APX9140 Hall Effect Sensor IC Features 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. 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 Pin Description 4 pin TO-92M Package Applications Front View APX9140 1 : V DD • • • • Speed Measurement 2 : DO Revolution Counting 3 : DOB 4 : GND Brushless DC Motor 1 2 3 4 Brushless DC Fan Ordering Information 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 APX9140 Handling Code Temp. Range Package Code Magnetic Rank 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 Temperature Compensated Voltage Regulator VDD Hall Element Current Amplifier Latch Circuit Hysteresis Control Output Buffer 1 DO Output Buffer 2 DOB Sensitivity Control Gnd Absolute Maximum Ratings Symbol V DD V BD IDD IOUT 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.) V DD VSAT IDD ILeak tr a tf a ∆t a Notes a Rating 20 55 25 400 600 800 500 -20 to 85 -65 to 150 260 Supply Output Supply Output Electrical Characteristics Symbol TA = 25°C unless otherwise noted Parameter Supply Voltage Output Saturation Voltage Supply Current Output Leakage Current Output Rise Time Output Fall Time Switch Time Different Unit V V mA mA mW °C TA = 25°C, VDD=14V unless otherwise noted Test Condition Operating VDD=14V, IOUT=400mA, B>Bop VDD=20V, Output Open VOUT=20V, VDD=20V, B<Brp VDD =14V, RL=820Ω CL=20pF 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 µA µs µs µs : 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 = 25°C, VDD=14V unless otherwise noted Maximum Operate Point Bop +70 +100 +150 Maximum Release Point Brp -70 -100 -150 Unit Gauss 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 2 3 4 Signal Generator Scope RL2 RL1 VDD 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 Output Low Voltage Vs Supply Voltage 20 200 Output Low Voltage - mV Supply Current - mA 0 -10 -20 -30 -40 -50 -5 TA= 25°C TA= 25°C 10 0 5 10 15 20 175 150 125 100 0 25 30 5 Supply Voltage - V 15 20 Supply Voltage - V Output Low Voltage vs Ambient Temperature Supply Current vs Temperature 200 20 IOUT=300mA VDD=14V 19 Supply Current - mA Output Low Voltage- mV 10 175 150 125 14V 20V 18 17 16 3V 15 14 13 12 11 100 -20 0 20 40 60 80 10 -20 100 Temperature - °C Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 0 20 40 60 80 100 Temperature - °C 4 www.anpec.com.tw APX9140 Typical Characteristics (Cont.) Magnetic Switch Points vs Supply Voltage Magnetic Switch Points vs Temperature 200 IOUT=300mA 150 100 Magnetic Switch Points - G Magnetic Switch Points - G 200 TA= 25°C Bop 50 0 -50 Brp -100 -150 -200 0 5 10 15 100 Bop 50 0 -50 Brp -100 -150 -200 -20 20 IOUT=300mA VDD=14V 150 0 Supply Voltage - V 400 ICE (uA) Power Dissipation - mW 500 300 200 100 25 50 75 100 125 150 80 100 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 Ambient Temperature - °C Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 60 Output Breakdown Voltage 600 0 40 Temperature - °C Power Dissipation vs. Ambient Temperature 0 20 10 20 30 40 50 60 VCE (V) 5 www.anpec.com.tw APX9140 Package Information TO-92M4 Marking Surface S IC chip C E L L1 A b1 e1 J e 0.85mm 1.95mm D Sensitive Area (0.286 ×0.286mm2) 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 Millimeters Min. 3.60 0.35 0.351 5.17 3.78 1.24 1.50 4.04 14.0 1.342 0.45 Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2002 Inches 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 6 Max. 0.145 0.016 0.016 0.207 0.150 0.051 0.063 0.170 0.588 0.060 0.022 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