DVK91205 Melexis Inc, DVK91205 Datasheet

BOARD EVAL FOR MLX91205

DVK91205

Manufacturer Part Number
DVK91205
Description
BOARD EVAL FOR MLX91205
Manufacturer
Melexis Inc
Series
Triaxis™r
Datasheets

Specifications of DVK91205

Sensor Type
Current Sensor
Interface
Analog
Voltage - Supply
4.5 V ~ 5.5 V
Embedded
No
Utilized Ic / Part
CSA-1V, MLX91205
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sensitivity
-
Sensing Range
-
Other names
EVB91205
EVB91205

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DVK91205
Manufacturer:
Melexis Inc
Quantity:
135
Features and Benefits
Ordering Information
Part No.
MLX91205KDC-LB
MLX91205KDC-HB
3901091205
Rev 010
1 Functional diagram
Biasing
Triaxis™ Hall Technology
Sensitive to a magnetic field parallel to the
chip surface
Very high sensitivity
Linear output voltage proportional to a
magnetic field
Wideband: DC to 100kHz
Short response time 8 s
Low offset and offset drift
Very low noise
Isolated from current conductor
Surface mount SOIC8 package
Unit
Cancellation
Modulator
Offset
NC
PV
Calibration Unit
Amplifier
Temperature Code
(-40° C to 125° C)
(-40° C to 125° C)
VDD
PC
GND
PD
Demodulator
Buffer
IMC Current Sensor (Triaxis™ Technology)
CO_OUT
A_OUT
Page 1 of 13
Package Code
DC (SOIC)
DC (SOIC)
Applications Examples
The new Triaxis™ current sensor MLX91205 is a
single axis integrated magnetic sensor based on
the Hall Effect. It produces an analog linear, ratio-
metric output voltage proportional to the applied
magnetic field parallel with the chip surface.
The circuit is fabricated using a standard CMOS
process.
(Triaxis™
Concentrator) that is added in a simple post-
processing step, amplifies the magnetic field and
concentrates it on the Hall elements. Therefore,
the circuit features very high magnetic sensitivity,
low offset, and low noise.
The MLX91205 is ideally suited for current
sensing
environments.
There are 2 different product versions available.
The 91205HB features a linear magnetic field
range of ±20mT and the 91205LB features a linear
range of ±7.5mT.
HB refers to a high magnetic field, whereas LB
refers to a low magnetic field range.
2 General description
AC and/or DC contactless current
measurement
Wideband Magnetic Field Measurement
Battery Management
AC/DC Converters
Motor Control
Solar Power Converter (MPPT)
Power Management
The
or
in
IMC™
additional
automotive
MLX91205
=
Integrated
ferromagnetic
Option code
and
Data Sheet
Jun/09
Magnetic
industrial
layer

Related parts for DVK91205

DVK91205 Summary of contents

Page 1

Features and Benefits Triaxis™ Hall Technology Sensitive to a magnetic field parallel to the chip surface Very high sensitivity Linear output voltage proportional to a magnetic field Wideband 100kHz Short response time 8 s Low offset and offset ...

Page 2

Table of Contents 1 Functional diagram ......................................................................................................... 1 2 General description ........................................................................................................ 1 3 Glossary of Terms .......................................................................................................... 3 4 Maximum ratings ............................................................................................................ 3 5 Pin definitions and descriptions.................................................................................... 3 6 MLX91205 General Electrical Specifications ................................................................ 4 MLX91205 Sensor Specific ...

Page 3

Glossary of Terms Gauss (G), Tesla (T): Magnetic flux density units where ADC: Analog-to-Digital Converter TC: Sensitivity Temperature Coefficient (in ppm/Deg.C.). TM Tria is : The Tria is™ technology refers to the Melexis Hall ...

Page 4

MLX91205 General Electrical Specifications o DC Operating Parameters +125 A Parameter Symbol Table 3: Electrical specifications 7 MLX91205 Sensor Specific Specifications 7.1 91205 LB: Low Field version 10mT (marking xxL Operating Parameters ...

Page 5

High Field version 25mT (marking xxH Operating Parameters 125 A unloaded. Unless otherwise specified. Parameter. Symbol Test Conditions Table 5: Sensor specifications 25mT version (high-field version) Note 1: Ratiometric (proportional to ...

Page 6

Detailed General Description Melexis IMC current sensor MLX91205 is a single axis magnetic field sensor based on the Hall Effect integrated combination of a CMOS Hall circuit and a thin ferromagnetic concentrator. The CMOS circuit contains ...

Page 7

Performance Graphs 10.1 Offset over Temperature The product is calibrated at room temperature and tested at -40° C, 25° C and +125° C. The Offset performance 0V ±20mV at room temperature and is 0V ±50mV over the temperature range ...

Page 8

Applications Information 11.1 Low current measurement up to ±2 A Low currents can be measured with the MLX91205 by increasing the magnetic field via a coil around the sensor. The sensitivity (output voltage vs. current in coil) of the ...

Page 9

Application Diagram 12.1 Direct Single Ended Output For reliable operation within the specifications the sensor must be connected as follows the supply voltage is disturbed by EMI it can be useful to place a second capacitor (100pF ...

Page 10

Standard information regarding manufacturability of Melexis products with different soldering processes Melexis devices are qualified using state-of-the-art practices in accordance with automotive and environmental requirements. Through qualifications, various soldering techniques are considered; please refer to “Soldering recommendations (http://www.melexis.com/Asset/Soldering_Application_Note_and_Recommendations_DownloadLink_5446.as px) ...

Page 11

ESD Precautions Electronic semiconductor products are sensitive to Electro Static Discharge (ESD). Always observe Electro Static Discharge control procedures whenever handling semiconductor products. A well designed (capacitors close to pins and low resistive ground layout) PCB layout will help ...

Page 12

Pinout and marking 15.3 Hall plate positioning 3901091205 Rev 010 IMC Current Sensor (Triaxis™ Technology) Top Marking : Bottom Marking : Page MLX91205 Data Sheet Jun/09 ...

Page 13

Disclaimer Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Melexis makes no warranty, express, statutory, implied description regarding the information set forth herein or regarding the ...

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