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Part Number: IR2171(S)
Description: IR2171/IR2172 are monolithic current sensing IC designed for motor drive applications. It senses...
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IR2171(S)
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DataSheet
General Description
IR2171(S) General Description
IR2171/IR2172 are 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 iso-lation technology is implemented to enable the high bandwidth signal processing. The output format is dis-crete PWM to eliminate need for the A/D input interface for the IR2172. The dedicated overcurrent trip (OC) sig-nal facilitates IGBT short circuit protection and the OC output pulse can be programmed by the external resis-tor and capacitor. The open-drain outputs make easy for any interface from 3.3V to 15V.
IR2171(S) Maximum Ratings
|
Symbol |
Definition |
Min. |
Max. |
Units | |
|
VS |
High side offset voltage |
-0.3 |
600 |
V | |
|
VBS |
High side floating supply voltage |
-0.3 |
25 | ||
|
VCC |
Low side and logic fixed supply voltage |
-0.3 |
25 | ||
|
VIN |
Maximum input voltage between VIN+ and VIN- |
-5 |
5 | ||
|
VPO |
Digital PWM output voltage |
COM -0.3 |
VCC + 0.3 | ||
|
VOC |
Overcurrent output voltage(IR2172) |
COM -0.3 |
VCC + 0.3 | ||
|
VIN- |
VIN- input voltage (note 1) |
VS -5 |
VB+ 0.3 | ||
|
dV/dt |
Allowable offset voltage slew rate |
- |
50 |
V/ns | |
|
PD
|
Package power dissipation @ TA +25°C |
(8 lead SDIP) |
- |
.625 |
W |
|
(8 lead SOIC) |
- |
1.0 | |||
|
RTHJA
|
Thermal resistance, junction to ambient |
(8 lead PDIP) |
- |
200 |
°C/W |
|
(8 lead SOIC) |
- |
125 | |||
|
TJ |
Junction temperature |
- |
150 |
°C | |
|
TS |
Storage temperature |
-55 |
150 | ||
|
TL |
Lead temperature (soldering, 10 seconds) |
- |
300 | ||
IR2171(S) 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
• 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
IR2171(S) Connection Diagram
IR2010
PDF/DataSheet Download
- Datasheet: IR2010
- File Size: 232500 KB
- Manufacturer: IRF [International Rectifier]
- Click here to Download
- ·IR2010 (S)
- HIGH AND LOW SIDE DRIVER
- 186559 KB
- ·IR2010S
- IRF [International Rectifier]
- HIGH AND LOW SIDE DRIVER
- 232500 KB
- ·IR2010SPBF
- IRF [International Rectifier]
- HIGH AND LOW SIDE DRIVER
- 232500 KB
- ·IR2011
- IRF [International Rectifier]
- HIGH AND LOW SIDE DRIVER
- 146562 KB
- ·IR2011S
- IRF [International Rectifier]
- HIGH AND LOW SIDE DRIVER
- 146562 KB
- ·IR2011SPbF
- IRF [International Rectifier]
- HIGH AND LOW SIDE DRIVER
- 146562 KB
- ·IR20153S
- IRF [International Rectifier]
- HIGH SIDE DRIVER WITH RECHARGE
- 225463 KB
- ·IR20153SPbF
- IRF [International Rectifier]
- HIGH SIDE DRIVER WITH RECHARGE
- 225463 KB
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