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Speed and Direction, Speed Sensor ICs

VM Series

Anisotropic Magnetoresistive (AMR) sensor ICs. Detects speed, direction, position ring magnet encoder target

Overview

Honeywell’s VM Series Anisotropic Magnetoresistive (AMR) Integrated Circuit (IC) product line is designed to detect the speed and direction of a ring magnet encoder target using a unique (patent pending) bridge design and configuration. The three offerings include 2- and 4-pin AMR sensors to be used in speed, speed and position sensing in transmissions, engine cranks, wheel speed measurement, integrated bearings and seals and for shaft speed measurement in pumps, motors and compressors.

These products are designed to provide increased flexibility and may be used in most types of mounting configurations.

Honeywell’s unique solution utilizes the AMR bridge in saturation, which provides a more stable output response when the system has vibration, sudden air gap changes, or target runout without requiring complex magnitude compensation algorithms.

The AMR signal has greater sensitivity than Hall-effect sensor ICs, and does not require automatic gain control or chopper stabilization that can lead to increased jitter over the operating range.

Features
  • Integrated speed and direction or speed only sensor IC
  • Quadrature output version
  • Pole size independent operation
  • -40°C to 150°C operating temperature range
  • Zero speed output
  • No calibration required
  • Insensitive to mechanical vibration
  • Protection against reverse polarity
  • Electrostatic Discharge (ESD) protected
  • Co-packaged capacitor (2-pin versions)
  • ISO26262 ASIL-B(D) conforming*
  • AEC-Q100H Grade 0 qualified*

*VM721V1, VM721D1 only

Data Sheet
Name
Description
File Size
Date
Size
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
application/pdf 973.75 KB
7/22/2021
973.75 KB
Manuals and Guides
Name
Description
File Size
Date
Size
Position Sensors Product Range Guide
application/pdf 4.85 MB
10/4/2021
4.85 MB
Transportation Range Guide
application/pdf 18.57 MB
10/4/2021
18.57 MB
Installation Instructions
Name
Description
File Size
Date
Size
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
application/pdf 796.92 KB
7/22/2021
796.92 KB
CAD Model
Name
Description
File Size
Date
Size
VM821Q1 CAD Model
application/zip 18.14 KB
7/22/2021
18.14 KB
VM Series CAD Models - grouped
application/zip 18.18 KB
6/15/2022
18.18 KB
Brochure
Name
Description
File Size
Date
Size
Making Sense of Sensing
application/pdf 3.37 MB
10/6/2021
3.37 MB
Technical Note
Name
Description
File Size
Date
Size
Magnetic Sensor IC Selection Chart
application/pdf 372.87 KB
10/24/2022
372.87 KB
Magnetic Sensor IC Product Line Card
application/pdf 438.61 KB
7/22/2021
438.61 KB
Application Note
Name
Description
File Size
Date
Size
Platform Vehicles
application/pdf 628.05 KB
12/20/2022
628.05 KB
All-Terrain Vehicle Solutions
application/pdf 803.57 KB
12/20/2022
803.57 KB
Forestry Vehicles
application/pdf 1.05 MB
12/20/2022
1.05 MB
Construction Vehicles -
application/pdf 984.29 KB
12/20/2022
984.29 KB
Solutions For Healthier Air & HVAC Systems
application/pdf 3.88 MB
5/31/2022
3.88 MB
Defence Ground Vehicles -
application/pdf 872.87 KB
6/14/2023
872.87 KB
Agricultural Vehicles -
application/pdf 1.11 MB
10/25/2022
1.11 MB
eBook
Name
Description
File Size
Date
Size
Redefining Road Rail & Rugged Applications
application/pdf 28.35 MB
12/20/2022
28.35 MB
Name
Description
File Size
Date
Size
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
973.75 KB
7/22/2021
973.75 KB
Redefining Road Rail & Rugged Applications
28.35 MB
12/20/2022
28.35 MB
Platform Vehicles
628.05 KB
12/20/2022
628.05 KB
All-Terrain Vehicle Solutions
803.57 KB
12/20/2022
803.57 KB
Forestry Vehicles
1.05 MB
12/20/2022
1.05 MB
VM821Q1 CAD Model
18.14 KB
7/22/2021
18.14 KB
Position Sensors Product Range Guide
4.85 MB
10/4/2021
4.85 MB
Magnetic Sensor IC Selection Chart
372.87 KB
10/24/2022
372.87 KB
Construction Vehicles -
984.29 KB
12/20/2022
984.29 KB
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
796.92 KB
7/22/2021
796.92 KB
Solutions For Healthier Air & HVAC Systems
3.88 MB
5/31/2022
3.88 MB
Defence Ground Vehicles -
872.87 KB
6/14/2023
872.87 KB
Transportation Range Guide
18.57 MB
10/4/2021
18.57 MB
Magnetic Sensor IC Product Line Card
438.61 KB
7/22/2021
438.61 KB
VM Series CAD Models - grouped
18.18 KB
6/15/2022
18.18 KB
Agricultural Vehicles -
1.11 MB
10/25/2022
1.11 MB
Making Sense of Sensing
3.37 MB
10/6/2021
3.37 MB
Name
Description
File Size
Date
Size
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
973.75 KB
7/22/2021
Position Sensors Product Range Guide
4.85 MB
10/4/2021
Transportation Range Guide
18.57 MB
10/4/2021
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
796.92 KB
7/22/2021
VM821Q1 CAD Model
18.14 KB
7/22/2021
VM Series CAD Models - grouped
18.18 KB
6/15/2022
Making Sense of Sensing
3.37 MB
10/6/2021
Magnetic Sensor IC Selection Chart
372.87 KB
10/24/2022
Magnetic Sensor IC Product Line Card
438.61 KB
7/22/2021
Platform Vehicles
628.05 KB
12/20/2022
All-Terrain Vehicle Solutions
803.57 KB
12/20/2022
Forestry Vehicles
1.05 MB
12/20/2022
Construction Vehicles -
984.29 KB
12/20/2022
Solutions For Healthier Air & HVAC Systems
3.88 MB
5/31/2022
Defence Ground Vehicles -
872.87 KB
6/14/2023
Agricultural Vehicles -
1.11 MB
10/25/2022
Redefining Road Rail & Rugged Applications
28.35 MB
12/20/2022
Product Number
Image
SKU
Description
alt
VM721D1
VM721D1 Anisotropic magnetoresistive (AMR) speed and direction sensor IC, 2-pin SIP, 500 units/bag
alt
VM721V1
VM721V1 Anisotropic magnetoresistive (AMR) speed sensor IC, 2-pin SIP, 500 units/bag
alt
VM821Q1
VM821Q1 Anisotropic magnetoresistive (AMR) quadrature sensor IC, 4-pin SIP, 500 units/bag
Image
SKU
Description
alt
VM721D1
VM721D1 Anisotropic magnetoresistive (AMR) speed and direction sensor IC, 2-pin SIP, 500 units/bag
alt
VM721V1
VM721V1 Anisotropic magnetoresistive (AMR) speed sensor IC, 2-pin SIP, 500 units/bag
alt
VM821Q1
VM821Q1 Anisotropic magnetoresistive (AMR) quadrature sensor IC, 4-pin SIP, 500 units/bag