Ultra‑Low‑Loss Isolated Hall‑Effect Current Sensor (±200 A) in Compact PSOF‑8 package

ACS37200

Markets Served

Engineered for demanding automotive and industrial systems, the Allegro ACS37200 provides robust high-current sensing with reinforced isolation for enhanced safety and reliability. Offered in a compact, surface-mount PSOF-8 package, it’s ideal for space-constrained applications like xEV chargers and motor drives. With AEC-Q100 Grade 0 qualification, exceptional efficiency from ultra-low resistance, and precise control via a fast response, the ACS37200 enables safer, power-dense solutions, accelerating the future of e-mobility and industrial automation in a tiny footprint.

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Product Details

Top Features

Ultra-low primary conductor resistance (50 μΩ) for high efficiency, inrush capability and thermal reliability
Overcurrent FAULT output with an adjustable threshold for enhanced system protection
VREF output voltage for differential routing in noisy application environments
Compact PSOF-8 package supports 5656 V_RMS withstand voltage and ±800 V_PK/565 V_RMS reinforced isolation
150 kHz analog output and 4 µs response time

Target Application

Part Number Specifications and Availability

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ACS37200LLXTR-100B3

basic_isolation_working_voltage_vrms: 1097
reinforced_isolation_working_voltage_vrms: 565
isolation_voltage_vrms: 5656
creepage_mm: 8
clearance_mm: 8
primary_conductor_resistance_mohm: 0.05
architecture: Bidirectional
current_measurement_range_a: ±100
bandwidth_khz: 150
supply_voltage_v: 3.3
temp_ranges: -40°C to 150°C
aec_q100: Yes
over_current_fault: Yes
package: 8-Pin PSOF
market: Automotive, Industrial
quiescent_output_v: 1.65
features: Adjustable Overcurrent Fault, Zero Current Reference Voltage Output

ACS37200LLXTR-100B5

basic_isolation_working_voltage_vrms: 1097
reinforced_isolation_working_voltage_vrms: 565
isolation_voltage_vrms: 5656
creepage_mm: 8
clearance_mm: 8
primary_conductor_resistance_mohm: 0.05
architecture: Bidirectional
current_measurement_range_a: ±100
bandwidth_khz: 150
supply_voltage_v: 5
temp_ranges: -40°C to 150°C
aec_q100: Yes
over_current_fault: Yes
package: 8-Pin PSOF
market: Automotive, Industrial
quiescent_output_v: 2.5
features: Adjustable Overcurrent Fault, Zero Current Reference Voltage Output

ACS37200LLXTR-150B3

basic_isolation_working_voltage_vrms: 1097
reinforced_isolation_working_voltage_vrms: 565
isolation_voltage_vrms: 5656
creepage_mm: 8
clearance_mm: 8
primary_conductor_resistance_mohm: 0.05
architecture: Bidirectional
current_measurement_range_a: ±150
bandwidth_khz: 150
supply_voltage_v: 3.3
temp_ranges: -40°C to 150°C
aec_q100: Yes
over_current_fault: Yes
package: 8-Pin PSOF
market: Automotive, Industrial
quiescent_output_v: 1.65
features: Adjustable Overcurrent Fault, Zero Current Reference Voltage Output

ACS37200LLXTR-150B5

basic_isolation_working_voltage_vrms: 1097
reinforced_isolation_working_voltage_vrms: 565
isolation_voltage_vrms: 5656
creepage_mm: 8
clearance_mm: 8
primary_conductor_resistance_mohm: 0.05
architecture: Bidirectional
current_measurement_range_a: ±150
bandwidth_khz: 150
supply_voltage_v: 5
temp_ranges: -40°C to 150°C
aec_q100: Yes
over_current_fault: Yes
package: 8-Pin PSOF
market: Automotive, Industrial
quiescent_output_v: 2.5
features: Adjustable Overcurrent Fault, Zero Current Reference Voltage Output

ACS37200LLXTR-200B3

basic_isolation_working_voltage_vrms: 1097
reinforced_isolation_working_voltage_vrms: 565
isolation_voltage_vrms: 5656
creepage_mm: 8
clearance_mm: 8
primary_conductor_resistance_mohm: 0.05
architecture: Bidirectional
current_measurement_range_a: ±200
bandwidth_khz: 150
supply_voltage_v: 3.3
temp_ranges: -40°C to 150°C
aec_q100: Yes
over_current_fault: Yes
package: 8-Pin PSOF
market: Automotive, Industrial
quiescent_output_v: 1.65
features: Adjustable Overcurrent Fault, Zero Current Reference Voltage Output

ACS37200LLXTR-200B5

basic_isolation_working_voltage_vrms: 1097
reinforced_isolation_working_voltage_vrms: 565
isolation_voltage_vrms: 5656
creepage_mm: 8
clearance_mm: 8
primary_conductor_resistance_mohm: 0.05
architecture: Bidirectional
current_measurement_range_a: ±200
bandwidth_khz: 150
supply_voltage_v: 5
temp_ranges: -40°C to 150°C
aec_q100: Yes
over_current_fault: Yes
package: 8-Pin PSOF
market: Automotive, Industrial
quiescent_output_v: 2.5
features: Adjustable Overcurrent Fault, Zero Current Reference Voltage Output