IR2175STR International Rectifier, IR2175STR Datasheet

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IR2175STR

Manufacturer Part Number
IR2175STR
Description
IC CURRENT SENSE 0.5% 8SOIC
Manufacturer
International Rectifier
Datasheet

Specifications of IR2175STR

Function
Current Sense
Accuracy
±0.5%
Voltage - Input
9.5 ~ 20 V
Current - Output
20mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Sensing Method
-

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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Part Number:
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Block Diagram
Features
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
Input overvoltage protection for IGBT short circuit
Floating channel up to +600V
Direct digital PWM output for easy interface
Also available LEAD-FREE
Monolithic integration
Low I
Independent fast overcurrent trip signal
Open Drain outputs
Linear current feedback through shunt resistor
High common mode noise immunity
condition
PWM Output
Overcurrent
QBS
GND
allows the boot strap power supply
15V
VCC
COM
PO
OC
IR2175
VS
VB
V+
LINEAR CURRENT SENSING IC
Product Summary
Packages
Overcurrent trip level
8 Lead PDIP
Overcurrent trip
signal delay
Gain temp.drift
IR2175
V
OFFSET
I
QBS
V in
f o
Data Sheet No. PD60208 Rev. E
IR2175(S) & (PbF)
Up to 600V
(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.
+/-260mVmax
20ppm/
130kHz (typ.)
To Motor Phase
2 sec (typ)
+/-260mV (typ.)
600Vmax
8 Lead SOIC
2mA
IR2175S
o
C (typ.)

Related parts for IR2175STR

IR2175STR Summary of contents

Page 1

Features Floating channel up to +600V Monolithic integration Linear current feedback through shunt resistor Direct digital PWM output for easy interface Low I allows the boot strap power supply QBS Independent fast overcurrent trip signal High common mode noise immunity ...

Page 2

IR2175 (S) & (PbF) Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal ...

Page 3

DC Electrical Characteristics 15V, and unless otherwise specified Symbol Definition V Nominal input voltage range before saturation IN IN Overcurrent trip positive input voltage ...

Page 4

IR2175 (S) & (PbF) Timing Waveforms PO PO Carrier Frequency = Figure 1 Output waveform Application Hint: Temperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and the on-time of PWM (Duty) at ...

Page 5

Lead Definitions Symbol Description V Low side and logic supply voltage CC COM Low side logic ground V Positive sense input IN+ V High side supply B V High side return S PO Digital PWM output Overcurrent output (negative logic) ...

Page 6

IR2175 (S) & (PbF) Case Outlines 0.25 [.010 0.25 [.010 NOTES: 1. DIMENSIONING & TOLERANCING PER ...

Page 7

LEADFREE PART MARKING INFORMATION Part number Date code Pin 1 Identifier ? MARKING CODE P Lead Free Released Non-Lead Free Released Basic Part (Non-Lead Free) 8-Lead PDIP IR2175 order IR2175 8-Lead SOIC IR2175S order IR2175S Thisproduct has been designed and ...

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