APX9142AEE-PB

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 = 25°C 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 = 25°C, VDD=12V unless otherwise noted Test Condition APX9142 Min. Typ. Max. 3 20 600 800 250 350 30 10 15 Bop IOUT=200mA, B>Bop VDD=20V, Output Open VOUT=20V, VDD=20V, B