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| APX9141 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 General Description The APX9141 is an integrated Hall Effect Sensor IC designed for electric commutation of DC brushless motor applications. The APX9141 still can operate at as low as 3 volts. The APX9141 is available in low cost TO -92M4 package with 3 different magnetic ranks. Pin Description Front View APX9141 Applications * * * * Brushless DC Fan Revolution Counting Brushless DC Motor Speed Measurement 1 1 : V DD 2 : DO 3 : DOB 4 : GND 2 34 Ordering Information A P X 91 41 Lead F ree C ode H a ndling C ode T em p. R ange P ac k a g e C o d e M agnetic R ank M agnetic R ank A T : | B o p , B rp | < 50 G au s s A : | B op , B rp | < 70 G auss B : | B op , B rp | < 100 G au s s D : | B o p , B rp | < 150 G a uss P ac k a g e C o d e E : T O - 92M 4 T em p. R ange E : -20 to 85 C H a ndling C ode P B : P la s tic B a g T B : T a p e & B ox T R : T ape & R eel Lead F ree C ode L : L e a d F re e D e vic e B la n k : O rig in a l D evic 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.7 - Apr., 2004 1 www.anpec.com.tw APX9141 Block Diagram R everse V oltage P rotection A PX 9 14 1 VDD T em perature C om pensated V oltage R egulator H all E lem ent C urrent A m plifier Latch C ircuit O utput B uffer 1 DO H ysteresis C ontrol O utput B uffer 2 DOB S ensitivity C ontrol G nd 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) Maxim um Power Dissipation Operating Ambient Temperature Storage Tem perature Range Soldering Temperature (10 Sec.) Electrical Characteristics Symbol VDD VSAT IDD ILeak a tr b tf b t b Parameter Supply Voltage Output Saturation Voltage Supply Current Output Leakage Current Output Rise Time Output Fall Time Switch Time Different TA = 25C, VDD=20V unless otherwise noted Test Condition APX9141 Min. Typ. Max. 3 20 250 500 20 25 <0.1 10 0.8 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 b : No leakage current spike when IC start-up : use Figure 1 2 www.anpec.com.tw Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 APX9141 Magnetic Characteristics Rank AT A B D TA = 25C, VDD=14V unless otherwise noted Maximum Release Point Brp -50 -70 -100 -150 Unit Maximum Operate Point Bop +50 +70 +100 +150 Gauss Note : For 5cm and below DC fan application, grade A/AT device is recommended to avoid magnetic sensitivity problem. For above 5cm DC fan application, grade B device is acceptable for most cases. Test Information APX9141 1 Signal Generator 2 3 4 Scope R L2 V DD R L1 C L1 C L2 Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement Application Circuit APX9141 +B -B 1 2 3 4 L1 L2 V DD V DD C1 C2 C3 Figure 2 Typical DC brushless fan application circuit Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 3 www.anpec.com.tw APX9141 Typical Characteristics Supply Current vs. Supply Voltage 25 20 Output Saturation Voltage vs. Output Current 250 Output Saturation Voltage (mV) 0 10 20 30 40 50 TA=25C Supply Current (mA) 200 150 100 50 0 0 100 200 300 400 500 15 10 5 0 -5 -10 -30 -20 -10 Supply Voltage (V) Output Current (mA) Output Low Voltage vs Ambient Temperature 300 25 Supply Current vs Temperature VCC=20V Supply Current (mA) 20 Output Low Voltage (mV) IOUT=400mA VDD=14V 275 250 225 200 175 150 -20 0 20 40 60 80 100 15 10 VCC=3V 5 VCC=14V 0 -20 0 20 40 60 80 100 Temperature (C) Temperature (C) Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 4 www.anpec.com.tw APX9141 Typical Characteristics (Cont.) Magnetic Switch Points vs Supply Voltage 100 Magnetic Switch Points vs Temperature 150 Magnetic Switch Points (G) 80 60 40 20 0 -20 -40 -60 -80 -100 0 5 10 Bop Magnetic Switch Points (G) IOUT=400mA TA=25C 100 50 0 IOUT=400mA VDD=14V Bop Brp Brp -50 -100 -150 -20 15 20 0 20 40 60 80 100 Supply Voltage (V) Temperature (C) Power Dissipation vs. Ambient Temperature 600 500 Output Breakdown Voltage vs. Current 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 Power Dissipation (mW) Output Current (uA) Output Breakdown Voltage 0 25 50 75 100 125 150 10 20 30 40 50 60 Ambient Temperature (C) Output Voltage (V) Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 5 www.anpec.com.tw APX9141 Package Information TO-92M4 M a r k in g S u r f a c e S E I C c h ip C L A L1 b1 e1 D J 0 .4 1 m m 0 .8 8 m m e S e n s it iv e A r e a ( 0 . 2 8 6 x0 . 2 8 6 m m 2 ) P o s it io n o f H a ll S e n s o r r e f e r e n c e t o t h e t o p - le f t o f p a c k a g e x = 0 . 4 1 0 . 1 m m y = 0 . 8 8 0 . 1 m m 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.7 - Apr., 2004 6 www.anpec.com.tw APX9141 Physical Specifications Terminal Material Lead Solderability Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb), 100%Sn Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3. Reflow Condition TP (IR/Convection or VPR Reflow) tp C ritical Zone T L to T P R am p-up T e m p e ra tu re TL T sm ax tL T sm in R am p-down ts Preheat 25 t 25 C to Peak Classificatin Reflow Profiles Profile Feature T im e Pb-Free Assembly Large Body Small Body 3C/second max. 150C 200C 60-180 seconds 3C/second max 217C 60-150 seconds 245 +0/-5C 250 +0/-5C 10-30 seconds 20-40 seconds Sn-Pb Eutectic Assembly Large Body Small Body Average ramp-up rate 3C/second max. (TL to TP) Preheat - Temperature Min (Tsmin) 100C - Temperature Mix (Tsmax) 150C - Time (min to max)(ts) 60-120 seconds Tsmax to TL - Ramp-up Rate Tsmax to TL - Temperature(TL) 183C - Time (tL) 60-150 seconds Peak Temperature(Tp) 225 +0/-5C 240 +0/-5C Time within 5C of actual Peak 10-30 seconds 10-30 seconds Temperature(tp) Ramp-down Rate 6C/second max. 6 minutes max. Time 25C to Peak Temperature Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 7 6C/second max. 8 minutes max. www.anpec.com.tw Note: All temperatures refer to topside of the package. Measured on the body surface. APX9141 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.7 - Apr., 2004 8 www.anpec.com.tw |
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