Allegro 電流センサー

1MHz Bandwidth Contactless XtremeSense™ TMR Current Sensor with Programmable Gain

CT455

The CT455 offers high-accuracy contactless XtremeSense TMR current sensing with a 1MHz bandwidth, programmable gain, and low noise performance. Available in both SOIC-8 and TSSOP-8 packages.

Product Details

Top Features

  • Optimized for high dV/dt applications
  • Integrated Contactless Current/Field Sensor
  • Linear Analog Output Voltage
  • 1 MHz Bandwidth
  • Response Time < 300 ns
  • Supply Voltage: 3.3 V to 5.0 V
  • Low Noise Performance
  • AEC-Q100 Grade 1
  • Package Options:
    • 8-lead SOIC
    • 8-lead TSSOP

Part Number Specifications and Availability

View Full Specification Details

CT455-H00B3-TS08

architecture
Bidirectional
programming
Customer Programmable
magnetic_field_range
±480G
typical_sensitivity_mv_per_g
2.08 to 16.67
quiescent_output_v
Typ 50% VCC
bandwidth_khz
1000
supply_voltage_v
3.3
temp_ranges
-40°C to 125°C
over_current_fault
No
aec_q100
No
package
8-Pin TSSOP
market
Automotive, Industrial

CT455-H00B5-SN08

architecture
Bidirectional
programming
Customer Programmable
magnetic_field_range
±480G
typical_sensitivity_mv_per_g
4.2 to 33.33
quiescent_output_v
Typ 50% VCC
bandwidth_khz
1000
supply_voltage_v
5
temp_ranges
-40°C to 125°C
over_current_fault
No
aec_q100
No
package
8-Pin SOIC
market
Automotive, Industrial

CT455-H00B5-TS08

architecture
Bidirectional
programming
Customer Programmable
magnetic_field_range
±480G
typical_sensitivity_mv_per_g
4.2 to 33.33
quiescent_output_v
Typ 50% VCC
bandwidth_khz
1000
supply_voltage_v
5
temp_ranges
-40°C to 125°C
over_current_fault
No
aec_q100
No
package
8-Pin TSSOP
market
Automotive, Industrial

CT455-H00U5-TS08

architecture
Unidirectional
programming
Customer Programmable
magnetic_field_range
+480G
typical_sensitivity_mv_per_g
8.33 to 66.67
quiescent_output_v
0.5
bandwidth_khz
1000
supply_voltage_v
5
temp_ranges
-40°C to 125°C
over_current_fault
No
aec_q100
No
package
8-Pin TSSOP
market
Automotive, Industrial

CT455-H06B5-TS08

architecture
Bidirectional
programming
Factory Programmed
magnetic_field_range
±60G
typical_sensitivity_mv_per_g
33.33
quiescent_output_v
Typ 50% VCC
bandwidth_khz
1000
supply_voltage_v
5
temp_ranges
-40°C to 125°C
over_current_fault
No
aec_q100
No
package
8-Pin TSSOP
market
Automotive, Industrial

CT455-H48B5-TS08

architecture
Bidirectional
programming
Factory Programmed
magnetic_field_range
±480G
typical_sensitivity_mv_per_g
4.2
quiescent_output_v
Typ 50% VCC
bandwidth_khz
1000
supply_voltage_v
5
temp_ranges
-40°C to 125°C
over_current_fault
No
aec_q100
No
package
8-Pin TSSOP
market
Automotive, Industrial

Discover the next generation of magnetic sensing 

Efficient Power Conversion
Accurately measures the full dynamic range and provides a cleaner signal.

Adoption of Wide Bandgap Transistors
Wide bandgap transistors such as GAN and SiC require high bandwidth current sensors which XtremeSense TMR achieves without sacrificing accuracy and resolution.

Reduce the Energy Footprint
Delivers the lowest power consumption in any magnetic sensing product category.

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Allegro's XtremeSense™ TMR technology

Superior magnetic sensitivity, low power consumption, and compact size compared to other technologies, driving innovation in applications like renewable energy, electric vehicles, and consumer electronics.
Learn More
TMR (Tunnel Magnetoresistance) Xtremesense Callout Image