PRODUCT INFORMATION

HAL 28xy

Feb/2008

All information and data contained in this product information are without any commitment, are not to be consid-

ered as an offer for conclusion of a contract, nor shall they be construed as to create any liability. Product or

development sample availability and delivery are exclusively subject to our respective order confirmation form. By

this publication, Micronas GmbH does not assume responsibility for patent infringements or other rights of third

parties which may result from its use.

Micronas GmbH

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Tel. +49-761-517-0

⋅ Fax +49-761-517-2174 ⋅ E-mail: docservice@micronas.com ⋅ www.micronas.com

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without the express written consent of Micronas GmbH.

Edition Feb. 6, 2008; Order No. PI000121_001EN

Development Tools

All communication is done by means of LIN

frames or BiPhase-M telegrams depending

on the sensor type. For engineering pur-

poses, Micronas offers an easy-to-use

application kit:

(hardware version 5.x)

Serial Port

HAL Programmer Board

Fig. 1: Development tool setup

System Architecture

The HAL 28xy sensors are produced in a

proven automotive submicron CMOS tech-

nology.

The HAL 28xy family features a tempera-

ture-compensated Hall plate with spinning-

current offset compensation, an A/D con-

verter for the Hall-plate, an A/D converter

for the temperature sensor, digital signal

processing (RISC processor), different fully

integrated digital interfaces including the

physical layer, an EEPROM memory with

redundancy and lock function for the cali-

bration data, and protection devices on all

pins.

The HAL 28xy family is programmable by

means of LIN frames or by a BiPhase-M

telegram. No additional programming pin is

needed.

Internally

Temperature

Oscillator

Switched

A/D

RISC

Processor

DIO

VSUP

GND

EEPROM Memory

Lock Control

stabilized

Supply and

Protection

Devices

Dependent

Bias

Protection

Devices

Hall Plate

Converter

Digital I/O

30k

Transceiver

PWM

SENT

...

Temperature

A/D

Sensor

Converter

LIN

Fig. 2: Block diagram of the HAL 28xy family