LM5109MA

$0.65

Description：IC GATE DRVR HALF-BRIDGE 8SOIC
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:d12d9899ef32 Category: Gate Drivers Brand: Texas Instruments

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC GATE DRVR HALF-BRIDGE 8SOIC
Series：-
Mfr：Texas Instruments
Package：Tube
Driven Configuration：Half-Bridge
Channel Type：Independent
Number of Drivers：2
Gate Type：MOSFET (N-Channel)
Voltage - Supply：8V ~ 14V
Logic Voltage - VIL, VIH：0.8V, 2.2V
Current - Peak Output (Source, Sink)：1A, 1A
Input Type：Non-Inverting
Rise / Fall Time (Typ)：15ns, 15ns
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-
High Side Voltage - Max (Bootstrap)：118 V

Download product information

LM5109MA

Overview

The LM5109MA is a high-voltage half-bridge gate driver designed to drive high-side and low-side N-channel MOSFETs in synchronous buck or half-bridge configurations. It features independent TTL-compatible inputs for the high-side and low-side drivers, allowing flexible control logic integration. The device provides a peak output current of 1A for both sourcing and sinking, ensuring robust switching performance. It operates with a supply voltage range of 8V to 14V and supports bootstrap voltages up to 118VDC relative to the high-side source. The component is housed in an SOIC-8 package and is rated for operation from -40°C to +125°C.

Feature Summary

Independent high-side and low-side drivers with TTL-compatible input thresholds
Robust level-shifting technology for clean signal conversion at high speeds
Under-voltage lockout protection on both power rails to prevent device damage
Low quiescent current operation for improved system efficiency

Applications

Synchronous buck converter topologies
Half-bridge power stages
High-side N-channel MOSFET driving applications
Industrial motor control systems

Procurement Notes

Verify the specific suffix against the manufacturer's latest datasheet to confirm pinout compatibility and electrical specifications. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference the component revision history to confirm availability and any potential design-in changes before finalizing procurement plans.

Selection Notes

Select this component when a cost-effective solution is needed for driving N-channel MOSFETs in high-voltage environments. It is suitable for designs requiring independent control of high-side and low-side switches with simple logic interfaces. Consider the thermal performance of the SOIC-8 package for your specific power dissipation requirements.

Part Context

This device belongs to the LM5109 family of high-voltage gate drivers from Texas Instruments. It is engineered as a low-cost alternative to more complex driver solutions while maintaining high-speed performance. The family includes variants with different packaging options to suit various board space constraints.