• Part: IR3221
  • Description: FULLY PROTECTED H-BRIDGE for DC MOTOR
  • Manufacturer: International Rectifier
  • Size: 96.96 KB
Download IR3221 Datasheet PDF
International Rectifier
IR3221
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 k Hz 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. The signals IN1 and IN2 select the operation modes and the PWM Soft-Start sequence cycles the corresponding active low side switch in order to limit the motor inrush cur SIP 15 TO220 - IRL1404 rent. By using the remended part number and the proper cooling, the inner High Side IPS...