APX9141 Hall Effect Sensor IC with Reverse Voltage Protection Features 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. • 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 Pin Description Reliable and Rugged 4 pin TO-92M Package Front View APX9141 Applications 1 : V DD 2 : DO • • • • 3 : DOB 4 : GND Brushless DC Fan Revolution Counting 1 2 3 4 Brushless DC Motor Speed Measurement Ordering Information 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 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 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 T em perature C om pensated V oltage R egulator VDD A PX 9 14 1 H all E lem ent C urrent A m plifier Latch C ircuit H ysteresis C ontrol O utput B uffer 1 DO O utput B uffer 2 DOB S ensitivity C ontrol G nd 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) Maxim um Power Dissipation Operating Ambient Temperature Storage Tem perature Range Soldering Temperature (10 Sec.) VDD VSAT IDD ILeak a tr b tf b ∆t b Note 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=20V 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 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 µA µs µs µs a b : No leakage current spike when IC start-up : use Figure 1 Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 2 www.anpec.com.tw APX9141 Magnetic Characteristics Rank TA = 25°C, VDD=14V unless otherwise noted Maximum Operate Point Bop +50 +70 +100 +150 AT A B D Maximum Release Point Brp -50 -70 -100 -150 Unit 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 2 3 4 Signal Generator Scope R L2 R L1 V DD C L2 C L1 Figure 1 : Switching Circuit for Output Rise Time and Fall Time Measurement Application Circuit V DD APX9141 +B -B 1 V DD 2 3 4 L1 L2 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 Output Saturation Voltage vs. Output Current Supply Current vs. Supply Voltage 250 TA=25°C Output Saturation Voltage (mV) 25 Supply Current (mA) 20 15 10 5 0 -5 -10 -30 -20 -10 200 150 100 50 0 0 10 20 30 40 50 0 100 Supply Voltage (V) 300 400 500 Output Current (mA) Output Low Voltage vs Ambient Temperature Supply Current vs Temperature 25 300 IOUT=400mA VDD=14V VCC=20V 275 Supply Current (mA) Output Low Voltage (mV) 200 250 225 200 20 15 10 VCC=14V VCC=3V 5 175 0 -20 150 -20 0 20 40 60 80 100 Temperature (°C) Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 0 20 40 60 80 100 Temperature (°C) 4 www.anpec.com.tw APX9141 Typical Characteristics (Cont.) Magnetic Switch Points vs Supply Voltage Magnetic Switch Points vs Temperature 150 100 Magnetic Switch Points (G) 60 Magnetic Switch Points (G) IOUT=400mA TA=25°C 80 Bop 40 20 0 -20 Brp -40 -60 -80 -100 0 5 10 15 100 Bop 50 0 Brp -50 -100 -150 -20 20 0 20 40 60 80 100 Supply Voltage (V) Temperature (°C) Power Dissipation vs. Ambient Temperature Output Breakdown Voltage vs. Current 600 Output Current (uA) 500 Power Dissipation (mW) IOUT=400mA VDD=14V 400 300 200 100 0 0 25 50 75 100 125 150 Output Breakdown Voltage 0 Ambient Temperature (°C) Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 10 20 30 40 50 60 Output Voltage (V) 5 www.anpec.com.tw APX9141 Package Information TO-92M4 M a r k in g S u r f a c e S I C c h ip C E L L1 A b1 e1 J e 0 .4 1 m m 0 .8 8 m m D S e n s it iv e A r e a ( 0 . 2 8 6 ×0 . 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 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.7 - Apr., 2004 Inches Max. 3.70 0.41 0.411 5.27 3.84 1.30 1.60 4.34 15.0 1.542 0.55 6 Min. 0.141 0.014 0.014 0.203 0.148 0.049 0.059 0.158 0.549 0.053 0.018 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 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 (IR/Convection or VPR Reflow) tp TP C ritical Zone T L to T P T e m p e ra tu re R am p-up TL tL T sm ax T sm in R am p-down ts Preheat 25 t 25 °C to Peak T im e Classificatin Reflow Profiles Profile Feature Sn-Pb Eutectic Assembly Large Body Small Body Average ramp-up rate 3°C/second max. (TL to TP) Preheat - Temperature Min (Tsmin) 100°C - Temperature Mix (Tsmax) 150°C - Time (min to max)(ts) 60-120 seconds Tsmax to TL - Ramp-up Rate Tsmax to TL - Temperature(TL) 183°C - Time (tL) 60-150 seconds Peak Temperature(Tp) 225 +0/-5°C 240 +0/-5°C Time within 5°C of actual Peak 10-30 seconds 10-30 seconds Temperature(tp) Ramp-down Rate 6°C/second max. 6 minutes max. Time 25°C to Peak Temperature Pb-Free Assembly Large Body Small Body 3°C/second max. 150°C 200°C 60-180 seconds 3°C/second max 217°C 60-150 seconds 245 +0/-5°C 250 +0/-5°C 10-30 seconds 20-40 seconds 6°C/second max. 8 minutes max. Note: All temperatures refer to topside of the package. Measured on the body surface. Copyright ANPEC Electronics Corp. Rev. A.7 - Apr., 2004 7 www.anpec.com.tw 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