Features: • Over temperature shutdown• Over current shutdown• Inrush current limited by Soft-Start sequence• E.S.D protection• Status feedback• Sleep mode for direct battery connection• Braking/non-braking operationPinoutSpecifications Symbol Paramet...
IR3220: Features: • Over temperature shutdown• Over current shutdown• Inrush current limited by Soft-Start sequence• E.S.D protection• Status feedback• Sleep mode for dir...
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Symbol | Parameter | Min. | Max. | Units | |
Vm1 (2) | Maximum M1 (M2) voltage (active clamp) | Vcc-37 | Vcc+0.3 | V | |
Vin1 (2) | Maximum IN 1 (IN 2) voltage | -0.3 | 5.5 | ||
Vcc/gnd | Maximum Vcc pin to GND pin voltage | 0.3 | 50 | ||
Iin1 (2) | Maximum IN1 (IN 2) current | -1 | 10 | mA | |
Vg1 (2) | Maximum Gate 1 ( Gate 2 ) voltage | -0.3 | 7.5 | V | |
Vss | Maximum SS voltage | -0.3 | 5.5 | ||
Vrc | Maximum Vrc voltage | -0.3 | 5.5 | ||
Irc | Maximum output current of the Vrc pin | - | 1 | mA | |
Vdg | Maximum diagnostic output voltage | -0.3 | 5.5 | V | |
Idg | Maximum diagnostic output current | -1 | 10 | mA | |
Isd cont. | Diode max. permanent current | Rth=60/W) (1) | - | 3.0 | A |
Rth=45/W) (1) | - | 4.0 | |||
Isd pulsed | Diode max. pulsed current (1) | - | 15 | ||
ESD 1 | Electrostatic discharge ( human body model C=100pF, R=1500Ω) | - | tbd | V | |
ESD 2 | Electrostatic discharge ( machine model C=200pF, R=0Ω, L=10µH) | - | tbd | ||
PD | Maximum power dissipation ( Rth = 60/W ) | - | 1.5 | W | |
TJ max. | Max. storage & operating junction temperature | -40 | +150 | ||
TL | Lead temperature ( soldering 10 seconds ) | - | 300 | ||
Vcc max. | Maximum Vcc voltage | - | 37 | V | |
Ig1 (2) max. | Maximum gate current (Ton < 5µS) | - | 100 | mA | |
Ig1 (2) avg. | Maximum average gate current | - | 10 |
The IR3220 is a Fully Protected Dual High Side Switch I.C. With two additional Low Side switches (e.g. IRF7474 - available 01/01), the IR 3220 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 /overtemp. 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 current. By using the recommended part number and the proper cooling, the inner High Side IPS of the IR3220 protects the whole H bridge function. The Soft-Start sequence is programmed by an RC time constant and reset itself automatically.