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PDF IR2175SPBF Data sheet ( Hoja de datos )
| Número de pieza | IR2175SPBF | |
| Descripción | LINEAR CURRENT SENSING IC | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Data Sheet No. PD60208 Rev. E
IR2175(S) & (PbF)
LINEAR CURRENT SENSING IC
Features
• Floating channel up to +600V
• Monolithic integration
• Linear current feedback through shunt resistor
• Direct digital PWM output for easy interface
• Low IQBS allows the boot strap power supply
• Independent fast overcurrent trip signal
• High common mode noise immunity
• Input overvoltage protection for IGBT short circuit
condition
• Open Drain outputs
• Also available LEAD-FREE
Description
The IR2175 is a monolithic current sensing IC designed
for motor drive applications. It senses the motor phase
current through an external shunt resistor, converts from
analog to digital signal, and transfers the signal to the
low side. IR’s proprietary high voltage isolation tech-
nology is implemented to enable the high bandwidth
signal processing. The output format is discrete PWM
to eliminate need for the A/D input interface for the
IR2175. The dedicated overcurrent trip (OC) signal fa-
cilitates IGBT short circuit protection. The open-drain
outputs make easy for any interface from 3.3V to 15V. S
Block Diagram
Product Summary
VOFFSET
IQBS
Vin
Gain temp.drift
fo
Overcurrent trip
signal delay
600Vmax
2mA
+/-260mVmax
20ppm/oC (typ.)
130kHz (typ.)
2µsec (typ)
Overcurrent trip level +/-260mV (typ.)
Packages
8 Lead PDIP
IR2175
Up to 600V
8 Lead SOIC
IR2175S
15V
PWM Output
GND
Overcurrent
VCC
V+
PO VS
IR2175
COM
VB
OC
To Motor Phase
(Refer to Lead Assignments for cor-
rect pin configuration). This/These
diagram(s) show electrical connec-
tions only. Please refer to our Appli-
cation Notes and DesignTips for
proper circuit board layout.
1 page  
Lead Definitions
Symbol Description
VCC
COM
Low side and logic supply voltage
Low side logic ground
VIN+
VB
VS
PO
Positive sense input
High side supply
High side return
Digital PWM output
OC Overcurrent output (negative logic)
N.C. No connection
IR2175(S) & (PbF)
Lead Assignment
VC
1
C
2 PO
3 COM
4 OC
VIN
8
+
Vs 7
V
6
B
NC 5
8 lead SOIC
Also available LEAD-FREE (PbF)
IR2175S
www.irf.com
VC
1
C
2 PO
3 COM
4 OC
VIN
8
+
Vs 7
V
6
B
NC 5
8 lead PDIP
Also available LEAD-FREE (PbF)
IR2175
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet IR2175SPBF.PDF ] | |
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