Transmission Sensor ICs

Transmission Sensor, speed sensor trasnmissionAllegro’s diverse selection of speed sensors provide optimized solutions for standard and hybrid transmission applications. These sensors can handle any transmission design using various target geometries, materials, and sensing locations. Whether the need is for the vibration immunity and direction of rotation capability of a speed and direction sensor, or the capability of a standard speed sensor for a transmission input sensor or a high speed hybrid motor application, Allegro has the solution.

Allegro’s solutions offer over a decade of transmission specific IC designs based on the industry’s top professionals and vehicle manufacturers' expertise.  These sensor ICs also incorporate over a decade of lessons learned through the harsh, automotive scrutiny of dynamometer testing, in-vehicle testing, and production. Allegro’s industry leading algorithms will provide optimized vehicle performance in two-wire, current source or three-wire, open drain output protocols.

Transmission Sensor ICs Selection Guide

Part Number Supply Voltage (V) Output Type Power-On State Specified Air Gap / Operating Signal Range
Key Spec Min. Speed Packages
A1667
4 to 24 3-wire High (output off) 30 to 1400 G Duty Cycle Zero Speed LL,K
A1684 4 to 24 2-wire High (current) 30 to 1500 G Duty Cycle Zero Speed UB
A1699 4 to 24 2-wire PW Low (current) 30 to 1500 G Direction Detection Zero Speed UB
ATS667 4 to 24 3-wire High (output off) 0.5 to 3.1 mm Duty Cycle Zero speed SG
New
ATS684

4 to 24 2-Wire High (current) 0.5 to 3.0 mm Duty Cycle Zero speed SN
ATS685 4 to 24 2-wire High (current) 0.5 to 3 mm Duty Cycle Zero speed SH
ATS692 4 to 24 2-wire PW Low (current) 0.5 to 2.75 mm Direction Detection Zero speed SH

ATS693

4 to 24 3-wire PW High (output off) 0.5 to 2.75 mm Direction Detection Zero Speed SG
New
ATS699

4 to 24 2-Wire Low (current) 0.5 to 2.5 mm Direction Detection
Zero Speed SN
Temperature range code: L = -40°C to 150°C

 

The following devices are discontinued: ATS657


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