Product
0
UCC21540
  • UCC21540
  • UCC21540
  • UCC21540
  • UCC21540

UCC21540

ACTIVE

5.7kVrms 4A/6A dual-channel isolated gate driver with dual inputs, DT pin & 8V UVLO in DW or DWK pkg

Texas Instruments UCC21540 Product Info

1 April 2026 3

Parameters

Number of channels

2

Isolation rating

Reinforced

Power switch

GaNFET, IGBT, MOSFET

Withstand isolation voltage (VISO) (Vrms)

5700

Working isolation voltage (VIOWM) (Vrms)

1000

Transient isolation voltage (VIOTM) (VPK)

8000

Peak output current (A)

6

Peak output current (source) (typ) (A)

4

Peak output current (sink) (typ) (A)

6

Features

Disable, Programmable dead time

Output VCC/VDD (min) (V)

9.2

Output VCC/VDD (max) (V)

18

Input supply voltage (min) (V)

3

Input supply voltage (max) (V)

5.5

Propagation delay time (µs)

0.028

Input threshold

CMOS, TTL

Operating temperature range (°C)

-40 to 125

Rating

Catalog

Bootstrap supply voltage (max) (V)

1414

Rise time (ns)

5

Fall time (ns)

6

Undervoltage lockout (typ) (V)

8

Package

SOIC (DW)-16-106.09 mm² 10.3 x 10.3

Features

  • Wide body package options
    • DW SOIC-16: pin-2-pin to UCC21520
    • DWK SOIC-14: 3.3 mm Ch-2-Ch spacing
  • Up to 4A peak source and 6A peak sink output
  • Up to 18V VDD output drive supply
    • 5V and 8V VDD UVLO options
  • CMTI greater than 125V/ns
  • Switching parameters:
    • 33ns typical propagation delay
    • 6ns maximum pulse-width distortion
    • 10µs maximum VDD power-up delay
  • Resistor-programmable dead time
  • TTL and CMOS compatible inputs
  • Safety-related certifications (planned):
    • 8000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5700VRMS isolation for 1 minute per UL 1577
    • CQC certification per GB4943.1-2022
  • Wide body package options
    • DW SOIC-16: pin-2-pin to UCC21520
    • DWK SOIC-14: 3.3 mm Ch-2-Ch spacing
  • Up to 4A peak source and 6A peak sink output
  • Up to 18V VDD output drive supply
    • 5V and 8V VDD UVLO options
  • CMTI greater than 125V/ns
  • Switching parameters:
    • 33ns typical propagation delay
    • 6ns maximum pulse-width distortion
    • 10µs maximum VDD power-up delay
  • Resistor-programmable dead time
  • TTL and CMOS compatible inputs
  • Safety-related certifications (planned):
    • 8000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5700VRMS isolation for 1 minute per UL 1577
    • CQC certification per GB4943.1-2022

Description

The UCC2154x is an isolated dual channel gate driver family designed with up to 4 A/6 A peak source/sink current to drive power MOSFET, IGBT, and GaN transistors. UCC2154x in DWK package also offers 3.3-mm minimum channel-to-channel spacing, which facilitates higher bus voltage.

The UCC2154x family can be configured as two low-side drivers, two high-side drivers, or a half-bridge driver. The input side is isolated from the two output drivers by a 5.7-kVRMS isolation barrier, with a minimum of 125-V/ns common-mode transient immunity (CMTI).

Protection features include: resistor programmable dead time, disable feature to shut down both outputs simultaneously, and negative voltage handling for up to –5-V spikes for 50 ns on input pins. All supplies have UVLO protection.

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