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| 型号： | IR22771SPBF |
| 厂商： | International Rectifier |
| 文件页数： | 1/16页 |
| 文件大小： | 441K |
| 描述： | IC CURRENT SENSE 16SOIC |
| 标准包装： | 45 |
| 功能： | 电流感应 |
| 输入电压： | 8 V ~ 20 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
1
www.irf.com
IR22771S/IR21771S(PbF)
Phase Current Sensor IC for AC motor control
Features
" Floating channel up to 600V for IR21771 and 1200V for
IR22771
" Synchronous sampling measurement system
" High PWM noise (ripple) rejection capability
" Digital PWM output
" Fast Over Current detection
" Suitable for bootstrap power supplies
" Low sensing latency (<7.5 ?/SPAN>sec @20kHz)
Description
IR21771/IR22771 is a high voltage, high speed, single phase
current sensor interface for AC motor drive applications. The
current is sensed by an external shunt resistor. The IC converts the
analog voltage into a time interval through a precise circuit that also
performs a very good ripple rejection showing small group delay.
The time interval is level shifted and given to the output. The max
throughput is 40 ksample/sec suitable for up to 20 kHz
asymmetrical PWM modulation and max delay is <7.5?/SPAN>sec
(@20kHz). Also a fast over current signal is provided for IGBT
protection.
Product Summary
V
OFFSET
(max)
IR22771 1200 V
IR21771 600V
V
in
range
?50mV
Bootstrap supply range
8-20 V
Floating channel quiescent
current (max)
2.2 mA
Sensing latency (max)
7.5 祍ec
(@20kHz)
Throughput
40ksample/sec
(@20kHz)
Over Current threshold (max)
?70 mV
Package
Typical Connection
(Please refer to
Lead Assignments
for correct pin
configuration. This
diagram shows
electrical
connections only)
Data Sheet No. PD60234 revB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR22771STRPBF | 功能描述:马达/运动/点火控制器和驱动器 1200VPhs Cur Sens IC for AC Mtr Cntrl RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| IR2277S | 制造商:IRF 制造商全称:International Rectifier 功能描述:Phase Current Sensor IC for AC motor control |
| IR2277SPBF | 功能描述:马达/运动/点火控制器和驱动器 1200V PHASE CURRENT SENSING IC RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| IR2277STRPBF | 功能描述:马达/运动/点火控制器和驱动器 1200VPhs Cur Sens IC for AC Mtr Cntrl RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| IR22GJ | 制造商:SGX Sensortech 功能描述:Series 2 Hydrocarbon IR Sensor with temp. sens IC ( IS for mining), Bulk |
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