BIPOLAR HALL EFFECT POSITION SENSOR FSH41 GENERAL DESCRIPTION The FSH41 is an integrated Hall effect latched sensor designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifiers the Hall voltage, and a Schmitt to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. A north pole of sufficient strength will turn the output ON. In the absence of a magnetic field, the output is OFF. FEATURES z z z Wide operating voltage range: 3.0V~20V Maximum output sink current 50mA Package: SIP3 PIN CONFIGURATION (Top View) 3 Output 2 Gnd 1 Vcc Name Vcc Gnd Output No. 1 2 3 Status P P O Description IC Power Supply IC Ground It is low state during the N magnetic field FUNCTIONAL BLOCK DIAGRAM Vcc 1 Regulator Hall Sensor 2 Gnd ABSOLUTE MAXIMUM RATINGS Vcc Pin Voltage Output OFF Voltage,Vce Output ON Current(Io) (Continuous Current) Power Dissipation (Ta=25℃) Operating Temperature Range Storage Temperature Range Junction Temperature Lead Temperature(Soldering,10 sec) 1/5 3 Output 20V 30V 50mA 400mW -40℃~+150℃ -65℃~+150℃ +150℃ +230℃ 2007-1-24 BIPOLAR HALL EFFECT POSITION SENSOR FSH41 DC ELECTRICAL CHARACTERISTICS Parameter Minimum Operating Voltage Maximum Operating Voltage Test Conditions No use pin is open(Fig1) No use pin is open(fig1) No use pin is open Quiescent Supply current Icc Vcc:3.0V~20V(Fig1) Output Saturation Voltage VSAT Vcc=12V,Io=50mA(Fig1) Note: Fig1 The IC output state is under N magnetic field. Symbol Vcc Vcc Max. Unit V V 3.7 10 mA 400 500 mV Saturation Voltage Unit: V 0.05 0.13 0.19 0.27 0.35 0.40 Note AC ELECTRICAL CHARACTERISTICS Parameter Rise time Fall time Typ. 3.0 20.0 OUTPUT SATURATION VOLTAGE VS. OUTPUT CURRENT (IO) VCC=12V, TEMP. =25℃ Output Current (Io) Unit: mA 5 15 25 35 45 50 Min. Symbol (tr) (tf) Test Conditions RL=820Ω CL=20pF(Fig1) RL=820Ω CL=20pF(Fig1) Min. Typ. 0.2 0.5 MAGNETIC CHARACTERISTICS FSH41 Parameter Bop Brp Bhys Ta=-40℃~+150℃ Max. +70 Min. Unit G G G -70 140 Vout S Vcc Mark Vd H Bh L N N Bop Brp Vsat 2/5 Max. 0 S Magnetic flux density 2007-1-24 Unit µS µS BIPOLAR HALL EFFECT POSITION SENSOR FSH41 Test Circuits FSH41 Vcc RL=820Ω CL=20pF Vout Fig1 TYPICAL APPLICATION CIRCUIT V+=40V 100µF 0.1µF 100µF 15V 0.1µF 0.1µF 20µF Foward/Reverse Speed Adjust Thermal Switch 0.1µF Rosc 1KΩ 10KΩ Cosc 0.005µF H1 500Ω H2 H3 Vref 1 Supply Voltage Cap Boost"A" 24 2 3 VrefOut Hall"A"Input 4 Hall"B"Input Gate Top"A" 23 Feedback"A" 22 Cap Boost"B" 21 5 Hall"C"Input 6 FWD/RE Input 7 Speed Adjust Input Gate Top"B" 20 Feedback"B" 19 Cap Boost"C" 18 8 Oscillator Control Gate Top"C" 17 9 (+)CurrentLimit(Brake) Feedback"C" 16 10 Analog Ground Gate Bottom"A" 15 11 (-)CurrentLimit(Reset)Gate Bottom"B" 14 12 Power Ground Gate Bottom"C" 13 22Ω 10µF BLDC Motor Vref 22Ω 10µF 22Ω 10µF Vref 22Ω UF4002 (3 Places) 22Ω 22Ω Counter Reset 1K Filter 1K Isense Resistor Brake 3/5 2007-1-24 BIPOLAR HALL EFFECT POSITION SENSOR FSH41 HALL SENSOR LOCATION The Fig2 is hall sensor location, where marks the IC number. X Unit Y X 2.1 mm Y 1.55 mm Fig2 FSH41 Hall Sensor Location ORDERING INFORMATION FSH41XXX Package: M: SIP3 4/5 Packing: Blank: Tube or Bulk Temperature Grade: F: -40~150℃ MARKING INFORMATION 2007-1-24 BIPOLAR HALL EFFECT POSITION SENSOR FSH41 PACKAGE INFORMATION L1 A1 A E θ Symbol A A1 B b C c D d E e L L1 θ 5/5 Dimensions In Millimeters Nom. Max. 1.50 1.60 0.74 0.79 2.62 2.72 1.27 1.32 0.58 0.331 0.381 0.431 3.9 4.0 4.1 0.1 3.0 3.1 3.2 2.44 2.54 2.64 13.0 14.0 15.0 0.35 0.38 0.41 45ο Min. 1.40 0.69 2.52 1.22 c b B D C e d L Min. 0.055 0.027 0.099 0.048 Dimensions In Inches Nom. 0.059 0.029 0.103 0.05 0.013 0.154 0.015 0.157 0.120 0.096 0.51 0.014 0.124 0.100 0.55 0.015 2007-1-24 Max. 0.063 0.031 0.107 0.052 0.023 0.017 0.160 0.004 0.128 0.104 0.59 0.016 45ο