A19300LUBATN-RWBGA datasheet(1/17 Pages) ALLEGRO

Part #	A19300LUBATN-RWBGA

Description	ASIL-Compliant Hall-Effect Wheel Speed Sensor IC with Speed and Direction Output

PDF	17 Pages

Scroll/Zoom	100%

Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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The A19300 is an optimized Hall-effect integrated circuit (IC)

that provides a user-friendly two-wire solution for applications

where pitch accuracy is important for the determination of

speed and direction of the sensed target. The small package

includes an integrated capacitor and Hall-based IC in a single

overmolded design, with an additional molded lead-stabilizing

bar for robust shipping and ease of assembly.

The IC’s SolidSpeed Digital Architecture offers intelligent

algorithms capable of maintaining stable operation during

dynamic air gap movements. The sophisticated digital controller

provides highly accurate speed detection and rotational direction

detection ideal for ABS applications.

Integrated diagnostics are used to detect an IC failure impacting

output protocol accuracy, providing ASIL B compliance. The

IC includes built-in EEPROM scratch memory available for

device traceability throughout sensor module production.

The IC is offered in the UB package, which integrates the IC

and a high temperature ceramic capacitor in a single overmolded

SIP package for enhanced EMC performance.

The 2-pin SIP package is lead (Pb) free, with tin leadframe

plating.

A19300-DS, Rev. 2

MCO-0000535

• Hall-effect technology allows ease of use for ring

magnet and ferrous target sensing

• Integrated capacitor in a single overmolded miniature

package provides greater EMC robustness

• SolidSpeed Digital Architecture supports advanced

algorithms, maintaining pitch accuracy during dynamic

air gap disturbances

• ASIL B rating based on integrated diagnostics and

certified safety design process

• User-accessible EEPROM for device traceability

ASIL-Compliant Hall-Effect Wheel Speed Sensor IC

with Speed and Direction Output

Functional Block Diagram

A19300

Oscillator

EEPROM

Digital

Controller

L-C

Output

ESD

Protection

Regulator

VCC

ADC

C-R

VCC

GND

Output

Driver

FEATURES AND BENEFITS

DESCRIPTION

September 26, 2022

PACKAGE:

Not to scale

2-Pin SIP

(suffix UB)

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A19300LUBATN-RWBGA Datasheet(PDF) 1 Page - Allegro MicroSystems

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