Switch Sensor. MT6343 Datasheet

MT6343 Sensor. Datasheet pdf. Equivalent

MT6343 Datasheet
Recommendation MT6343 Datasheet
Part MT6343
Description MR Switch Sensor
Feature MT6343; MT6343 Series Omni-polar, Low Power, MR Switch Sensor Feature Application:  AMR+CMOS monolithic .
Manufacture MegnTek
Datasheet
Download MT6343 Datasheet




MegnTek MT6343
MT6343 Series
Omni-polar, Low Power, MR Switch Sensor
Feature
Application:
AMR+CMOS monolithic structure
High sensitivity
Bop= 18Gauss, Brp= 15Gauss
Low Power Consumption
Average Supply<1.3uA (Typical)
Wide operating temperature range
-40~125°C
Complementary Output Mode
RoHs Compliant 2011/65/EU
Position Detection
Proximity Detection
Speed Detection
Flow meters include water meter, gas meter
and heat meter
Product Description
The MT6343 is a monolithic IC with built-in MR magneto-resistive element and CMOS switch. The IC
internally includes a MR bridge, a voltage regulator for operation with supply voltage from 1.8V to 5.5V, a
sleep/awake logic for low power consumption, small signal amplifier and Schmitt trigger comparator with
dynamic offset cancellation, and a complementary output.
When combined with a magnet, it becomes a non-contact switch with low current consumption, high
sensitivity and reliability. A horizontal magnetic field parallel to the electrode of the package can be detected
by an arbitrary polarity.
The 6343 is ideal for use to gather speed and detect position, particularly suited for applications that require
accurate duty cycle or accurate edge detection and low power consumption such as position detection of air
cylinder, speed detection of smart meter.
Pin definition
Name
VDD
GND
OUT
Number
1
2
3
Description
Power Supply
Ground
Output Signal
2
1
3
Family members
Part Number
Description
MT6343A-1
Flat TO-92 package, bulking packaging(1000pcs/bag)
MT6343A-2
Flat TO-92 package, bulking packaging(1000pcs/bag)
MT6343AT-1
SOT-23 package ,tape and reel packaging(3000pcs/bag)
MT6343AT-2
SOT-23 package ,tape and reel packaging(3000pcs/bag)
MT6343AT-1 chip mark is C431Y, C431 represent “6343-1” and Y represent date code
MT6343AT-2 chip mark is C432Y, C432 represent “6343-2” and Y represent date code
www.magntek.de
Rev.1 12/2015
1/8



MegnTek MT6343
MT6343 Series
Omni-polar, Low Power, MR Switch Sensor
Block Diagram
Function Description
Definition of magnetic parameters
Bop: Operating point ,magnetic flux density applied on the branded side of the package which turns the output
driver ON( Vout=Low)
Brp: Release point, magnetic flux density applied on the branded side of the package which turns the output driver
OFF( Vout=High)
Bhyst: Hysteresis window Bop-Brp
Definition of Switching Function
www.magntek.de
Rev.1 12/2015
2/8



MegnTek MT6343
MT6343 Series
Omni-polar, Low Power, MR Switch Sensor
Drawing Illustrating Detectable Magnetic Field
Flat TO-92 package
SOT-23 package
Detection of magnetic field
To operate the MR switch, the magnetic field should be applied to the sensor with sufficient magnetic flux density
and correct direction. MT6343 series are designed to be ON-state (Low-level output) when the horizontal
direction magnetic field is applied in parallel to the marked side of sensor, with sufficient magnetic flux (BOP
value) regardless of polarity of magnet. MT6343 series detect the horizontal direction magnetic field, and it does
not respond to vertical direction magnetic field.
Absolute Maximum Rating
Absolute maximum ratings are limiting values to be applied individually, and beyond which the serviceability of
the circuit may be impaired .Functional operability is not necessarily implied. Exposure to absolute maximum
rating conditions for an extended period of time may affect device reliability.
Absolute maximum ratings: all voltages listed are referenced to GND
Symbol
Parameters
Min Max
Unit
VDD Supply Voltage
-0.5 7
V
IOUT Continuous Output Current
- 10
mA
Vout Output voltage
-0.5 7
V
B Magnetic flux
- 3000
Gauss
TA Operating Temperature Range
-40 +125
°C
TS Storage Temperature Range
-50 +150
°C
www.magntek.de
Rev.1 12/2015
3/8







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