SK6406G-S08-R

UNISONIC TECHNOLOGIES CO., LTD SK6406/G 2-PHASE DC-FAN MOTOR PRE-DRIVER IC LINEAR INTEGRATED CIRCUIT DESCRIPTION SK6406 is a 2-phase pre-driver IC for dc-fan motors, providing the functions of motor lock protection, auto-restart, and rotation detection signal output. SK6406 is with RD option and SK6406G with FG. SOP-8 FEATURES * Wide supply voltage range of 2.5V to 30V * Lock protection * Auto-restart when the motor lock is undone * RD(latch-type lockup detection) output (SK6406) * FG(frequency generator) output (SK6406G) *Pb-free plating product number: SK6406L/SK6406GL APPLICATION * Dual Coil DC FAN Motor ORDERING INFORMATION Order Number Normal Lead Free Plating SK6406-S08-R SK6406L-S08-R SK6406-S08-T SK6406L-S08-T SK6406G-S08-R SK6406GL-S08-R SK6406G-S08-T SK6406GL-S08-T Package SOP-8 SOP-8 SOP-8 SOP-8 Packing Tape Reel Tube Tape Reel Tube www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 6 QW-R109-026,A SK6406/G PIN CONFIGURATION LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R109-026,A SK6406/G BLOCK DIAGRAM Vcc REGULATOR LINEAR INTEGRATED CIRCUIT OUT1 OUT2 CONTROL BLOCK Hysteresis amplifier H+ H- FG (SK6406G) CT GND LOCK PROTECTION AUTORESTART BLOCK LOCK DET RD (SK6406) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 6 QW-R109-026,A SK6406/G ABSOLUTE MAXIMUM RATINGS (Ta = 25℃) PARAMETER LINEAR INTEGRATED CIRCUIT SYMBOL RATINGS UNIT Supply Voltage VCC 2.5V ~ 30V V Hall Input Common Mode Voltage Range VHIC 1.0 ~ Vcc-0.5 V Circuit Current IOUT 80 mA Power Dissipation PD 700 mW Operating Ambient Temperature TOPR -20 ~ +85 ℃ Storage Temperature TSTG -55 ~ +150 ℃ 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. ELECTRICAL CHARACTERISTICS (Ta=25℃, VCC=12V) PARAMETER Current Drain Lockup Detection Capacitor Charge Current Capacitor Discharge Current Charge/Discharge Ratio CT Charge Voltage CT Discharge Voltage Output High Level Voltage Hall Input Sensitivity RD Output Pin Low Voltage (SK6406) RD Current Capacity (SK6406) FG Low Voltage (SK6406G) FG Driver Capacity (SK6406G) FG Leakage Current (SK6406G) SYMBOL ICC ICT1 ICT2 RCT VCT1 VCT2 VOL VHin VRDL IRD VFGL IFG IFGL TEST CONDITIONS CT=L In drive mode CT=H VCT= 1.1V VCT= 1.1V RCD=ICT1/ICT2 MIN TYP 3.2 3.2 3.45 0.8 4.5 2.6 0.6 10.5 MAX UNIT 8.7 mA 5 mA 5.25 uA 1.45 uA 8 3 V 0.8 V V 15 0.1 20 0.1 20 50 0.3 0.3 mV V mA V mA uA IOUT= 10 mA Zero peak value (including offset and hysteresis) IRD=5mA VRDL=2V IFG=5mA VFGL=2V VFGL=15V 2 0.35 3 2.2 0.4 10 3 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 6 QW-R109-026,A SK6406/G TYPICAL APPLICATION CIRCUIT(SK6406) LINEAR INTEGRATED CIRCUIT *Same value of hall bias resistors is selected for R1 and R2 LOCKUP PROTECTION / AUTOMATIC RECOVERY UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 6 QW-R109-026,A SK6406/G 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 6 of 6 QW-R109-026,A