A drive current is suitable for medium-power MOSFETs. Consider the 8-SOIC package constraints for thermal management and board space. Verify that the input logic levels are compatible with the system microcontroller or controller IC.

Part Context

This device belongs to the LM25101 family of high-voltage gate drivers from Texas Instruments. The family includes variants such as the LM25101AM/NOPB and LM25101CSDX/NOPB, which share similar electrical characteristics but differ in packaging options like SOIC and WSON. These drivers are commonly used in applications requiring reliable switching of power MOSFETs under high common-mode voltage conditions.

Replacement Considerations

Check for direct substitutes within the LM25101 series, such as LM25101AM/NOPB, ensuring package compatibility. Evaluate other Texas Instruments half-bridge drivers with similar voltage ratings and drive currents if pinouts differ.