CH70140AB3FPR

Cosemi
CH701 Revised May 2022 CH701 3000VRMS Isolation, Hall Current Sensor IC in SOIC-8 Package Features • • • • • • • • • • • • • Reinforced isolation: 3000 VRMS Total output error: ±1.5% typical Primary conductor resistance: 1.2 mΩ Single supply: 3.3V or 5V Output voltage proportional to AC or DC current: ±5A, ±10A, ±20A, ±30A, ±40A, ±50A -3dB bandwidth: 120 kHz Response time: 4 µs Ratio-metric ...
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CH701 Revised May 2022 CH701 3000VRMS Isolation, Hall Current Sensor IC in SOIC-8 Package Features • • • • • • • • • • • • • Reinforced isolation: 3000 VRMS Total output error: ±1.5% typical Primary conductor resistance: 1.2 mΩ Single supply: 3.3V or 5V Output voltage proportional to AC or DC current: ±5A, ±10A, ±20A, ±30A, ±40A, ±50A -3dB bandwidth: 120 kHz Response time: 4 µs Ratio-metric output from supply voltage Adjustable bandwidth and resolution with a filter pin Small-footprint SOIC-8 package suitable for replacing bulky transformers or shunt current sensing solutions Integrated shield virtually eliminates capacitive coupling from current conductor to die, greatly suppressing output noise due to high dv/dt transients Factory-trimmed sensitivity and quiescent output voltage for improved accuracy Chopper stabilization results in extremely stable quiescent output voltage Package ⚫ SO-8 ⚫ Application • • • • Variable-frequency inverters Motor control Over-current fault protection Load detection and management Functional Block Diagram Description The CH701 current sensor IC is an economical and precise solution for AC or DC current sensing in industrial, automotive, commercial, and communications systems. The small package is ideal for space-constrained applications while also saving costs due to reduced board area. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device consists of a precise, low-offset, linear Hall sensor circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field which is sensed by the integrated Hall IC and converted into a proportional voltage. A precise, proportional voltage is provided by the low-offset, chopper-stabilized BCD Hall IC, Page 1/53 PDF
Документация на CH70110AB5PR 

Дата модификации: 13.05.2022

Размер: 1.04 Мб

53 стр.

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    CH70105AB5PR (COSEMI)