APX9141BEE-PBL

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 = 25°C 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 = 25°C, VDD=20V unless otherwise noted Test Condition APX9141 Min. Typ. Max. 3 20 250 500 20 25 Bop VDD=20V, Output Open VOUT=20V, VDD=20V, B