MT4103 Series Uni-polar, Hall-Effect

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Wesley Randell Chambers
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1 Unipolar, HallEffect Magnetic Position ensors Features and Benefits Bipolar Technology Magnetic Type: Unipolar Wide Operating Voltage Range: upply Voltage 3.8~30V pecified Operating Temperature Range: From 40 ~150 Magnetic ensitivity Bop=150Gauss, Brp=100Gauss (typical) Lead Free Package Flat TO92, OT23, OT89B Open Collector Output RoH Compliant 2011/65/EU Applications Automotive, Home appliances, Industrial peed Detection Position Detection Magnetic Encoder olidtate witch Proximity witch Family Members Part number MT4103A MT4103AT MT4103AT MT4103BT MT4103ET Description Flat TO92 package, bulk packaging (1000pcs/bag) Flat TO92 package, Radial lead, bulk packaging (1000pcs/bag) OT23 package, tape and reel packaging (3000pcs/bag) OT89B package, tape and reel packaging ( 1000pcs/bag) OT23(thin outline) package, tape and reel packaging (3000pcs/bag) General Description The MT4103 family, produced with Bipolar technology, The Hall IC internally includes an onchip Hall voltage generator, a voltage regulator for operation with supply voltages of 3.8 to 30V, reverse protection diode, temperature compensation circuitry, smallsignal amplifier, chmitt trigger and an opencollector output. They are designed to respond to a single pole: North (AT) or outh (A, BT and ET). While the magnetic flux density(b) is larger than operate point (Bop), the output will be turned on (Low), while the magnetic flux density(b) is lower than release point (Brp), then turn off (High). The MT4103 family provides a variety of packages to customers: OT23/OT89B for surface mount and TO92 flat for throughhole mount. All packages are RoH compliant. 01/10

2 Unipolar, HallEffect Magnetic Position ensors Vs Regulator VOUT Hall Element Amp GND Functional Block Diagram Function Description Definition of Magnetic Parameters BOP: BRP: Operating Point Magnetic flux density applied on the branded side of the package which turns the output driver ON (V OUT = Low) Release Point Magnetic flux density applied on the branded side of the package which turns the output driver OFF (V OUT = high) BHYT: Hysteresis Window BOPBRP Definition of witching Function Output (V) Output (V) North Pole B OP B RP 0 0 B RP B OP outh Pole witching Behavior of AT witching Behavior of A, BT and ET 02/10

3 Unipolar, HallEffect Magnetic Position ensors N N Motion OUT=Low OUT=High OUT=Low OUT=High witching Point of AT witching Point of A Motion OUT=Low witching Point of BT OUT=High OUT=Low witching Point of ET OUT=High Note: Direction of magnetic flux Pin Description MT4103AT Name Number Description GND 3 Ground Output 2 OpenCollector output MT4103A (MT4103AT) Name Number Description Vs 1 Power Vs 1 Power GND 2 Ground Output 3 OpenCollector output MT4103ET Name Number Description Vs 1 Power GND 3 Ground Output 2 OpenCollector output MT4103BT Name Number Description Vs 1 Power GND 2 Ground Output 3 OpenCollector output 03/10

4 Unipolar, HallEffect Magnetic Position ensors Electrical and Magnetic Characteristics Absolute Maximum Ratings 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. ymbol Parameters Min Max Units V V RCC V OUT upply Voltage 40 V Reverse Battery Voltage 40 V Output Voltage 40 V I OUT Continuous output current 50 ma T A Operating Ambient Temperature T s torage temperature T J Junction temperature 165 B Magnetic flux No Limit Gauss MT4103 eries pecifications at T A = 40 to 150, Vs = 3.8V to 30V (unless otherwise specified) ymbol Parameter Test Condition Min V upply Voltage Operating V I upply Current B<B RP V ON Output aturation Voltage I OUT=20mA, B>B OP I OFF Output Leakage Current B<B RP, V OUT =30V 10 ua T R Output Rise Time R L=1KOhm, C L =20pF T F Output Fall Time R L=1KOhm, C L =20pF F W R TH B OP B RP Maximum witching Frequency 100 KHz OT23 Package Thermal Resistance 301 TO92 Package Thermal Resistance 230 OT89B Package Thermal Resistance Magnetic Operating Point Magnetic Release Point B HYT Hysteresis Window B OPB RP Typ Max Units 4 10 ma V u u /W /W /W 230 Gauss 150 Gauss Gauss 04/10

5 Unipolar, HallEffect Magnetic Position ensors Typical Application Circuit Note: R L recommend 1Kohm to 10Kohm MT4103 Typical Output Waveform (The TO92 package as an example ) B B OP Magnetic Field B RP T V High Digital Output Low T 05/10

6 Unipolar, HallEffect Magnetic Position ensors PACKAGE DEIGNATOR (MT4103A) TO92 Flat ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A b b c D D E e TYP TYP. e L θ 45 TYP. 45 TYP. 06/10

7 Unipolar, HallEffect Magnetic Position ensors PACKAGE DEIGNATOR (MT4103AT) Flat TO92 Radial lead ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A b b c D D E e TYP TYP. e TYP TYP. L REF REF. L REF REF. θ 45 TYP. 45 TYP. 07/10

8 Unipolar, HallEffect Magnetic Position ensors PACKAGE DEIGNATOR (MT4103AT) OT233L ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A A b c D E E e TYP TYP. e L θ /10

9 Unipolar, HallEffect Magnetic Position ensors PACKAGE DEIGNATOR (MT4103BT) OT89B ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A b b D c REF REF. E HE e TYP TYP. L /10

10 Unipolar, HallEffect Magnetic Position ensors PACKAGE DEIGNATOR (MT4103ET) OT23 ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A A b c D E E e TYP TYP. e L REF REF. L θ /10

MT1101 Series CMOS, Uni-polar, Hall-Effect

MT1101 Series CMOS, Uni-polar, Hall-Effect CMO, Unipolar, HallEffect Features and Benefits CMO Technology Magnetic Type: Unipolar Wide Operating Voltage Range: upply Voltage 2.8~24V pecified Operating Temperature Range: From 40 ~125 High Magnetic