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| APX9140 Hall Effect Sensor IC Features * * * * * * On-chip Hall Sensor Low Operating Supply Voltage : 3 V High Output Sinking Capability up to 400mA Versatile sensitivity and hysteresis setting Reliable and Rugged 4 pin TO-92M Package General Description The APX9140 is an integrated Hall Effect Sensor IC designed for electric commutation of DC brushless motor applications. The APX9140 still can operate at as low as 3 volts. The APX9140 is available in low cost TO -92M package with 3 different magnetic ranks. Pin Description Front View APX9140 Applications * * * * Speed Measurement Revolution Counting Brushless DC Motor Brushless DC Fan 1 1 : V DD 2 : DO 3 : DOB 4 : GND 2 34 Ordering Information APX9140 Handling Code Temp. Range Package Code Magnetic Rank Magnetic Rank A : | Bop , Brp | < 70 Gauss B : | Bop , Brp | < 100 Gauss D : | Bop , Brp | < 150 Gauss Package Code E : TO - 92M4 Temp. Range E : - 20 to 85 C Handling Code PB : Plastic Bag TB : Tape & Box TR : Tape & Reel ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 1 www.anpec.com.tw APX9140 Block Diagram APX9140 VDD Temperature Compensated Voltage Regulator Hall Element Current Amplifier Latch Circuit Hysteresis Control Sensitivity Control Output Buffer 1 DO Output Buffer 2 DOB Gnd Absolute Maximum Ratings Symbol V DD V BD IDD IOUT Supply Output Supply Output TA = 25C unless otherwise noted Rating 20 55 25 400 600 800 500 -20 to 85 -65 to 150 260 Unit V V mA mA mW C PD TA T STG T SOL Parameter Voltage Breakdown Voltage Current Current - Continuous Hold Current Peak (Start Up) Maximum Power Dissipation Operating Ambient Tem perature Storage Tem perature Range Soldering Temperature (10 Sec.) Electrical Characteristics Symbol V DD VSAT IDD ILeak tr a tf a t a Parameter Supply Voltage Output Saturation Voltage Supply Current Output Leakage Current Output Rise Time Output Fall Time Switch Time Different TA = 25C, VDD=14V unless otherwise noted Test Condition APX9140 Min. Typ. Max. 3 20 250 500 18 25 <0.1 10 1.0 5 0.1 1 3.5 7 Unit V mV mA A s s s Operating VDD=14V, IOUT=400mA, B>Bop VDD=20V, Output Open VOUT=20V, VDD=20V, B a : use Figure 1 Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 2 www.anpec.com.tw APX9140 Magnetic Characteristics Rank A B D TA = 25C, VDD=14V unless otherwise noted Maximum Release Point Brp -70 -100 -150 Unit Gauss Maximum Operate Point Bop +70 +100 +150 Notes : For 5cm and below DC fan application, grade A device is recommended to avoid magnetic sensitivity problem. For above 5cm DC fan application, grade B device is acceptable for most cases. Test Information APX9140 1 Signal Generator 2 34 Scope RL2 VDD RL1 CL1 CL2 Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement Application Circuit +B -B 1 2 3 4 L1 L2 APX9140 D1 VDD C1 Figure 2 Typical DC brushless fan application circuit Note: Add diode(D1) for reverse voltage protection and add capacitor (C1) to eliminate high voltage spike into Hall IC. Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 3 www.anpec.com.tw APX9140 Typical Characteristics Supply Current Vs Supply Voltage 20 10 Output Low Voltage Vs Supply Voltage 200 TA= 25C Output Low Voltage - mV 175 TA= 25C Supply Current - mA 0 -10 -20 -30 -40 -50 -5 0 5 10 15 20 25 30 150 125 100 0 5 10 15 20 Supply Voltage - V Supply Voltage - V Output Low Voltage vs Ambient Temperature 200 20 IOUT=300mA VDD=14V 175 Supply Current vs Temperature 19 Output Low Voltage- mV 14V 20V Supply Current - mA 18 17 16 15 14 13 12 11 10 -20 3V 150 125 100 -20 0 20 40 60 80 100 0 20 40 60 80 100 Temperature - C Temperature - C Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 4 www.anpec.com.tw APX9140 Typical Characteristics (Cont.) Magnetic Switch Points vs Supply Voltage Magnetic Switch Points vs Temperature 200 200 Magnetic Switch Points - G 100 50 0 -50 -100 -150 -200 0 5 Bop TA= 25C Magnetic Switch Points - G 150 IOUT=300mA 150 100 50 0 -50 -100 -150 -200 -20 0 20 40 Brp Bop IOUT=300mA VDD=14V Brp 10 15 20 60 80 100 Supply Voltage - V Temperature - C Power Dissipation vs. Ambient Temperature 600 Output Breakdown Voltage Power Dissipation - mW 500 400 300 200 100 0 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 10 20 30 VCE (V) 0 25 50 75 100 125 150 ICE (uA) 40 50 60 Ambient Temperature - C Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 5 www.anpec.com.tw APX9140 Package Information TO-92M4 Marking Surface S E IC chip C L A L1 b1 e1 D J 0.85mm 1.95mm e Sensitive Area (0.286 x0.286mm2) Position of Hall Sensor reference to the top-left of package x= 0.85 0.1mm y= 1.95 0.1mm Dim A b1 C D e e1 E J L L1 S Min. 3.60 0.35 0.351 5.17 3.78 1.24 1.50 4.04 14.0 1.342 0.45 Millimeters Max. 3.70 0.41 0.411 5.27 3.84 1.30 1.60 4.34 15.0 1.542 0.55 Min. 0.141 0.014 0.014 0.203 0.148 0.049 0.059 0.158 0.549 0.053 0.018 Inches Max. 0.145 0.016 0.016 0.207 0.150 0.051 0.063 0.170 0.588 0.060 0.022 Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 6 www.anpec.com.tw APX9140 Customer Service Anpec Electronics Corp. Head Office : 5F, No. 2 Li-Hsin Road, SBIP, Hsin-Chu, Taiwan, R.O.C. Tel : 886-3-5642000 Fax : 886-3-5642050 Taipei Branch : 7F, No. 137, Lane 235, Pac Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan, R. O. C. Tel : 886-2-89191368 Fax : 886-2-89191369 Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 7 www.anpec.com.tw |
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