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UCC27834-Q1

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Automotive 200-V, 4-A/4-A half-bridge driver with interlock and 7-V UVLO

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Data sheet

UCC27834-Q1

ACTIVE
Data sheet Order now

Product details

Bootstrap supply voltage (max) (V) 230 Power switch IGBT, MOSFET Peak output current (A) 4 Operating temperature range (°C) -40 to 150 Undervoltage lockout (typ) (V) 8 Rating Automotive Rise time (ns) 7 Fall time (ns) 6
Bootstrap supply voltage (max) (V) 230 Power switch IGBT, MOSFET Peak output current (A) 4 Operating temperature range (°C) -40 to 150 Undervoltage lockout (typ) (V) 8 Rating Automotive Rise time (ns) 7 Fall time (ns) 6
SOIC (D) 8 29.4 mm² 4.9 x 6
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1
  • Dual independent inputs for high-side and low-side drivers with interlock (UCC27834-Q1) or no interlock (UCC27884-Q1)
  • Maximum bootstrap voltage of +230V (HB pin)
  • 8.5V to 20V VDD bias recommended range
  • Peak output current of 3.5A source, 4A sink
  • Fast propagation delay (29ns typical)
  • Tight propagation delay matching between HO/LO (<5ns max)
  • dV/dt immunity of 100V/ns
  • Low quiescent supply current draw of 150µA (typical) on VDD and 90µA (typical) on HB
  • Built-in 8V UVLO protection for both high and low side channels
  • Floating channel designed for bootstrap operation
  • Available in standard SOIC-8 package
  • All parameters specified over temperature range, –40°C to +150°C
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1
  • Dual independent inputs for high-side and low-side drivers with interlock (UCC27834-Q1) or no interlock (UCC27884-Q1)
  • Maximum bootstrap voltage of +230V (HB pin)
  • 8.5V to 20V VDD bias recommended range
  • Peak output current of 3.5A source, 4A sink
  • Fast propagation delay (29ns typical)
  • Tight propagation delay matching between HO/LO (<5ns max)
  • dV/dt immunity of 100V/ns
  • Low quiescent supply current draw of 150µA (typical) on VDD and 90µA (typical) on HB
  • Built-in 8V UVLO protection for both high and low side channels
  • 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-Q1 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-Q1 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-Q1 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-Q1 is available in the SOIC-8 pin package and is rated to operate from –40°C to 150°C.

The UCC278X4-Q1 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-Q1 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-Q1 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-Q1 is available in the SOIC-8 pin package and is rated to operate from –40°C to 150°C.
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* Data sheet UCC278X4-Q1 High-Speed, Automotive 230V Half-Bridge Driver with 3.5A, 4A Drive Strength and up to 100V/ns Noise Immunity datasheet PDF | HTML 24 Sep 2025

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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.
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