全极低功耗霍尔开关SS41F使用手册-

1、 Application Examples Brushless DC motor commutation Automotive, Consumer and Industrial Solid-state switch Speed measurement Revolution counting Angular position detection Proximity detectionFeatures and Benefits 4.5V to 24V Operation -40 to 150 Superior temperature operation Bipolar technology Ope

2、n-collector 25 mA output Reverse battery protection Small Size-SOT23 3L or SIP 3L Solid-state reliability Resistant to physical stressActivate with small, commercially available permanent magnets 3 pin SOT23 (suffix SO3 pin SIP (suffix UA General DescriptionThe SS41 is an integrated Hall effect latc

3、hed sensor designed for electronic commutation of brush-less DC motor applications. The device integrates a voltage regulator, reverse battery protection diode, Hall sensor with dynamic offset cancellation system, temperature compensation circuitry, small signal amplifier, Schmitt trigger and an ope

4、n-collector output to sink up to 25 mA.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. If a magnetic flux dens

5、ity larger than threshold Bop, Output is turned on (low. The output state is held until a magnetic flux density reversal falls below Brp, causing Output to be turned off (high.Thanks to its wide operating voltage range and extended choice of temperature range, it is quite suitable for use in DC moto

6、r 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.Glossary of TermsMilliTesla (mT, Units of magnetic flux density: 1mT = 10 GaussRoHSRestrictionofHazardousSubstancesOperating Point (B OP Magn

7、etic flux density applied on the branded side of the package which turns the output driver ON (V OUT = V DSonRelease Point (B RP Magnetic flux density applied on the branded side of the package which turns the output driver OFF (V OUT = high Pin Definitions and Descriptions Name Type FunctionSOT Pin

8、 SIPPin1 1 VDD S upp l y S upp l y V o l t a g e p i n2 3 O UT O u t pu t Open Dr a i n Output p i n3 2 GND G r ound Ground p i n Absolute Maximum RatingsParameter Symbol Value UnitsS upp l y V o l t a g e V DD28VS upp l y C u rr e n t I DD50m AOutput V o l t a g e V O UT28VOutput C u rr e n t I O U

9、T50m AStorage Temperature Range T S-65 to 170 °CAbsolute maximum ratingsOperating Temperature Range Symbol Value UnitsTemperature Suffix “E” TA -40 to 85 °CTemperature Suffix “K” TA -40 to 125 °CTemperature Suffix “L” TA -40 to 150 °CExceeding the absolute maximum ratings may cau

10、se permanent damage. Exposure to absolute-maximum- rated conditions for extended periods may affect device reliability. General Electrical SpecificationsDC Operating Parameters T A = 25, V DD = 4.5V to 24V (unless otherwise specifiedParameter Symbol Test Conditions Min Typ Max UnitsS upp l y V o l t

11、 a g e V DD O p e r a t i ng 4.524V S upp l y C u rr e n t I DD B < B RP5 10 m A Output S a t u r a t i on V o l t a g e V D S on I OUT = 20mA, B > B OP 0.4 0.5 V Output L ea k a g e C u rr e n t I O FF B < B RP V OUT = 24V 0.015 µA Output R i s e T i m e t r R L = 1K , C L = 20pF 0.3

12、1.5 µs Output F a ll T i m et fR L =1K , C L = 20pF0.31.5µsMagnetic SpecificationsDC Operating Parameters V DD = 4.5V to 24V (unless otherwise specifiedParameter Symbol Test ConditionsMin Typ Max Units O p e r a t i ng P o i n t B OP 5 37 70 G R e l ea s e P o i n t B RP -70 -37 -5 G Hy s

13、t e r e s i sB H Y STa=25,Vdd=5V DC75GApplication Information Package Information Package F, 3-Pin SIP: SS41 Bipolar Hall-Effect Position Sensor Package FT, 3-Pin SOT-23： Ordering Information Part No. SS41ESOT SS41EUA SS41KSOT SS41KUA SS41LSOT SS41LUA Pb-free YES YES YES YES YES YES Temperature Code -40°C to 85°C -40°C to 85°C -40°C to 125°C -40°C to 125°C -40°C to 150°C -40°C to 150°C Package Code SOT-23 TO-92 SOT-2