LMG1025-Q1 MOSFET Driver Datasheet

LMG1025-Q1 Datasheet, PDF, Equivalent


Part Number

LMG1025-Q1

Description

Automotive Low Side GaN and MOSFET Driver

Manufacture

etcTI

Total Page 25 Pages
Datasheet
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LMG1025-Q1
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LMG1025-Q1
SNOSD74B – MAY 2019 – REVISED JANUARY 2020
LMG1025-Q1 Automotive Low Side GaN and MOSFET Driver
For High Frequency and Narrow Pulse Applications
1 Features
1 AEC-Q100 grade 1 qualified
• 1.25-ns typical minimum input pulse width
• 2.6-ns typical rising propagation delay
• 2.9-ns typical falling propagation delay
• 300-ps typical pulse distortion
• Independent 7-A pull-up and 5-A pull-down
current
• 650-ps typical rise time (220-pF load)
• 850-ps typical fall time (220-pF load)
• 2-mm x 2-mm QFN package
• Inverting and non-inverting inputs
• UVLO and over-temperature protection
• Single 5-V supply voltage
2 Applications
Automotive LIDAR
Driver Monitoring
Vehicle Occupant Detection Sensor
DC/DC Converter
3 Description
The LMG1025-Q1 is a single channel low-side
enhancement-mode GaN FET and logic-level
MOSFET driver for high switching frequency
automotive applications. Narrow pulse width
capability, fast switching specification, and small
pulse distortion combine to significantly enhance
LiDAR, ToF, and Power Converter performance.
1.25-ns output pulse width enables more powerful,
eye-safe diode pulses. This, combined with 300-ns
distortion, leads to longer-range, precise LiDAR/ToF
systems. 2.9-ns propagation delay significantly
improves the control loop response time and thus
overall performance of the power converters. Split
output allows the drive strength and timing to be
independently adjusted through external resistors
between OUTH, OUTL, and the FET gate.
The driver features undervoltage lockout (UVLO) and
over-temperature protection (OTP) to ensure the
device is not damaged in overload or fault conditions.
LMG1025-Q1 is available in a compact, leadless,
AEC-Q100 automotive qualified package to meet the
size and gate loop inductance requirements of high
switching frequency automotive applications.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
(mm)
LMG1025-Q1
WSON(6)
2-mm x 2-mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical (Simplified) System Diagram
+5 V
VDD
LMG1025-Q1
OUTH
Vbus
R1
PWM
EN
IN+
IN±
OUTL
R2
GaN
GND
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

LMG1025-Q1
LMG1025-Q1
SNOSD74B – MAY 2019 – REVISED JANUARY 2020
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Switching Characteristics .......................................... 5
6.7 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 7
7.1 Overview ................................................................... 7
7.2 Functional Block Diagram ......................................... 7
7.3 Feature Description................................................... 7
7.4 Device Functional Modes.......................................... 8
8 Application and Implementation .......................... 9
8.1 Application Information.............................................. 9
8.2 Typical Application ................................................... 9
9 Power Supply Recommendations...................... 15
10 Layout................................................................... 16
10.1 Layout Guidelines ................................................. 16
10.2 Layout Example .................................................... 16
11 Device and Documentation Support ................. 17
11.1 Receiving Notification of Documentation Updates 17
11.2 Support Resources ............................................... 17
11.3 Trademarks ........................................................... 17
11.4 Electrostatic Discharge Caution ............................ 17
11.5 Glossary ................................................................ 17
12 Mechanical, Packaging, and Orderable
Information ........................................................... 17
4 Revision History
Changes from Revision A (August 2019) to Revision B
Page
• Changed marketing status from Advance Information to Production Data ............................................................................ 1
2 Submit Documentation Feedback
Copyright © 2019–2020, Texas Instruments Incorporated
Product Folder Links: LMG1025-Q1


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity LMG1025-Q1 SNOSD74B – MAY 201 9 – REVISED JANUARY 2020 LMG1025-Q1 A utomotive Low Side GaN and MOSFET Drive r For High Frequency and Narrow Pulse A pplications 1 Features •1 AEC-Q100 g rade 1 qualified • 1.25-ns typical mi nimum input pulse width • 2.6-ns typi cal rising propagation delay • 2.9-ns typical falling propagation delay • 300-ps typical pulse distortion • Ind ependent 7-A pull-up and 5-A pull-down current • 650-ps typical rise time (2 20-pF load) • 850-ps typical fall tim e (220-pF load) • 2-mm x 2-mm QFN pac kage • Inverting and non-inverting in puts • UVLO and over-temperature prot ection • Single 5-V supply voltage 2 Applications • Automotive LIDAR • D river Monitoring • Vehicle Occupant D etection Sensor • DC/DC Converter 3 Description The LMG1025-Q1 is a single channel low-side enhancement-mode GaN F ET and logic-level MOSFET driver for high switching frequency automotive applications. Narrow pulse.
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