Home Power management Gate drivers Half-bridge drivers
Home
Power management
Gate drivers
Half-bridge drivers
NEW

UCC27834

ACTIVE

230V 4A half-bridge gate driver with 8V UVLO and interlock

Order now
Data sheet

UCC27834

ACTIVE
Data sheet Order now

Product details

Bootstrap supply voltage (max) (V) 230 Power switch IGBT, MOSFET Input supply voltage (min) (V) 8.5 Input supply voltage (max) (V) 20 Peak output current (A) 4 Operating temperature range (°C) -40 to 150 Undervoltage lockout (typ) (V) 8 Rating Catalog Propagation delay time (µs) 0.029 Rise time (ns) 7.5 Fall time (ns) 6.5 Switch node voltage (V) -23 Features Interlock
Bootstrap supply voltage (max) (V) 230 Power switch IGBT, MOSFET Input supply voltage (min) (V) 8.5 Input supply voltage (max) (V) 20 Peak output current (A) 4 Operating temperature range (°C) -40 to 150 Undervoltage lockout (typ) (V) 8 Rating Catalog Propagation delay time (µs) 0.029 Rise time (ns) 7.5 Fall time (ns) 6.5 Switch node voltage (V) -23 Features Interlock
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Dual independent inputs for high-side and low-side drivers with interlock (UCC27834) or no interlock (UCC27884)
  • Maximum bootstrap voltage: +230V (HB pin)
  • VDD bias recommended range: 8.5V to 20V
  • Peak output current: 3.5A source, 4A sink
  • Fast propagation delay: 29ns typical
  • Tight propagation delay matching between HO/LO: <5ns maximum
  • dV/dt immunity: 100V/ns
  • Low quiescent supply current draw
    • 150µA (typical) on VDD
    • 90µA (typical) on HB
  • Built-in UVLO protection for both high and low side channels: 8V
  • Floating channel designed for bootstrap operation
  • Available in standard SOIC-8 package
  • All parameters specified over temperature range: –40°C to +150°C
  • Dual independent inputs for high-side and low-side drivers with interlock (UCC27834) or no interlock (UCC27884)
  • Maximum bootstrap voltage: +230V (HB pin)
  • VDD bias recommended range: 8.5V to 20V
  • Peak output current: 3.5A source, 4A sink
  • Fast propagation delay: 29ns typical
  • Tight propagation delay matching between HO/LO: <5ns maximum
  • dV/dt immunity: 100V/ns
  • Low quiescent supply current draw
    • 150µA (typical) on VDD
    • 90µA (typical) on HB
  • Built-in UVLO protection for both high and low side channels: 8V
  • Floating channel designed for bootstrap operation
  • Available in standard SOIC-8 package
  • All parameters specified over temperature range: –40°C to +150°C

The UCC278X4 is a 230V half-bridge gate driver with 3.5A source, 4A sink current, targeted to drive power MOSFETs. The device consists of one ground-referenced channel (LO) and one floating channel (HO) which is designed to drive half-bridge configured MOSFETs operating with bootstrap power supplies. The device features fast propagation delays and excellent delay matching between both channels. The UCC278X4 allows a wide VDD operating voltage of 8.5V to 20V to support a wider range of gate voltage drive, as well as UVLO protection for both the low-side (VDD) and the high-side (HB) bias supplies. The UCC27834 includes an interlock function option to prevent both outputs from being turned on simultaneously

The device features robust drive with excellent noise and transient immunity including high dV/dt tolerance (100V/ns), and wide negative transient safe operating area (NTSOA) on the switch node (HS). The UCC278X4 is available in the SOIC-8 pin package and is rated to operate from –40°C to 150°C.

The UCC278X4 is a 230V half-bridge gate driver with 3.5A source, 4A sink current, targeted to drive power MOSFETs. The device consists of one ground-referenced channel (LO) and one floating channel (HO) which is designed to drive half-bridge configured MOSFETs operating with bootstrap power supplies. The device features fast propagation delays and excellent delay matching between both channels. The UCC278X4 allows a wide VDD operating voltage of 8.5V to 20V to support a wider range of gate voltage drive, as well as UVLO protection for both the low-side (VDD) and the high-side (HB) bias supplies. The UCC27834 includes an interlock function option to prevent both outputs from being turned on simultaneously

The device features robust drive with excellent noise and transient immunity including high dV/dt tolerance (100V/ns), and wide negative transient safe operating area (NTSOA) on the switch node (HS). The UCC278X4 is available in the SOIC-8 pin package and is rated to operate from –40°C to 150°C.
filter Find other Half-bridge drivers
Download View video with transcript Video

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 9
Type Title Date
* Data sheet UCC278X4 High-Speed, 230V Half-Bridge Driver with 3.5A, 4A Drive Strength and up to 100V/ns Noise Immunity datasheet (Rev. A) PDF | HTML 18 Nov 2025
Application note Using Half-Bridge Gate Driver to Achieve 100% Duty Cycle for High Side FET PDF | HTML 25 Mar 2024
Application note Challenges and Solutions for Half-Bridge Gate Drivers in Bidirectional DC-DC Converters PDF | HTML 24 Jan 2024
Application note Review of Different Power Factor Correction (PFC) Topologies' Gate Driver Needs PDF | HTML 22 Jan 2024
Application note Bootstrap Circuitry Selection for Half Bridge Configurations (Rev. A) PDF | HTML 08 Sep 2023
Application note Comparative Analysis of Two Different Methods for Gate-Drive Current Boosting (Rev. A) PDF | HTML 17 Feb 2022
Application note Voltage Fed Full Bridge DC-DC & DC-AC Converter High-Freq Inverter Using C2000 (Rev. D) 07 Apr 2021
Application note Implementing High-Side Switches Using Half-Bridge Gate Drivers for 48-V Battery. 12 May 2020
Application brief External Gate Resistor Selection Guide (Rev. A) 28 Feb 2020

Design & development

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

Evaluation board

UCC27288EVM — UCC27288 100-V, 3-A, 8-V UVLO half-bridge gate driver evaluation module

UCC27288EVM is designed for evaluating UCC27288D, which is a 100-V half bridge gate driver with 2.5-A peak source current and 3.5-A peak sink current capability. This EVM serves as a reference design for driving power MOSFETs with up to 20-V drive voltage.
User guide: PDF
Not available on TI.com
Calculation tool

UCC278X4-CALC — UCC278x4 Schematic Review Template

UCC278x4 Schematic Review Template
Supported products & hardware

Supported products & hardware

Products
Half-bridge drivers
  • UCC27834 — 230V 4A half-bridge gate driver with 8V UVLO and interlock
  • UCC27834-Q1 — Automotive 230V 4A half-bridge gate driver with 8V UVLO and interlock
  • UCC27884 — 230V 4A half-bridge driver with 8V UVLO and enable
  • UCC27884-Q1 — Automotive 230V 4A half-bridge driver with 8V UVLO, and enable
Download
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 (...)
Request
Package Pins CAD symbols, footprints & 3D models
SOIC (D) 8 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos