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Product details

Parameters

Number of channels (#) 1 Power switch MOSFET Peak output current (A) 7 Input VCC (Min) (V) 3.5 Input VCC (Max) (V) 14 Features Negative Output Voltage Capability Operating temperature range (C) -40 to 125 Rise time (ns) 14 Fall time (ns) 12 Prop delay (ns) 25 Input threshold TTL Channel input logic Inverting, Non-Inverting Input negative voltage (V) 0 Rating Catalog open-in-new Find other Low-side drivers

Package | Pins | Size

HVSSOP (DGN) 8 9 mm² 3 x 3 WSON (NGG) 6 9 mm² 3 x 3 open-in-new Find other Low-side drivers

Features

  • LM5112-Q1 is Qualified for Automotive Applications
  • AEC-Q100 Grade 1 Qualified
  • Manufactured on an Automotive Grade Flow
  • Compound CMOS and Bipolar Outputs Reduce Output Current Variation
  • 7-A Sink and 3-A Source Current
  • Fast Propagation Times: 25 ns (Typical)
  • Fast Rise and Fall Times: 14 ns or 12 ns
    Rise or Fall With 2-nF Load
  • Inverting and Non-Inverting Inputs Provide Either Configuration With a Single Device
  • Supply Rail Undervoltage Lockout Protection
  • Dedicated Input Ground (IN_REF) for
    Split Supply or Single Supply Operation
  • Power Enhanced 6-Pin WSON Package
    (3 mm × 3 mm) or Thermally Enhanced
    MSOP-PowerPAD Package
  • Output Swings From VCC to VEE Which Are Negative Relative to Input Ground
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Description

The LM5112 device MOSFET gate driver provides high peak gate drive current in the tiny 6-pin WSON package (SOT-23 equivalent footprint) or an 8-pin exposed-pad MSOP package with improved power dissipation required for high frequency operation. The compound output driver stage includes MOS and bipolar transistors operating in parallel that together sink more than 7 A peak from capacitive loads. Combining the unique characteristics of MOS and bipolar devices reduces drive current variation with voltage and temperature. Undervoltage lockout protection is provided to prevent damage to the MOSFET due to insufficient gate turnon voltage. The LM5112 device provides both inverting and non-inverting inputs to satisfy requirements for inverting and non-inverting gate drive with a single device type.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet LM5112, LM5112-Q1 Tiny 7-A MOSFET Gate Driver datasheet (Rev. C) Oct. 22, 2015
Application note External Gate Resistor Selection Guide (Rev. A) Feb. 28, 2020
Application note Understanding Peak IOH and IOL Currents (Rev. A) Feb. 28, 2020
More literature Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) Oct. 29, 2018
Technical articles How to achieve higher system robustness in DC drives, part 3: minimum input pulse Sep. 19, 2018
Selection guide Power Management Guide 2018 (Rev. R) Jun. 25, 2018
Technical articles How to achieve higher system robustness in DC drives, part 2: interlock and deadtime May 30, 2018
Technical articles Boosting efficiency for your solar inverter designs May 24, 2018
Technical articles How to achieve higher system robustness in DC drives, part 1: negative voltage Apr. 17, 2018
Application note An Alternative Approach to Higher-Power Boost Converters Nov. 30, 2009

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
49
Description
The UCC2742xQ1 EVM is a high-speed dual MOSFET evaluation module that provides a test platform for a quick and easy startup of the UCC2742xQ1 driver. Powered by a single 4V to 15V external supply, and featuring a comprehensive set of test points and jumpers. All of the devices have separate input (...)
Features
  • Three different UCC2742x-Q1 devices
  • Independent signal inputs
  • Common enable pin
  • Output FET support

Design tools & simulation

SIMULATION MODEL Download
SNVM300.ZIP (73 KB) - PSpice Model
SIMULATION MODEL Download
SNVM390.ZIP (8 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SNVM391.TSC (579 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SNVMAD6.ZIP (1 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

Package Pins Download
HVSSOP (DGN) 8 View options
WSON (NGG) 6 View options

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