AT5609 Preliminary Product Information 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. ˙Built-in thermal shutdown circuit. The AT5609 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 1.0A (typical) according to the logic control. It also Built-in power saving circuit. Applications DVD and VCD player tray driver. Pin Configuration Ordering Information Part number Package Marking AT5609S SOP8 AT5609S AT5609S_GRE SOP8, Green AT5609S, date code with one bottom line Aimtron reserves the right without notice to change this circuitry and specifications. 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 AT5609 Preliminary Product Information Bi-directional Motor Driver Circuit Configuration Pin Descriptions Pin No. SO8 1 2 3 4 5 6 7 8 Pin name VO1 VM VCC VIN1 VIN2 VREF VO2 GND Function Motor output1 Driver Power supply Logic Power supply Logic input1 Logic input2 High level output voltage setting Motor output2 GND 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 AT5609 Preliminary Product Information 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 13.5 650*1 -20~+75 -55~+150 1000*2 unit V mW o C o C mA ﹡1 Reduce by 5.2 mW for each increase in Ta of 1oC over 25oC. ﹡2 Should not exceed Pd or ASO values. Recommended operating conditions (Ta = 25oC) Parameter Logic Power supply voltage Driver Power supply voltage High level output voltage setting Symbol Vcc VM VREF Limits 4.5~12 4.5~12 4.5~12 unit V V V Input truth table VIN1(4pin) H L H L VIN2(5pin) L H H L VO1(1pin) H L L OPEN VO2(7pin) L H L OPEN Mode Forward Reverse Brake Standby *:HIGH level input is 2.0V or more LOW level input is 0.8V or less. Electrical characteristics (unless otherwise noted, Ta = 25oC，VCC = 9V，VM = 9V，VREF = 9V) Parameter Standby supply current Supply current 1 Supply current 2 VREF pin sink current Symbol Min. IST ICC1 12 ICC2 29 IREF 6 Typ. 24 48 12 Max. 15 36 67 18 Unit μA mA mA mA V Output saturation voltage VCE - 1.0 1.5 Input high level voltage Input high level voltage Input high level current VIH VIL IIH 2.0 45 90 0.8 135 Conditions Standby mode Forward or reverse mode Brake mode Forward or reverse mode IO = 200mA IO=200mA Sum of output transistor high- and low-side voltage V V μA VIH=2.0V 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 AT5609 Preliminary Product Information 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 AT5609 Preliminary Product Information Bi-directional Motor Driver Package Outline SYMBOL A B C D E F H J K M L e1 α SOP-8 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