LM5100BMA/NOPB

Overview

The LM5100BMA/NOPB is a high-voltage half-bridge gate driver manufactured by Texas Instruments. It features independent high-side and low-side outputs with a peak output current of 2 A. The device operates within a supply voltage range of 9 V to 14 V. Key timing parameters include a maximum propagation delay of 20 ns, a rise time of 570 ns, and a fall time of 430 ns. Turn-on and turn-off delays are limited to 1 ns each. It supports CMOS logic inputs and functions across an operating temperature range from -40 °C to +125 °C.

Feature Summary

• Provides independent high-side and low-side gate drive channels for half-bridge configurations.
• Delivers 2 A peak source and sink current capability for efficient MOSFET switching.
• Features fast switching characteristics with minimal propagation delay and matched rise/fall times.
• Supports wide operating temperature range suitable for demanding industrial environments.

Applications

• Motor control systems
• Power factor correction circuits
• Isolated power supply topologies

Procurement Notes

Verify the component authenticity through authorized Texas Instruments distributors or certified partners. Confirm the specific package variant matches the SOIC-8 footprint required for your PCB layout. Ensure the ordering suffix corresponds to the tube packaging format indicated in the official specifications. Cross-reference the manufacturer part number against the latest datasheet revision to confirm functional compatibility.

Selection Notes

Select this component when a robust half-bridge driver with 2 A output capability is required. The SOIC-8 package offers a compact solution for space-constrained designs. Consider the 9 V to 14 V supply range and CMOS input compatibility during interface design. Evaluate the thermal performance requirements given the extended operating temperature range up to 125 °C.

Part Context

This device belongs to the LM5100B series of high-voltage gate drivers. It is designed to drive N-channel power MOSFETs in half-bridge applications. The component integrates bootstrap diode functionality internally, simplifying external circuit design. It is part of Texas Instruments' portfolio of power management integrated circuits focused on motor and power conversion applications.

Replacement Considerations

LM5100BSDX/NOPB: Different package (WSON-10) but identical electrical specifications.

FAQ

What is the maximum supply voltage for the LM5100BMA/NOPB?

The maximum supply voltage (VCC Max) is 14 V.

Does the LM5100BMA/NOPB include an internal bootstrap diode?

Yes, the device includes an internal bootstrap diode to simplify the high-side drive circuit.