UNISONIC TECHNOLOGIES CO., LTD SK1816 LINEAR INTEGRATED CIRCUIT BIPOLAR LATCH TYPE HALL EFFECT FOR HIGH-TEMPERATURE OPERATION DESCRIPTION The UTC SK1816 is a semiconductor integrated circuit utilizing the Hall effect. It designed to operate in the alternating magnetic field especially at low supply voltage and operation over extended temperature ranges to +125°С. This Hall IC is suitable for application to various kinds of sensors, contact-less switches, such as Speed sensor, Position sensor, Rotation sensor, Contact-less sensor, and Motor control. FEATURES * Wide Supply Voltage Range of 2.5V to 20V * Wide Temperature Operation Range of -30°С ~+125°С * Alternating Magnetic Field Operation * Built-in Protection Diode * TTL and MOS IC are Directly Drivable by the Output * The life is Semi Permanent because it Employs Contact-Less Parts * SIP-3 and SOT-23 Package are Available. ORDERING INFORMATION Ordering Number Lead Free Halogen Free SK1816L-AE3-R SK1816G-AE3-R SK1816L-G03-B SK1816G-G03-B SK1816L-G03-K SK1816G-G03-K Note: Pin Assignment: I: VCC O:VOUT G:GND Package SOT-23 SIP-3 SIP-3 Pin Assignment 1 2 3 O I G I G O I G O Packing Tape Reel Tape Box Bulk MARKING SOT-23 1816 L: Lead Free G: Halogen Free www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., Ltd 1 of 8 QW-R118-004,H SK1816 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 8 QW-R118-004,H SK1816 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA=25°С) PARAMETER Supply Voltage Supply Current Circuit Current RATINGS UNIT 2.5~20 V 10 mA 20 mA SIP-3 400 mW Power Dissipation PD SOT-23 200 mW Operating Temperature TOPR -30 ~ +125 °С Storage Temperature TSTG -40 ~ +150 °С Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. SYMBOL VCC ICC IO ELECTRICAL CHARACTERISTICS (TA=25°С, unless otherwise specified.) PARAMETER SYMBOL Low-Level Output Voltage VOL Output Leakage Current ILEAK Supply Current ICC Output Switching Time TR TF TEST CONDITIONS VCC = 16V, IOUT=12mA, B=30 mT VCC =3.6V, IOUT=12mA, B=30 mT VCC =16V, B=-30 mT VCC =16V VCC =3.6V VCC =16V, RL=10KΩ, CL=10pF VCC =16V, RL=10KΩ, CL=10pF MIN TYP MAX UNIT 0.2 0.7 V 0.3 0.7 V 1 10 μA 6 10 mA 5.5 10 mA 5 μS 1 μS MAGNETIC CHARACTERISTICS Operate Point BOP At TA=25°С 5 mT Release Point BRP At TA=25°С -5 mT Hysteresis BHYS At TA=25°С 5.5 10 mT Note: 1. BOP=operate point (output turns ON); BRP =release point (output turns OFF); BHYS =hysteresis(BOP – BRP). As used here, negative flux densities are defined as less than zero (algebraic convention). Typical values are at TA=25°С and VCC =12V. 2. 1mT=10 gauss UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 8 QW-R118-004,H SK1816 LINEAR INTEGRATED CIRCUIT PACKAGE INFORMATION Fig. 1 SENSOR LOCATIONS S 1 2 N Marked face 3 1. VCC 2. GND 3. Output 1 N 3 Marked face 2 1. VCC 2. Output 3. GND S SOT-23 SIP-3 VOUT H BH L BRP BOP 0 Magnetic flux density Fig. 2 APPLYING DIRECTION OF MAGNETIC FLUX UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 8 QW-R118-004,H SK1816 LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT FOR DC FAN 1 Coil 2 Coil 1 FOR DC FAN 2 TEST CIRCUIT VIN SK1816 10KΩ DO 10P UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 8 QW-R118-004,H SK1816 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS Current (mA) Current (mA) Magnetic Field (G) Magnetic Field (G) Temperature vs Sink Sink 28.8 29.5 28.6 29.0 28.4 Sink (mA) Sink (mA) 30.0 28.5 28.0 Sink 28.2 28.0 27.5 27.8 27.0 27.6 26.5 -20 Voltage vs Sink 29.0 30.5 27.4 0 10 25 55 75 95 115 125 Temperature (°С) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 5 12 15 Voltage (V) 20 27 6 of 8 QW-R118-004,H SK1816 Hysteresis IN Gaues TYPICAL CHARACTERISTICS(Cont.) Switch Point IN Gaues LINEAR INTEGRATED CIRCUIT Output Sink Current 30.5 5 29.5 Supply Current (mA) Sink Current (mA) 30.0 29.0 28.5 28.0 27.5 4 3 2 1 27.0 26.5 -20 Supply Current 6 0 10 25 55 75 95 115 125 Ambient Temperature (°С) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 0 -20 0 10 25 55 75 95 115 125 Ambient Temperature (°С) 7 of 8 QW-R118-004,H SK1816 LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 8 QW-R118-004,H