參數(shù)資料
型號: IR3220
廠商: International Rectifier
英文描述: FULLY PROTECTED H-BRIDGE FOR D.C. MOTOR
中文描述: 充分保護(hù)H型直流電橋
文件頁數(shù): 1/10頁
文件大?。?/td> 395K
代理商: IR3220
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 operation
Description
IR3220
Preliminary Data Sheet No.PD60180-B
The IR 3220 is a Fully Protected Dual High Side Switch I.C.
With two additional Low Side switches (e.g. IRF7474 - avail-
able 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 /over-
temp. protections. The signals IN1 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.
Typical Connection
FULLY PROTECTED H-BRIDGE FOR D.C. MOTOR
Product Summary
R
ds(on)
V
cc.op.
I
cont.
(Ta = 85oC)
I
shutdown
O
per.
F
req.
12m
max.
5.5 to 35V
7.0A
30A
20 kHz
LS gate 1
LS gate 2
VCC
SS
DG
IN 1
IN 2
M 1
M 2
D
S
Micro
Controller
Clockwise motion
Diagnostic
Feedback
Counter clockwise motion
Electrical stop
Vrc
+ 5 V
Gnd
Electrical stop
D
S
G
SO 8 Mosfet
G
SO 8 Mosfet
0 V
+ Bat.
10 k
10 k
10 k
R
C
Rg
Rg
8 Lead SOIC
(e.g. IRF7474)
Packages
20 Lead SOIC (wide body)
(IR3220)
www.irf.com
1
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