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| APX9142 High Sensitivity Hall Effect Sensor IC with Reverse Voltage Protection Features * * * * * * * * * On-chip Reverse Voltage Protection 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 Build-in Output Zener Diodes to Clamp the Peak Output Voltage High Sensitivilty Hall Effect Senser IC:50G, 65G, and 90G General Description The APX9142 is an integrated Hall Effect Sensor IC designed for electric commutation of DC brushless motor applications. The APX9142 still can operate at as low as 3 volts. The APX9142 is available in low cost TO -92M4 package with 3 different magnetic ranks. Pin Description APX9142 Front View 1 : V DD 2 : DO 3 : DOB 4 : GND Applications * * * * Brushless DC Fan Revolution Counting Brushless DC Motor Speed Measurement 1 2 3 4 Ordering and Marking Information APX9142 H a n d l in g C o d e Tem p. R ange P ackage C ode M a g n e t ic R a n k M a g n e t ic R a n k A T : | B o p , B rp | < 5 0 G a u s s A : | B o p , B rp | < 6 5 G a u s s B : | B o p , B rp | < 9 0 G a u s s Package C ode E : TO - 92M 4 Tem p. Range E : - 2 0 to 8 5 C H a n d l in g C o d e P B : P la s t ic B a g TB : Tape & Box TR : Tape & Reel A P X 9142 E : APX 9142 XXXXX X X X X X - D a te C o d e 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.4 - Apr., 2003 1 www.anpec.com.tw APX9142 Block Diagram Reverse Voltage Protection APX9142 Zener Diodes V DD Temperature Compensated Voltage Regulator Hall Element Current Amplifier Latch Circuit Hysteresis Control Sensitivity Control Output Buffer 1 Output Buffer 2 DO DOB Zener Diodes Gnd Absolute Maximum Ratings Symbol VDD IDD IOUT Parameter Supply Voltage Supply Current Output Current - TA = 25C unless otherwise noted Rating 20 15 400 600 800 500 -20 to 85 -65 to 150 260 Unit V mA mA mW C PD TA TSTG TSOL Continuous Hold Current Peak (Start Up) Maximum Power Dissipation Operating Ambient Temperature Storage Temperature Range Soldering Temperature (10 Sec.) Electrical Characteristics Symbol VDD VSAT V Clamp IDD ILeak a tr b tf b t b Parameter Supply Voltage Output Saturation Voltage Clamp Output Voltage Supply Current Output Leakage Current Output Rise Time Output Fall Time Switch Time Different TA = 25C, VDD=12V unless otherwise noted Test Condition APX9142 Min. Typ. Max. 3 20 600 800 250 350 30 10 15 <0.1 10 0.8 5 0.1 1 2.5 7 Unit V mV V mA A s s s Operating IOUT=400mA, B>Bop IOUT=200mA, B>Bop VDD=20V, Output Open VOUT=20V, VDD=20V, B a b : No leakage current spike when IC start-up : use Figure 1 2 www.anpec.com.tw Copyright ANPEC Electronics Corp. Rev. A.4 - Apr., 2003 APX9142 Magnetic Characteristics Rank AT A B TA = 25C, VDD=12V unless otherwise noted Maximum Release Point Brp -40 -55 -80 Unit Gauss Gauss Gauss Maximum Operate Point Bop +40 +55 +80 Test Information APX9142 1 Signal Generator 2 3 4 Scope R L2 V DD R L1 Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement Application Circuit APX9142 +B -B 1 2 3 4 L1 L2 V DD V DD C1 Figure 2 Typical DC brushless fan application circuit Copyright ANPEC Electronics Corp. Rev. A.4 - Apr., 2003 3 www.anpec.com.tw APX9142 Typical Characteristics Supply Current vs. Supply Voltage 10 Output Low Voltage vs Output Sink Current 0.7 0.6 Output Low Voltage (V) -30 -20 -10 0 10 20 30 Supply Current (mA) 5 0 0.5 0.4 0.3 0.2 0.1 0 50 100 150 200 250 300 350 400 -5 -10 -15 -20 Supply Voltage (V) Output Sink Current (mA) Switching Point vs. Supply Voltage 60 9.5 Supply Current vs. Temperature 9 IOUT=200mA 40 Vcc=20V Supply Current (mA) Switching Point (G) 8.5 8 7.5 7 6.5 6 5.5 20 0 -20 -40 5 -60 0 5 10 15 20 -20 0 20 40 60 80 100 120 Supply Voltage (V) Temperature (C) Copyright ANPEC Electronics Corp. Rev. A.4 - Apr., 2003 4 www.anpec.com.tw APX9142 Typical Characteristics (Cont.) Switching Point vs. Temperature 60 Vcc=12V 40 Switching Point (G) 20 0 -20 -40 -60 -20 0 20 40 60 80 100 120 Temperature (C) Copyright ANPEC Electronics Corp. Rev. A.4 - Apr., 2003 5 www.anpec.com.tw APX9142 Package Information TO-92M4 Marking Surface S E IC chip C L A L1 b1 e1 D J 1.35mm 1.75mm e Sensitive Area (0.286 x0.286mm2) Position of Hall Sensor reference to the top-left of package x= 1.35 0.1mm y= 1.75 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.4 - Apr., 2003 6 www.anpec.com.tw APX9142 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.4 - Apr., 2003 7 www.anpec.com.tw |
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