SS41 Bipolar Hall-Effect Position Sensor Features and Benefits – – – – – – – – – Application Examples 4.5V to 24V Operation -40℃ to 150℃ Superior temperature operation Bipolar technology Open-collector 25 mA output Reverse battery protection Small Size-SOT23 3L or SIP 3L Solid-state reliability Resistant to physical stress Activate with small, commercially available permanent magnets – – – – – – – 3 pin SOT23 (suffix SO) Brushless DC motor commutation Automotive, Consumer and Industrial Solid-state switch Speed measurement Revolution counting Angular position detection Proximity detection 3 pin SIP (suffix UA) 1 V2.00 May 1, 2012 SS41 Bipolar Hall-Effect Position Sensor General Description The SS41 is an integrated Hall effect latched 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 open-collector output to sink up to 25 mA. changes. If a magnetic flux density 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 motor applications. 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 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 Terms MilliTesla (mT), Units of magnetic flux density: 1mT = 10 Gauss RoHS Restriction of Hazardous Substances Operating Point (B OP ) Magnetic flux density applied on the branded side of the package which turns the output driver ON (V OUT = V DSon ) Release Point (B RP ) Magnetic flux density applied on the branded side of the package which turns the output driver OFF (V OUT = high) 2 V2.00 May 1, 2012 SS41 Bipolar Hall-Effect Position Sensor Pin Definitions and Descriptions SOT Pin № SIP Pin № Name Type Function 1 1 VDD Supply Supply Voltage pin 2 3 OUT Output Open Drain Output pin 3 2 GND Ground Ground pin Absolute Maximum Ratings Parameter Symbol Supply Voltage Value Units VDD 28 V Supply Current IDD 50 mA Output Voltage VOUT 28 V Output Current IOUT 50 mA Storage Temperature Range TS -65 to 170 °C Absolute maximum ratings Operating Temperature Range Symbol Value Units Temperature Suffix “E” TA -40 to 85 °C Temperature Suffix “K” TA -40 to 125 °C Temperature Suffix “L” TA -40 to 150 °C Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute-maximum- rated conditions for extended periods may affect device reliability. 3 V2.00 May 1, 2012 SS41 Bipolar Hall-Effect Position Sensor General Electrical Specifications DC Operating Parameters T A = 25℃, V DD = 4.5V to 24V (unless otherwise specified) Typ Max Units 24 V 5 10 mA IOUT = 20mA, B > B OP 0.4 0.5 V IOFF B < B RP VOUT = 24V 0.01 5 µA Output Rise Time tr RL = 1KΩ, CL = 20pF 0.3 1.5 µs Output Fall Time tf RL =1KΩ, CL = 20pF 0.3 1.5 µs Parameter Symbol Test Conditions Supply Voltage VDD Operating Supply Current IDD B < B RP Output Saturation Voltage VDSon Output Leakage Current Min 4.5 批注 [PKU1]: 漏电流怎么差 别这么大？ Magnetic Specifications DC Operating Parameters VDD = 4.5V to 24V (unless otherwise specified) Parameter Symbol Operating Point B OP Release Point B RP Hysteresis B HYS Test Conditions Ta=25℃,Vdd=5V DC Min Typ Max Units 5 37 70 G -70 -37 -5 G 75 G Application Information 4 V2.00 May 1, 2012 SS41 Bipolar Hall-Effect Position Sensor Package Information Package F, 3-Pin SIP: 5 V2.00 May 1, 2012 SS41 Bipolar Hall-Effect Position Sensor Package FT, 3-Pin SOT-23： Ordering Information Part No. Pb-free Temperature Code Package Code Packing SS41ESOT YES -40°C to 85°C SOT-23 7-in. reel, 3000 pieces/ reel SS41EUA YES -40°C to 85°C TO-92 Bulk, 1000 pieces/ bag SS41KSOT YES -40°C to 125°C SOT-23 7-in. reel, 3000 pieces/ reel SS41KUA YES -40°C to 125°C TO-92 Bulk, 1000 pieces/ bag SS41LSOT YES -40°C to 150°C SOT-23 7-in. reel, 3000 pieces/ reel SS41LUA YES -40°C to 150°C TO-92 Bulk, 1000 pieces/ bag 6 V2.00 May 1, 2012