Product details

Bus voltage (Max) (V) 100 Power switch MOSFET Input VCC (Min) (V) 8 Input VCC (Max) (V) 14 Peak output current (A) 3 Rise time (ns) 8 Operating temperature range (C) -40 to 125 Undervoltage lockout (Typ) 8 Rating Catalog Number of channels (#) 4 Fall time (ns) 8 Prop delay (ns) 22 Iq (uA) 10 Input threshold TTL Channel input logic TTL Negative voltage handling at HS pin (V) -1 Features Current Sense
Bus voltage (Max) (V) 100 Power switch MOSFET Input VCC (Min) (V) 8 Input VCC (Max) (V) 14 Peak output current (A) 3 Rise time (ns) 8 Operating temperature range (C) -40 to 125 Undervoltage lockout (Typ) 8 Rating Catalog Number of channels (#) 4 Fall time (ns) 8 Prop delay (ns) 22 Iq (uA) 10 Input threshold TTL Channel input logic TTL Negative voltage handling at HS pin (V) -1 Features Current Sense
SOIC (DW) 28 184 mm² 17.9 x 10.3
  • Renewable Energy Grade
  • Dual Half Bridge MOSFET Drivers
  • Integrated 100V Bootstrap Diodes
  • Independent High and Low Driver Logic Inputs
  • Bootstrap Supply Voltage Range up to 115V DC
  • Two Current Sense Amplifiers with Externally Programmable Gain and Buffered Outputs
  • Programmable Over Voltage Protection
  • Supply Rail Under-Voltage Lockouts with Power Good Indicator

All trademarks are the property of their respective owners.

Package

  • SOIC-28
  • Renewable Energy Grade
  • Dual Half Bridge MOSFET Drivers
  • Integrated 100V Bootstrap Diodes
  • Independent High and Low Driver Logic Inputs
  • Bootstrap Supply Voltage Range up to 115V DC
  • Two Current Sense Amplifiers with Externally Programmable Gain and Buffered Outputs
  • Programmable Over Voltage Protection
  • Supply Rail Under-Voltage Lockouts with Power Good Indicator

All trademarks are the property of their respective owners.

Package

  • SOIC-28

The SM72295 is designed to drive 4 discrete N type MOSFET’s in a full bridge configuration. The drivers provide 3A of peak current for fast efficient switching and integrated high speed bootstrap diodes. Current sensing is provided by 2 transconductance amplifiers with externally programmable gain and filtering to remove ripple current to provide average current information to the control circuit. The current sense amplifiers have buffered outputs available to provide a low impedance interface to an A/D converter if needed. An externally programmable input over voltage comparator is also included to shutdown all outputs. Under voltage lockout with a PGOOD indicator prevents the drivers from operating if VCC is too low.

The SM72295 is designed to drive 4 discrete N type MOSFET’s in a full bridge configuration. The drivers provide 3A of peak current for fast efficient switching and integrated high speed bootstrap diodes. Current sensing is provided by 2 transconductance amplifiers with externally programmable gain and filtering to remove ripple current to provide average current information to the control circuit. The current sense amplifiers have buffered outputs available to provide a low impedance interface to an A/D converter if needed. An externally programmable input over voltage comparator is also included to shutdown all outputs. Under voltage lockout with a PGOOD indicator prevents the drivers from operating if VCC is too low.

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Technical documentation

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Type Title Date
* Data sheet SM72295 Photovoltaic Full Bridge Driver datasheet (Rev. E) 05 Apr 2013
Application note Voltage Fed Full Bridge DC-DC & DC-AC Converter High-Freq Inverter Using C2000 (Rev. D) 07 Apr 2021
Application note External Gate Resistor Selection Guide (Rev. A) 28 Feb 2020
Application note Understanding Peak IOH and IOL Currents (Rev. A) 28 Feb 2020
Application note Optimizing MOSFET Characteristics by Adjusting Gate Drive Amplitude (Rev. A) 14 Nov 2018
More literature Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) 29 Oct 2018
Technical article How to achieve higher system robustness in DC drives, part 3: minimum input pulse 19 Sep 2018
Technical article How to achieve higher system robustness in DC drives, part 2: interlock and deadtime 30 May 2018
Technical article Boosting efficiency for your solar inverter designs 24 May 2018
Technical article How to achieve higher system robustness in DC drives, part 1: negative voltage 17 Apr 2018
Application note 800VA Pure Sine Wave Inverter's Reference Design (Rev. A) 01 Aug 2017
Application note SM72295 For Bi-Directional DC-to-DC Conversion (Rev. A) 01 Mar 2017
User guide SM72295EVM User’s Guide 05 May 2015
Application note AN-2116 SolarMagic ICs in Micro-inverter Applications (Rev. B) 06 May 2013
Application note AN-2122 SM3320-RF-EV Reference Design (Rev. E) 06 May 2013
Application note SM3320-BATT-EV Charge Controller Reference Design (Rev. C) 06 May 2013
Application note SM72295: Highly Integrated Gate Driver for 800VA to 3KVA Inverter Design (Rev. B) 06 May 2013

Design & development

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

Evaluation board

SM72295EVM — SM72295 Full Bridge Gate Driver with integrated Current Sense Amplifier Evaluation Module

SM72295EVM  provides a highly integrated gate driver solution for wide Industrial applications such as  800VA to 3kVA Pure Sine Wave Inverter , Interleaved Buck or Boost SMPS , four Switch Buck Boost SMPS etc  . With its unique features of higher peak current drive capability along (...)

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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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 (...)
Reference designs

TIDA-00210 — 75V/10A Protected Full-Bridge Power Stage Reference Design for Bipolar Stepper Drives

Stepper drives are used in many applications operating typically from 12VDC to 48VDC. TI offers a rich family of stepper motor driver solutions with industry standard step/direction and parallel control interfaces.

For applications which require higher torque and power, often voltages above 48VDC, (...)
Reference designs

TIDA-00365 — 75V/10A Protected Full-Bridge Power Stage Reference Design for Brushed DC Drives

Low voltage brushed DC drives are used in many applications. TI offers a rich family of brushed DC motor driver solutions with flexible control interface options for one or more brushed DC motors up to 60V.  For applications which require higher torque and power, often voltages above 60VDC (...)
Reference designs

TIDA-00120 — Solar MPPT Charge Controller Reference Design

This design is a 20A Maximum Power Point Tracking (MPPT) solar charge controller created for solar panel inputs corresponding to 12V and 24V panels. The design is targeted for small and medium power solar charger solutions and is capable of operating with 12V/24V panels and 12V/24V batteries up to (...)
Reference designs

PMP9461 — Complete Gate Drive and Bias Power Solution for Solar MicroInverter's DC/DC and DC/AC Blocks

PMP9461 is a reference design with complete power and gate drive requirements for grid tie solar microinverters.  The major goal of the reference design is to acheive significant integration and perfomance enhancement in gate drive as well as the bias supply segment (...)
Reference designs

TIDA-00558 — 672-W, Highly Integrated Reference Design for Automotive Bidirectional 48-V/12-V Converter

Today's automotive power consumtion is 3KW, which will increase to 10KW in next 5 years and 12V batttary is unable to provide that much power. 48-12V bi-directional convertor provides high power requirement solution with two phases each capable of running 28A.  This solution allows (...)
Reference designs

PMP9455 — Integrated Gate Driver for Residential Inverters Reference Design

The PMP9455  reference design provides a highly integrated gate driver solution for 800VA to 3kVA iPure Sine Wave Low Frequency Inverter application . With its unique features of higher peak current drive capability along with integration of two transconductance amplifier with external (...)
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