Home Power management Gate drivers Low-side drivers

UCC27519

ACTIVE

4-A/4-A single-channel gate driver with 5-V UVLO, enable, and CMOS input

Product details

Number of channels 1 Power switch GaNFET, IGBT, MOSFET Peak output current (A) 4 Input supply voltage (min) (V) 4.5 Input supply voltage (max) (V) 18 Features Enable pin Operating temperature range (°C) -40 to 140 Rise time (ns) 8 Fall time (ns) 7 Propagation delay time (µs) 0.017 Input threshold CMOS Channel input logic Non-Inverting Input negative voltage (V) 0 Rating Catalog Undervoltage lockout (typ) (V) 4 Driver configuration Non-Inverting
Number of channels 1 Power switch GaNFET, IGBT, MOSFET Peak output current (A) 4 Input supply voltage (min) (V) 4.5 Input supply voltage (max) (V) 18 Features Enable pin Operating temperature range (°C) -40 to 140 Rise time (ns) 8 Fall time (ns) 7 Propagation delay time (µs) 0.017 Input threshold CMOS Channel input logic Non-Inverting Input negative voltage (V) 0 Rating Catalog Undervoltage lockout (typ) (V) 4 Driver configuration Non-Inverting
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Low-Cost, Gate-Driver Device Offering Superior
    Replacement of NPN and PNP Discrete Solutions
  • Pin-to-Pin Compatible With TI’s TPS2828 and
    TPS2829 devices
  • 4-A Peak Source and 4-A Peak Sink Symmetrical Drive
  • Fast Propagation Delays (17-ns Typical)
  • Fast Rise and Fall Times (8-ns and 7-ns Typical)
  • 4.5-V to 18-V Single Supply Range
  • Outputs Held Low During VDD UVLO (Ensures Glitch-
    Free Operation at Power Up and Power Down)
  • CMOS Input Logic Threshold (Function of Supply
    Voltage With Hysteresis)
  • Hysteretic Logic Thresholds for High Noise
    Immunity
  • EN Pin for Enable Function (Allowed to Be No
    Connect)
  • Output Held Low when Input Pins are Floating
  • Input Pin Absolute Maximum Voltage Levels Not
    Restricted by VDD Pin Bias Supply Voltage
  • Operating Temperature Range of –40°C
    to 140°C
  • 5-Pin DBV Package (SOT-23)
  • Low-Cost, Gate-Driver Device Offering Superior
    Replacement of NPN and PNP Discrete Solutions
  • Pin-to-Pin Compatible With TI’s TPS2828 and
    TPS2829 devices
  • 4-A Peak Source and 4-A Peak Sink Symmetrical Drive
  • Fast Propagation Delays (17-ns Typical)
  • Fast Rise and Fall Times (8-ns and 7-ns Typical)
  • 4.5-V to 18-V Single Supply Range
  • Outputs Held Low During VDD UVLO (Ensures Glitch-
    Free Operation at Power Up and Power Down)
  • CMOS Input Logic Threshold (Function of Supply
    Voltage With Hysteresis)
  • Hysteretic Logic Thresholds for High Noise
    Immunity
  • EN Pin for Enable Function (Allowed to Be No
    Connect)
  • Output Held Low when Input Pins are Floating
  • Input Pin Absolute Maximum Voltage Levels Not
    Restricted by VDD Pin Bias Supply Voltage
  • Operating Temperature Range of –40°C
    to 140°C
  • 5-Pin DBV Package (SOT-23)

The UCC27518 and UCC27519 single-channel, high-speed, low-side gate driver device can effectively drive MOSFET and IGBT power switches. Using a design that inherently minimizes shoot-through current, UCC27518 and UCC27519 can source and sink high, peak-current pulses into capacitive loads offering rail-to-rail drive capability and extremely small propagation delay typically 17 ns.

The UCC27518 and UCC27519 provide 4-A source, 4-A sink (symmetrical drive) peak-drive current capability at VDD = 12 V.

The UCC27518 and UCC27519 are designed to operate over a wide VDD range of 4.5 V to 18 V and a wide temperature range of –40°C to 140°C. Internal under voltage lockout (UVLO) circuitry on the VDD pin holds output low outside VDD operating range. The capability to operate at low voltage levels such as below 5 V, along with best-in-class switching characteristics, is especially suited for driving emerging wide band-gap power switching devices such as GaN power semiconductor devices.

