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IR2170S PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR2170S
部品説明 OVER CURRENT SENSING IC
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR2170S Datasheet, IR2170S PDF,ピン配置, 機能
Preliminary Data Sheet No. PD60186-C
IR2170(S)
OVER CURRENT SENSING IC
Features
Floating channel up to +600V
Monolithic integration
Overcurrent sensing through shunt resistor
Low IQBS allows the boot strap power supply
Independent fast 1µsec overcurrent trip signal
High common mode noise immunity
Input overvoltage protection for IGBT short circuit
condition
Open Drain outputs
Product Summary
VOFFSET
IQBS
600Vmax
1mA
Overcurrent trip
signal delay
Overcurrent trip level
1.5usec (typ)
+/-260mV (typ.)
Description
Packages
IR2170(S) is the monolithic over current sensing IC de-
signed for motor drive applications. It senses the motor
phase current through an external shunt resistor, de-
tects overcurrent condition, and transfers the signal to
the low side. IR’s proprietary high voltage isolation tech-
nology is implemented to enable the high bandwidth sig-
8-Lead SOIC
nal processing. The dedicated overcurrent trip (OC)
8-Lead PDIP
signal facilitates IGBT short circuit protection. The OC
output pulse width can be programmed by the external resistor and capacitor. The open-drain outputs make easy for
any interface from 3.3V to 15V.
Typical Application
+15V
Vdd
1
DC Bus (up to 600V)
1k
(typ)
VCC
OC
10 nF
COM
VB
+ VIN+
VIN-
(AGND) VS
(DGND)
10 uF
0.47 uF
RSENSE
To Motor Phase
IR2170
(Circuit Common = DC Bus Negative)
(Refer to Lead Assignments for correct pin configuration). This/These diagram(s) show electrical connections only. Please
refer to our Application Notes and DesignTips for proper circuit board layout.

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