Allegro 電流センサー

工業用途向け5kV絶縁対応の400kHz高精度電流センサIC

ACS37003

Markets Served

ACS37003は、400kHzの帯域幅、5kV絶縁、ノイズの多い環境で高精度を実現する差動検出により、産業用モータ制御および電源用途向けに正確な電流検出を提供します。内部導体抵抗が低く、電力損失を最小限に抑えます。

Product Details

Product Details

Top Features

400kHz operating bandwidth offers fast control loops and use for monitoring high-speed currents
High accuracy achieved with 6 mV maximum offset voltage over temperature and non-radiometric operation with VREF output, and differential sensing for high immunity to magnetic fields
Externally configurable gain settings using two logic pains and four adjustable gain levels for design flexibility

Target Application

Part Number Specifications and Availability

View Full Specification Details

ACS37003KMCATR-050B5

basic_isolation_working_voltage_vrms: 1144
reinforced_isolation_working_voltage_vrms: 572
isolation_voltage_vrms: 5000
creepage_mm: 8.7
clearance_mm: 8.7
primary_conductor_resistance_mohm: 0.27
architecture: Bidirectional
current_measurement_range_a: ±50
bandwidth_khz: 400
supply_voltage_v: 5
temp_ranges: -40°C to 125°C
aec_q100: No
over_current_fault: No
package: 16-pin SOICW
market: Industrial
features: Zero Current Reference Voltage Output

ACS37003KMCATR-085B5

basic_isolation_working_voltage_vrms: 1144
reinforced_isolation_working_voltage_vrms: 572
isolation_voltage_vrms: 5000
creepage_mm: 8.7
clearance_mm: 8.7
primary_conductor_resistance_mohm: 0.27
architecture: Bidirectional
current_measurement_range_a: ±85
bandwidth_khz: 400
supply_voltage_v: 5
temp_ranges: -40°C to 125°C
aec_q100: No
over_current_fault: No
package: 16-pin SOICW
market: Industrial
features: Zero Current Reference Voltage Output

ACS37003KMCATR-120B3

basic_isolation_working_voltage_vrms: 1144
reinforced_isolation_working_voltage_vrms: 572
isolation_voltage_vrms: 5000
creepage_mm: 8.7
clearance_mm: 8.7
primary_conductor_resistance_mohm: 0.27
architecture: Bidirectional
current_measurement_range_a: ±120
bandwidth_khz: 400
supply_voltage_v: 3.3
temp_ranges: -40°C to 125°C
aec_q100: No
over_current_fault: No
package: 16-pin SOICW
market: Industrial
features: Zero Current Reference Voltage Output

ACS37003KMCATR-180B5

basic_isolation_working_voltage_vrms: 1144
reinforced_isolation_working_voltage_vrms: 572
isolation_voltage_vrms: 5000
creepage_mm: 8.7
clearance_mm: 8.7
primary_conductor_resistance_mohm: 0.27
architecture: Bidirectional
current_measurement_range_a: ±180
bandwidth_khz: 400
supply_voltage_v: 5
temp_ranges: -40°C to 125°C
aec_q100: No
over_current_fault: No
package: 16-pin SOICW
market: Industrial
features: Zero Current Reference Voltage Output

設計ツール

ACS37003

Simulation Tool

Current Sensor Error and Resolution

Software Portal

ACS LTspice Library

Technical Documentation

Glossary of Isolation-Related Terms for Integrated Current Sensors

Application Note

Glossary of Isolation-Related Terms for Integrated Current Sensors

Package Thermal Resistance for Allegro Current Sensors with Integrated Conductors

Application Note

Package Thermal Resistance for Allegro Current Sensors with Integrated Conductors

Certificate of Compliance 20200511-E316429

Certificate of Compliance 20200511-E316429

Certificate CB US 35764 UL MC Package

Certificate CB US 35764 UL MC Package