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IR2121
  • IR2121

IR2121

EiceDRIVER™ 5 V low side gate driver IC with typical 1.6 A source and 3.3 A sink currents in 8 Lead PDIP package for IGBTs and MOSFETs .

Infineon Technologies IR2121 Product Info

16 April 2026 1

Parameters

Channels

1

Configuration

Low-side

Input Vcc range

12 V to 18 V

Isolation Type

Non-isolated

Output Current (Sink)

3.3 A

Output Current (Source)

1.6 A

Qualification

Industrial

Turn Off Propagation Delay

200 ns

Turn On Propagation Delay

150 ns

VBS UVLO (On)

8.9 V

VBS UVLO (Off)

8.2 V

VCC UVLO (On)

8.9 V

VCC UVLO (Off)

8 V

Voltage Class

5 V

Apps

Power tools, Home appliances, Photovoltaic, Power conversion

Features

  • Gate drive supply range: 12 to 18 V
  • Undervoltage lockout
  • Current detection
  • Current limiting loop
  • Limit driven power transis. current
  • Error lead indicates fault conditi.
  • Error lead programs shutdown time
  • Output in phase with input
  • 2.5, 5 & 15 V input logic compatib.

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