Product
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LM5113-Q1
  • LM5113-Q1
  • LM5113-Q1

LM5113-Q1

ACTIVE

Automotive 1.2-A/5-A, 100-V half bridge gate driver for GaNFET

Texas Instruments LM5113-Q1 Product Info

1 April 2026 3

Parameters

Bootstrap supply voltage (max) (V)

100

Power switch

GaNFET, MOSFET

Input supply voltage (min) (V)

4.5

Input supply voltage (max) (V)

5.5

Peak output current (A)

5

Operating temperature range (°C)

-40 to 125

Undervoltage lockout (typ) (V)

4

Rating

Automotive

Propagation delay time (µs)

0.03

Rise time (ns)

7

Fall time (ns)

3.5

Iq (mA)

0.15

Input threshold

TTL

Channel input logic

TTL

Switch node voltage (V)

-5

Features

Bootstrap supply voltage clamp, Split outputs on high and low side

Driver configuration

Half bridge

Package

WSON (DPR)-10-16 mm² 4 x 4

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 1C
    • Device CDM ESD Classification Level C6
  • Independent High-Side and Low-Side
    TTL Logic Inputs
  • 1.2-A Peak Source, 5-A Peak Sink Output Current
  • High-Side Floating Bias Voltage Rail
    Operates up to 100-VDC
  • Internal Bootstrap Supply Voltage Clamping
  • Split Outputs for Adjustable
    Turnon and Turnoff Strength
  • 0.6-Ω Pulldown, 2.1-Ω Pullup Resistance
  • Fast Propagation Times (28 ns Typical)
  • Excellent Propagation Delay Matching
    (1.5 ns Typical)
  • Supply Rail Undervoltage Lockout
  • Low Power Consumption
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 1C
    • Device CDM ESD Classification Level C6
  • Independent High-Side and Low-Side
    TTL Logic Inputs
  • 1.2-A Peak Source, 5-A Peak Sink Output Current
  • High-Side Floating Bias Voltage Rail
    Operates up to 100-VDC
  • Internal Bootstrap Supply Voltage Clamping
  • Split Outputs for Adjustable
    Turnon and Turnoff Strength
  • 0.6-Ω Pulldown, 2.1-Ω Pullup Resistance
  • Fast Propagation Times (28 ns Typical)
  • Excellent Propagation Delay Matching
    (1.5 ns Typical)
  • Supply Rail Undervoltage Lockout
  • Low Power Consumption

Description

The LM5113-Q1 is designed to drive both the high-side and the low-side enhancement mode Gallium Nitride (GaN) FETs or silicon MOSFETs in a synchronous buck, boost, or half bridge configuration for automotive applications. The device has an integrated 100-V bootstrap diode and independent inputs for the high-side and low-side outputs for maximum control flexibility. The high-side bias voltage is internally clamped at 5.2 V, which prevents the gate voltage from exceeding the maximum gate-source voltage rating of enhancement mode GaN FETs. The inputs of the device are TTL-logic compatible, which can withstand input voltages up to 14 V regardless of the VDD voltage. The LM5113-Q1 has split-gate outputs, providing flexibility to adjust the turnon and turnoff strength independently.

In addition, the strong sink capability of the LM5113-Q1 maintains the gate in the low state, preventing unintended turnon during switching. The LM5113-Q1 can operate up to several MHz. The LM5113-Q1 is available in a standard 10-pin WSON package with an exposed pad to aid power dissipation.

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