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IR3220
Fully Protected H-Bridge for DC Motor in a 20 Lead SOIC package
Preliminary Data Sheet No.PD60180-B
Internet onol
TOR Rectifier IR3220
FULLY PROTECTED H-BRIDGE FOR D.C. MOTOR
Features Product Summary
. Over temperature shutdown
. Over current shutdown Rds(on) 12mn max.
q Inrush current limited by Soft-Start sequence
. E.S.D protection Vcc.op. 5.5 to 35V
. Status feedback
. Sleep mode for direct battery connection
. Braking/non-braking operation
Description
I cont. (Ta = 85°C) 7.0A
lshutdown 30A
Oper.Freq. 20 kHz
The IR 3220 is a Fully Protected Dual High Side Switch LC.
1/Mth two additional Low Side switches (e.g. IRF7474 - avail-
able 01/01), the IR 3220 drives and controls the whole H bridge Packages
topology. It provides shoot-through protection for each leg, H
bridge logic control, soft-start sequence and over-current lover-
temp. protections. The signals INI and IN2 select the opera-
tion modes and the PWM Soft-Start sequence cycles the cor-
responding 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 protects the whole
H bridge function. The Soft-Start sequence is programmed by ' .
an RC time constant and reset itself automatically. 20 Lead SOIC (wide body)
. . (IR3220)
Typical Connection
8 Lead SOIC
(e.g. IRF7474) _ _ w
IR 3220 'm
Diagnostic
SS Feedback
INI LSgatel MI M2 LSgachlN-
Clockwise mulmn
D Counter clockwise mmmn
so 8 Mosfet S SO 8 Mosfet
Controller
Electrical stop Electrical slop
1
IR3220
Absolute Maximum Ratings
Absolute maximum ratings indicates sustained limits beyond which damage to the device may occur. All voltage param-
eters are referenced to Gnd lead. (TAmbient = 25°C unless otherwise specified). Symbols with (2) refer to M2 output.
International
TOR Rectifier
Symbol Parameter Min. Max. Units
Vm1 (2) Maximum M1 (M2) voltage (active clamp) I/CC-N Vcc+0.3
Vin1 (2) Maximum IN 1 (IN 2) voltage -0.3 5.5 V
Vcc/gnd Maximum Vcc pin to GND pin voltage 0.3 50
I in1 (2) Maximum IN1 (IN 2) current -1 10 mA
V91 (2) Maximum Gate 1 (Gate 2 ) voltage -0.3 7.5
Vss Maximum SS voltage -0.3 5.5 V
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''C1W) (1) - 3.0
(Rth=4S'C/W) (1) - 4.0 A
Isd pulsed Diode max. pulsed current (1) - 15
ESD 1 Electrostatic discharge ( human body model C=100pF, R=1500f2) - tbd
ESD 2 Electrostatic discharge ( machine model C=200pF, R=OQ, L=10pH) - tbd V
PD Maximum power dissipation ( Rth = 60°CNV) - 1.5
TJ max. Max. storage & operating junction temperature -40 +150 0 C
TL Lead temperature ( soldering 10 seconds ) - 300
Vcc max. Maximum Vcc voltage - 37 V
I91 (2) max. Maximum gate current (Ton < SuS) - 100 m A
I91 (2) avg. Maximum average gate current - 10
(1) Limited byjunction temperature (pulsed current limited also by internal wiring)
Thermal Characteristics
Symbol Parameter Typ. Max. Units
Rth 1 Thermal junction to amb. resistance (stnd footprint 1 MOS on) 60 - °CNV
Rth 2 Thermal junction to ambient resistance (1" sq. footprint 1 MOS on) 45 -
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