GMR Speed and Direction Crankshaft Sensor

with Three-Wire, Pulse-Width Output

ATS16951PSM

3

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

ATS16951 P SMG TN –

ASIL Protocol:

-A: ASIL enabled with

open/short detection (1 V / 4 V output)

[blank]: ASIL disabled

Target Profile Diagnostic Feature:

-D: Feature enabled

Blank: Feature disabled

Typical Fall Time:

T1: 3 µs

T2: 6 µs

T3: 1 µs

T4: 2 µs

Typical Reverse Pulse Width:

R1: 45 µs

R2: 90 µs

R3: 135 µs

R4: 180 µs

Typical Forward Pulse Width:

F1: 22.5 µs

F2: 45 µs

Output Pulse Location:

M1: pulse sent in the middle of the target feature: valley or

tooth (decided by the N/S option)

M2: pulse sent on the mechanical edge: rising or falling

(decided by the N/S option)

Output Pulse Polarity:

N: pulse sent in the middle of the tooth or rising mechanical

edge (decided by M1/M2 option)

S: pulse sent in the middle of the valley or falling mechanical

edge (decided by M1/M2 option)

Rotation Direction (towards the pins):

F: forward pulses with target movement from pin 1 to 3

R: forward pulses with target movement from pin 3 to 1

Output Protocol:

W: pulse width protocol

O: speed only protocol

Packing Type

Package

Temperature Range

Allegro Identifier and Device Type

Configuration Options

-B: ASIL enabled without

open/short detection (0 V / 5 V output)