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IR2170S Datasheet

  • IR2170S

  • OVER CURRENT SENSING IC

  • 5頁

  • IRF

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上傳產(chǎn)品規(guī)格書

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Preliminary Data Sheet No. PD60186-C
IR2170
(
S
)
OVER CURRENT SENSING IC
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Floating channel up to +600V
Monolithic integration
Overcurrent sensing through shunt resistor
Low I
QBS
allows the boot strap power supply
Independent fast 1
碌
sec overcurrent trip signal
High common mode noise immunity
Input overvoltage protection for IGBT short circuit
condition
Product Summary
V
OFFSET
I
QBS
Overcurrent trip
signal delay
Overcurrent trip level
600Vmax
1mA
1.5usec (typ)
+/-260mV (typ.)
鈥?/div>
Open Drain outputs
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鈥檚 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
1
鈩?/div>
DC Bus (up to 600V)
Vdd
1k
(typ)
V
B
V
CC
OC
10 nF
+
(AGND)
(DGND)
V
IN+
V
IN-
V
S
10 uF
0.47 uF
COM
R
SENSE
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.

IR2170S 產(chǎn)品屬性

  • 95

  • 集成電路 (IC)

  • PMIC - 穩(wěn)流/電流管理

  • -

  • 電流感應(yīng)

  • -

  • -

  • 9.5 V ~ 20 V

  • 1mA

  • -40°C ~ 125°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOICN

  • 管件

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