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SS199 Dataheets PDF



Part Number SS199
Manufacturers SEC
Logo SEC
Description Unipolar Hall Switch-Low Sensitivity
Datasheet SS199 DatasheetSS199 Datasheet (PDF)

SS199 Unipolar Hall Switch-Low Sensitivity Packages Features and Benefits – – – – – – – – 3.5V to 24V Operation -40℃ to 150℃ Superior temperature operation CMOS technology Low current consumption Chopper-stabilized amplifier stage Open drain output Low sensitivity Small Size-SOT23 3L or SIP 3L both RoHS compliant packages 3 pin SOT23 (suffix SO) 3 pin SIP (suffix UA)   Functional Block Diagram VDD Voltage Regulator Application Examples – – – – – – – Automotive, Consumer and Industrial Sol.

  SS199   SS199


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SS199 Unipolar Hall Switch-Low Sensitivity Packages Features and Benefits – – – – – – – – 3.5V to 24V Operation -40℃ to 150℃ Superior temperature operation CMOS technology Low current consumption Chopper-stabilized amplifier stage Open drain output Low sensitivity Small Size-SOT23 3L or SIP 3L both RoHS compliant packages 3 pin SOT23 (suffix SO) 3 pin SIP (suffix UA)   Functional Block Diagram VDD Voltage Regulator Application Examples – – – – – – – Automotive, Consumer and Industrial Solid-state switch Brushless DC motor commutation Speed detection Angular position detection Proximity detection Current detector OUT Chopper www.DataSheet.net/   Hall Plate GND SIP Package Pin 1 – V DD Pin 2 – GND Pin 3 – OUT SOT Package Pin 1 – V DD Pin 2 – OUT Pin 3 – GND General Description The SS199 is a unipolar Hall-effect sensor IC fabricated from CMOS technology. The device integrates a voltage regulator, Hall sensor with dynamic offset cancellation system, small signal amplifier, Schmitt trigger and an open-drain output driver. With suitable output pull up, they can be used with bipolar or CMOS logic circuits. These Hall-effect switches are monolithic integrated circuits with tighter magnetic specifications, designed to operate continuously over extended temperatures to +150℃, and are more stable with both temperature and supply voltage changes. The unipolar switching characteristic makes these devices ideal for use with a simple bar or rod magnet. Thanks to its wide operating voltage range and extended choice of temperature range, it is quite suitable for use in automotive, industrial and consumer applications. The device is delivered in a Small Outline Transistor (SOT) or in a Plastic Single In Line ( SIP 3L flat). Both 3-lead packages are RoHS compliant.   1 V2.10 May 1, 2012 Datasheet pdf - http://www.DataSheet4U.co.kr/ SS199 Unipolar Hall Switch-Low Sensitivity Glossary of Terms MilliTesla (mT), Gauss RoHS Operating Point (B OP ) Release Point (B RP ) Units of magnetic flux density: 1mT = 10 Gauss Restriction of Hazardous Substances Magnetic flux density applied on the branded side of the package which turns the output driver ON (V OUT = V DSon ) Magnetic flux density applied on the branded side of the package which turns the output driver OFF (V OUT = high) Pin Definitions and Descriptions   SOT Pin № SIP Pin № 1 2 3 1 3 2 Name VDD OUT GND Type Supply Output Ground Function Supply Voltage pin Open Drain Output pin Ground pin www.DataSheet.net/ Table 1: Pin definitions and descriptions Absolute Maximum Ratings Parameter Symbol Supply Voltage V DD Supply Current I DD Output Voltage V OUT Output Current I OUT Storage Temperature Range TS Table 2: Absolute maximum ratings Operating Temperature Range Temperature Suffix “E” Temperature Suffix “K” Temperature Suffix “L” Symbol TA TA TA Value 28 50 28 50 -65 to 170 Units V mA V mA °C Value -40 to 85 -40 to 125 -40 to 150 Units °C °C °C Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2 V2.10 May 1, 2012 Datasheet pdf - http://www.DataSheet4U.co.kr/ SS199 Unipolar Hall Switch-Low Sensitivity General Electrical Specifications DC Operating Parameters T A = 25℃, V DD = 3.5V to 24V (unless otherwise specified) Parameter Symbol Test Conditions Operating B < B RP I OUT = 20mA, B > B OP B < B RP V OUT = 24V R L = 1kΩ, C L = 20pF R L = 1kΩ, C L = 20pF Min 3.5 1.5 Typ 2.5 0.4 0.01 0.25 0.25 Max 24 5 0.5 10 Units V mA V µA µs µs Supply Voltage V DD Supply Current I DD Output Saturation Voltage V DSon Output Leakage Current I OFF Output Rise Time tr Output Fall Time tf Table 3: Electrical Specifications Magnetic Specifications DC Operating Parameters V DD = 3.5V to 24V (unless otherwise specified) SS199 Parameter Operating Point Release Point Hysteresis Symbol B OP B RP B HYST Test Conditions Ta=25℃,V DD =12V DC Min 60 20 Typ 80 50 30 Max 100 80 Units G G G Table 4: Magnetic Specifications www.DataSheet.net/ Application Information Typical Three-Wire Application Circuit Automotive and Harsh, Noisy Environments Three-Wire Circuit   3 V2.10 May 1, 2012 Datasheet pdf - http://www.DataSheet4U.co.kr/ SS199 Unipolar Hall Switch-Low Sensitivity Application Comments For proper operation, a 100nF bypass capacitor should be placed as close as possible to the device between the V DD and ground pin. For reverse voltage protection, it is recommended to connect a resistor or a diode in series with the V DD pin. When using a resistor, three points are important: - the resistor has to limit the reverse current to 50mA maximum (V CC / R1  50mA) - the resulting device supply voltage V DD has to be higher than V DD min (V DD = V CC – R1.I DD ) - the resistor has to withstand the power dissipated in reverse voltage condition (P D = V CC 2/ R1) When using a diode, a reverse current cannot flow and the voltage drop is almost constant (  0.7V). T.


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