AT5608 Bi-directional Motor Driver Features Description ˙Built-in brake function. ˙Built-in diode to absorb surge currents. ˙Low standby circuit current . ˙ Wide range of operating supply voltage (4.5~13.5V). ˙Interfaces with the TTL logic. The AT5608 is a monolithic integrated circuit designed for driving bi-directional DC motor. It has two pins of logic input for controlling the forward/reverse and braking, which can supply an output current of up to 100mA (typical) according to the logic control. Applications DVD and VCD player tray driver. Pin Configuration 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 1 AT5608 Bi-directional Motor Driver Circuit Configuration Pin Descriptions Pin No. SO8 1 2 3 4 5 6 7 8 Pin name SIP9 6 7 5 8 2 1,4,9 5 3 VCC VO2 GND VO1 VIN2 N.C. GND VIN1 Function Power supply Motor output2 GND Motor output1 Logic input2 N.C. GND Logic input1 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 2 AT5608 Bi-directional Motor Driver Absolute maximum ratings (Ta = 25oC) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Maximum output current Symbol VCC Pd Topr Tstg IOUT Limits 13.5 450* -20~+60 -55~+125 500 unit V mW o C o C mA ﹡Reduce by 13.5 mW for each increase in Ta of 1oC over 25oC. Recommended operating conditions (Ta = 25oC) Parameter Power supply voltage Symbol Vcc Limits 4.5~12 unit V Input truth table VIN1(8pin) H L H L VIN2(5pin) L H H L VO1(4pin) H L L OPEN VO2(2pin) L H L OPEN *:HIGH level input is 2.0V or more LOW level input is 0.8V or less. Electrical characteristics (unless otherwise noted, Ta = 25oC and VCC = 9V) Parameter Standby supply current Output current Output saturation voltage Input high level voltage Input high level voltage Input high level current Symbol Min. IST IO VCE VIH VIL IIH 200 2.0 - Typ. - Max. 0.4 - 1.7 0.8 400 Unit Conditions mA When inputs VIN1 and VIN2 are both "L" level mA V IO=100mA V V μA VIH=4.5V A diode that absorbs at least 500 mA is built in to give protection against surge currents with a pulse width of 10 ms and a duty ratio of 10﹪or less. 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 3 AT5608 Bi-directional Motor Driver Application Circuit 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 4 AT5608 Bi-directional Motor Driver Package Outline SOP-8 SYMBOL A B C D E F H J K M L e1 α INCHES MIN MAX 0.188 0.197 0.149 0.158 0.228 0.244 0.050 BSC 0.013 0.020 0.004 0.010 0.053 0.069 0.011 0.019 0.007 0.010 0.016 0.050 0.150 REF 450 0 80 0 MILLIMETERS MIN MAX 4.80 5.00 3.80 4.00 5.80 6.20 1.27 BSC 0.33 0.51 0.10 0.25 1.35 1.75 0.28 0.48 0.19 0.25 0.40 1.27 3.81 REF 450 0 0 80 NOTES - 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 5 AT5608 Bi-directional Motor Driver Package Outline SIP-9 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 6 AT5608 Bi-directional Motor Driver Reflow Condition (IR/Convection or VPR Reflow) Reference JEDEC Standard J-STD-020A Classification Reflow Profiles Convection or IR/Convction Average Heating Rate(180°C to peak) Preheat Temperature(125±20°C) Temperature maintained above 180°C Time within 5°C of actual Peak Temperature Peak Temperature Range(Note 1) Cooling Rate Time 25°C to Peak Temperature VPR 5°C/second max. 120 seconds max. 10~150 seconds 10~20 seconds 10°C/second max. 219~225°C or 235~240°C 6°C /second max. 6 minutes max. 219~225°C or 235~240°C 10°C/second max. 60 seconds *1 The maximum peak temperatures for IR and VP reflow are depending on package dimensions. Package Reflow Conditions Pkg. Thickness ≥2.5mm Pkg. Thickness <2.5mm Pkg. Thickness <2.5mm and and and all bags Pkg. Volume ≥350 mm3 Pkg. Volume <350 mm3 Convection 219~225°C VPR 219~225°C IR/Convection 219~225°C Convection 235~240°C VPR 235~240°C IR/Convection 235~240°C 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 7