IR2121 Current Limiting Low Side Driver DIP 8 IC

IR2121 Current Limiting Low Side Driver DIP 8 IC

The IR2121 is a robust low-side gate driver IC with built-in current limiting, designed for driving N-channel power MOSFETs or IGBTs in low-side switching applications. Housed in a DIP-8 package, it is ideal for motor drives, SMPS, and inverter circuits where reliable gate drive and protection are required.

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Key Features

• IC Type: Low-Side Gate Driver with Current Limiting
• Model: IR2121
• Package: DIP-8 (Through-Hole)
• Built-in current sensing and cycle-by-cycle current limiting
• High peak gate drive current capability
• Under-voltage lockout (UVLO)
• Fast turn-on and turn-off times
• TTL/CMOS compatible input
• High noise immunity

Typical Applications

• Low-side MOSFET and IGBT drivers
• Motor control and motor drives
• Switch-mode power supplies (SMPS)
• Inverters and UPS systems
• Induction heating and power switching circuits
• DIY and educational power electronics projects

IR2121 IC Datasheet