The input pin threshold of the UCC27518 and UCC27519 are based on CMOS logic where the threshold voltage is a function of the VDD supply voltage. Typically Input High Threshold (VIN-H) is 55% VDD and Input Low Threshold (VIN-L) is 39% VDD. Wide hysteresis (16% VDD typically) between the high and low thresholds offers excellent noise immunity and lets users introduce delays using RC circuits between the input PWM signal and the INx pin of the device.

The UCC27518 and UCC27519 also feature a floatable enable function on the EN pin. The EN pin can be left in a no connect condition, which allows pin-to-pin compatibility between the UCC27518, UCC27519 and the TPS2828, TPS2829, respectively. The thresholds of the EN pin is a fixed voltage threshold and does not vary based on VDD pin bias voltage. Typically, the Enable High Threshold (VEN-H) is 2.1 V and Enable Low Threshold (VEN-L) is 1.25 V.

The UCC27518 and UCC27519 single-channel, high-speed, low-side gate driver device can effectively drive MOSFET and IGBT power switches. Using a design that inherently minimizes shoot-through current, UCC27518 and UCC27519 can source and sink high, peak-current pulses into capacitive loads offering rail-to-rail drive capability and extremely small propagation delay typically 17 ns.

The UCC27518 and UCC27519 provide 4-A source, 4-A sink (symmetrical drive) peak-drive current capability at VDD = 12 V.

The UCC27518 and UCC27519 are designed to operate over a wide VDD range of 4.5 V to 18 V and a wide temperature range of –40°C to 140°C. Internal under voltage lockout (UVLO) circuitry on the VDD pin holds output low outside VDD operating range. The capability to operate at low voltage levels such as below 5 V, along with best-in-class switching characteristics, is especially suited for driving emerging wide band-gap power switching devices such as GaN power semiconductor devices.

The input pin threshold of the UCC27518 and UCC27519 are based on CMOS logic where the threshold voltage is a function of the VDD supply voltage. Typically Input High Threshold (VIN-H) is 55% VDD and Input Low Threshold (VIN-L) is 39% VDD. Wide hysteresis (16% VDD typically) between the high and low thresholds offers excellent noise immunity and lets users introduce delays using RC circuits between the input PWM signal and the INx pin of the device.

The UCC27518 and UCC27519 also feature a floatable enable function on the EN pin. The EN pin can be left in a no connect condition, which allows pin-to-pin compatibility between the UCC27518, UCC27519 and the TPS2828, TPS2829, respectively. The thresholds of the EN pin is a fixed voltage threshold and does not vary based on VDD pin bias voltage. Typically, the Enable High Threshold (VEN-H) is 2.1 V and Enable Low Threshold (VEN-L) is 1.25 V.

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Technical documentation

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Type Title Date
* Data sheet UCC2751x Single-Channel, High-Speed, Low-Side Gate Driver (Based On CMOS Input Threshold With 4-A Peak Source and 4-A Peak Sink) datasheet (Rev. A) PDF | HTML 31 Dec 2014
Application brief External Gate Resistor Selection Guide (Rev. A) 28 Feb 2020
Application brief Understanding Peak IOH and IOL Currents (Rev. A) 28 Feb 2020
More literature Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) 29 Oct 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application brief Low-Side Gate Drivers With UVLO Versus BJT Totem-Pole 16 Mar 2018

Design & development

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

Simulation model

UCC27519 PSpice Transient Model

SLUM307.ZIP (50 KB) - PSpice Model
Simulation model

UCC27519 TINA-TI Transient Reference Design

SLUM403.TSC (601 KB) - TINA-TI Reference Design
Simulation model

UCC27519 TINA-TI Transient Spice Model

SLUM404.ZIP (7 KB) - TINA-TI Spice Model
Simulation model

UCC27519 Unencrypted PSpice Transient Model

SLVMBJ8.ZIP (1 KB) - PSpice Model
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

PMP23123 — Isolated active clamp-forward converter (19-V, 4-A to 40-V, 2.5-A) reference design

This reference design uses an active clamp-forward converter for an 18-V to 36-V DC input to isolated output adjustable from 19 V, 4 A to 40 V and 2.5 A. UCC2897A PWM controller provides the control for the active clamp-forward converter.
Test report: PDF
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SOT-23 (DBV) 5 Ultra Librarian

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