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quality Linear Hall effect current sensor IC Allegro ACS780LLSTR-100B-T for accurate 100 amp current measurement factory
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quality Linear Hall effect current sensor IC Allegro ACS780LLSTR-100B-T for accurate 100 amp current measurement factory
quality Linear Hall effect current sensor IC Allegro ACS780LLSTR-100B-T for accurate 100 amp current measurement factory
quality Linear Hall effect current sensor IC Allegro ACS780LLSTR-100B-T for accurate 100 amp current measurement factory
>
Specifications
working temperature:
-40℃~+150℃
Current Range:
100A
Voltage - Supply:
4.5V~5.5V
Sensitivity:
20mV/A
Mfr. Part #:
ACS780LLSTR-100B-T
Package:
SMD-7P
Key Attributes
Model Number: ACS780LLSTR-100B-T
Product Description

Product Overview

The Allegro ACS780xLR is a fully integrated, automotive-grade linear Hall-effect current sensor IC designed for bidirectional AC and DC current sensing up to 100 A. Housed in a compact, low-profile core-less package, it offers ultra-low power loss with a 200 internal conductor resistance. The device features advanced Hall sensor technology with common-mode field rejection, proprietary integrated shield technology for high dV/dt immunity, and factory programming for optimized accuracy. It is ideal for applications requiring precise current monitoring in automotive and industrial environments.

Product Attributes

  • Brand: Allegro
  • Package Type: 7-pin PSOF (suffix LR)
  • Certifications: AEC-Q100 automotive qualification
  • Material: Lead (Pb) free, 100% matte tin plating, oxygen-free copper leadframe

Technical Specifications

Model / Characteristic Description / Value
ACS780xLR High-Precision Linear Hall-Effect-Based Current Sensor IC with 200 Current Conductor
Sensed Current Range Up to 100 A continuous
Primary Conductor Resistance 200 typical
Supply Voltage (VCC) 4.5 to 5.5 V, single supply
Bandwidth 120 kHz typical
Output Rise Time 3.6 s
Isolation Voltage Up to 100 V peak
Operating Temperature Range (K) -40 to 125 C
Operating Temperature Range (L) -40 to 150 C
Package Thickness 1.5 mm
Common-Mode Field Rejection Optimized performance in presence of interfering magnetic fields
dV/dt Immunity High-level immunity offered by proprietary integrated shield technology
Quiescent Output Voltage (Bidirectional) VCC / 2
Quiescent Output Voltage (Unidirectional) 0.1 x VCC
Overcurrent Capability (IPOC) 285 A (TA = 25C, 1 s on time)
Package Thermal Resistance (RJA) 18 C/W (on Allegro evaluation board)
Part Numbers & Ranges:
  • ACS780LLRTR-050B-T: 50 A Bidirectional, 40 mV/A
  • ACS780LLRTR-050U-T: 0 to 50 A Unidirectional, 60 mV/A
  • ACS780LLRTR-100B-T: 100 A Bidirectional, 20 mV/A
  • ACS780LLRTR-100U-T: 0 to 100 A Unidirectional, 40 mV/A
  • ACS780KLRTR-150B-T: 150 A transient / 100 A continuous Bidirectional, 13.33 mV/A
  • ACS780KLRTR-150U-T: 0 to 150 A transient / 0 to 100 A continuous Unidirectional, 26.66 mV/A
Pinout
  1. VCC: Device power supply terminal
  2. GND: Signal ground terminal
  3. VOUT: Analog output signal
  4. NC: No connection, connect to GND for optimal ESD performance
  5. IP+: Terminal for current being sampled
  6. IP: Terminal for current being sampled
  7. NC: No connection, connect to GND for optimal ESD performance

2504101957_ALLEGRO-ACS780LLSTR-100B-T_C3684470.pdf

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