ATS675LSETN-HT-T Allegro, ATS675LSETN-HT-T Datasheet

ATS675LSETN-HT-T

Manufacturer Part Number

ATS675LSETN-HT-T

Description

Manufacturer

Allegro

Datasheets

1.ATS675LSETN-HT-T.pdf (13 pages)

2.ATS675LSETN-HT-T.pdf (13 pages)

3.ATS675LSETN-HT-T.pdf (13 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

ATS675LSETN-HT-T

Manufacturer:

GENNUM

Quantity:

2 300

Current page: 1 of 13
Download datasheet (420Kb)

Features and Benefits

▪ Chopper stabilized; optimized for automotive cam

▪ Rapid transition from TPOS mode to high accuracy

▪ High immunity to signal anomalies resulting from

▪ Tight timing accuracy over full operating

▪ True zero-speed operation

▪ Automatic Gain Control circuitry for air gap

▪ Operation at supply voltages down to 3.3 V

▪ Digital output representing target profile

▪ Undervoltage lockout (UVLO)

▪ Patented Hall IC-magnet system

Package: 4-pin SIP module (suffix SE)

ATS675LSE-DS, Rev. 1

sensing applications

running mode switchpoints

magnetic overshoot and peak-to-peak field variation

temperature range

independent switchpoints

Optimized for Automotive Cam Sensing Applications

Not to scale

0.1 μF

BYPASS

Figure 1. Operational circuit for the ATS675

Recommended

Typical Application

Self-Calibrating TPOS Speed Sensor

TEST

ATS675

VCC

GND

Description

The ATS675 is the next generation of the Allegro

Power-On State (TPOS) sensor family, offering improved

accuracy compared to prior generations. The ATS675 provides

absolute zero-speed performance and TPOS information.

The sensor incorporates a single-element Hall IC with an

optimized custom magnetic circuit that switches in response

to magnetic signals created by a ferromagnetic target. The IC

contains a sophisticated digital circuit designed to eliminate

the detrimental effects of magnet and system offsets. Signal

processing is used to provide device performance at zero target

speed, independent of air gap, and which adapts dynamically

to the typical operating conditions found in automotive

applications, particularly camshaft-sensing applications.

High resolution peak-detecting DACs are used to set the adaptive

switching thresholds of the device, ensuring high accuracy

despite target eccentricity. Internal hysteresis in the thresholds

reduces the negative effects of anomalies in the magnetic signal

(such as magnetic overshoot) associated with targets used in

many automotive applications. The resulting output of the

device is a digital representation of the ferromagnetic target

profile. The ATS675 also includes a low bandwidth filter that

increases the noise immunity and the signal-to-noise ratio of

the sensor.

The device package is lead (Pb) free, with 100% matte tin

leadframe plating.

OUT

Sensor

Output

ATS675LSE

True

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