Pololu ACS72981 Current Sensor Carrier — ±150A, 3.3V Output

Description

Description

• Pololu ACS72981KLRATR-150B3 Current Sensor Large Carrier -150A to +150A, 3.3V
• Ensures precise current measurement
• Features high-bandwidth 250 kHz output
• Includes integrated temp compensation
• Operates within -150A to +150A range
• Provides 8 mV/A sensitivity

The Pololu ACS72981KLRATR-150B3 Current Sensor Large Carrier -150A to +150A, 3.3V is a sophisticated Hall effect-based sensor designed for precise current measurement. It features an electrically isolated current path and differential Hall sensing to minimize interference from common-mode fields. The sensor operates with a nominal voltage of 3 V and provides a ratiometric analog output voltage that is proportional to the input current, with a sensitivity of 8 mV per ampere. Integrated digital temperature compensation ensures accuracy across a wide temperature range. The large carrier board aids in thermal dissipation, enhancing performance and reliability.

View moreWhat’s Included

• 1x Pololu ACS72981KLRATR-150B3 Current Sensor Large Carrier -150A to +150A, 3.3V

Dimensions

• 1.4 x 1.2 inches

Links

PDF File

• Pololu ACS72981KLRATR-150B3 Current Sensor Large Carrier -150A to +150A, 3.3V – Datasheet

Specifications

• Hall effect-based sensor with electrically isolated current path
• Differential Hall sensing rejects common-mode fields
• Conductive path internal resistance typically 0.2 mΩ
• High-bandwidth 250 kHz analog output voltage proportional to AC or DC currents
• Response time less than 2 µs
• Integrated digital temperature compensation circuitry
• Connection points labeled on the bottom silkscreen
• Designed for bidirectional input current from -150 A to +150 A
• Supply voltage of 3.0 V to 3.6 V
• Sensitivity of 8 mV/A
• Zero point at 1.65 V

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