MT9221CT-06BR5

MagnTek
MT9221 Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 150kHz Bandwidth and 2.6 kVRMS Isolation 1 Product Description 2 Features The MagnTek® MT9221 product series is a fully integrated Hall Effect-based isolated linear current sensor device family designed for AC or DC current sensing in industrial, commercial, and communications systems. Each of the MT9221 consists of a pr...
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MT9221 Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 150kHz Bandwidth and 2.6 kVRMS Isolation 1 Product Description 2 Features The MagnTek® MT9221 product series is a fully integrated Hall Effect-based isolated linear current sensor device family designed for AC or DC current sensing in industrial, commercial, and communications systems. Each of the MT9221 consists of a precise, lowoffset, linear Hall circuit with a low-resistance current conductor path located near the surface of the die. Applied current flowing through this low-resistance current conductor path generates a magnetic field that the Hall IC converts into a proportional voltage. The current is sensed differentially in order to reject common-mode fields, improving accuracy in magnetically noisy environments. Device accuracy is optimized through the close proximity of the magnetic field to the Hall transducer. ￭ ±1.9% Typical Total Output Error ￭ ±0.5% Typical Linearity Over Temperature ￭ Fast Output Response Time: 4 μs (typ.) ￭ 150kHz Signal Bandwidth ￭ 5.0V Single Supply Operation ￭ -40℃~125℃ Operating Temperature A precise, proportional voltage is provided by the lowoffset, chopper-stabilized BCD Hall IC, which has been accurately calibrated when it is manufactured. The output of the device has a positive slope (>VOQ) when an increasing current flows through the primary current conduction path (from pins 1 and 2, to pins 3 and 4). The internal resistance of this conductive path is 1.5 mΩ typical, providing low-power loss. The terminals of the conductive path are electrically isolated from the signal leads (pins 5 through 8). This allows the MT9221 current sensor IC to be used in high-side current sense applications without use other costly isolation techniques. The MT9221 family provides a variety of packages to customers: SOP-8 and QFN-12 for surface mount. All packages are RoHS compliant. ￭ Primary Conductor Resistance ---1.5mΩ (SOP-8) ---0.8mΩ (QFN-12) ￭ Sensing Current Range: (AC or DC) ---±6A, ±10A, ±20A, ±25A, ±30A ---+12A, +20A, +30A ￭ Output Voltage Proportional to AC or DC Current ￭ Ratiometric Output from Supply Voltage ￭ Extremely Stable Quiescent Output Voltage ￭ Low-Noise Analog Signal Path ￭ Device Bandwidth is Set via FILTER Pin ￭ Near Zero Magnetic Hysteresis ￭ Isolation Voltage: ---2.6kVrms Dielectric Surge Isolation (SOP-8) ---500Vrms Dielectric Surge Isolation (QFN-12) ￭ Package Option: ---SOP-8 ---QFN-12 ￭ RoHS Compliant: (EU)2015/863 3 Applications ￭ Low-power inverter current sensing ￭ Motor phase and rail current sensing ￭ PV String Inverters ￭ Chargers and Converters ￭ Switching Power Supplies ￭ Overcurrent Protection 4 Product Overview of MT9221 Not to scale magntek.com.cn | Magnetic Tech Makes Magic Change 1 Part No. Description MT9221CT SOP-8, tape & reel (3000pcs/bag) MT9221QT QFN-12, tape & reel (1000pcs/bag) Rev 1.3 PDF
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Дата модификации: 30.09.2020

Размер: 2.1 Мб

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