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IR3221 - FULLY PROTECTED H-BRIDGE for DC MOTOR

General Description

The IR3221 is a Fully Protected Dual High Side Switch I.C.

With two additional Low Side switches (IRL1404), the IR3221 drives and controls the whole H bridge topology.

Key Features

  • Over temperature shutdown Over current shutdown Ιnrush current limited by Soft-Start sequence E. S. D protection Sleep mode for direct battery connection Braking / non-braking operation Internal switching oscillator Direct interface for End switches Product Summary Rdson Vcc. op. I cont. ( heat sink ) I shutdown Oper. Freq. 15 mΩ max. 5.5 to 35 V 20.0 A 50 A 20 kHz.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary Data Sheet No. PD60205 IR3221 FULLY PROTECTED H-BRIDGE for DC MOTOR Features • • • • • • • • Over temperature shutdown Over current shutdown Ιnrush current limited by Soft-Start sequence E.S.D protection Sleep mode for direct battery connection Braking / non-braking operation Internal switching oscillator Direct interface for End switches Product Summary Rdson Vcc.op. I cont. ( heat sink ) I shutdown Oper. Freq. 15 mΩ max. 5.5 to 35 V 20.0 A 50 A 20 kHz Description Packages The IR3221 is a Fully Protected Dual High Side Switch I.C. With two additional Low Side switches (IRL1404), the IR3221 drives and controls the whole H bridge topology. It provides shoot-through protection for each leg, H bridge logic control, soft-start sequence and over-current /over-temp. protections.