AT5609 AIMTRON | Alldatasheet
Document overview
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Technical content
Features
˙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.
Description
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.
Preliminary Product Information B i - d i r e c t i o n a l M o t o r D r i v e r Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw Circuit Configuration Pin Descriptions Pin No. SO8 Pin name Function
1 VO1 Motor output1
2 VM Driver Power supply
3 VCC Logic Power supply
4 VIN1 Logic input1
5 VIN2 Logic input2
6 VREF High level output voltage setting
7 VO2 Motor output2
Preliminary Product Information B i - d i r e c t i o n a l M o t o r D r i v e r Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw Absolute maximum ratings (Ta = 25oC) Parameter Symbol Limits unit Power supply voltage V CC 13.5 V Power dissipation P d 650*1 mW Operating temperature T opr -20~+75 oC Storage temperature T stg -55~+150 oC Maximum output current I OUT 1000*2 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 Symbol Limits unit Logic Power supply voltage Vcc 4.5~12 V Driver Power supply voltage V M 4.5~12 V High level output voltage setting V REF 4.5~12 V Input truth table VIN1(4pin) VIN2(5pin) VO1(1pin) VO2(7pin) Mode HLHL F o r w a r d LHLH R e v e r s e HHLL B r a k e L L OPEN OPEN 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 Symbol Min. Typ. Max. Unit Conditions Standby supply current I ST 15 μA Standby mode Supply current 1 I CC1 12 24 36 mA Forward or reverse mode Supply current 2 I CC2 29 48 67 mA Brake mode VREF pin sink current I REF 6 12 18 mA Forward or reverse mode IO = 200mA Output saturation voltage V CE -1 . 0 1 . 5 V I O=200mA Sum of output transistor high- and low-side voltage Input high level voltage V IH 2.0 - - V Input high level voltage V IL -- 0 . 8 V Input high level current I IH 45 90 135 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.
Preliminary Product Information B i - d i r e c t i o n a l M o t o r D r i v e r Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw Application Circuit
Preliminary Product Information B i - d i r e c t i o n a l M o t o r D r i v e r Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw Package Outline SOP-8 INCHES MILLIMETERSSYMBOL MIN MAX MIN MAX NOTES A 0.188 0.197 4.80 5.00 - B 0.149 0.158 3.80 4.00 - C 0.228 0.244 5.80 6.20 - D 0.050 BSC 1.27 BSC - E 0.013 0.020 0.33 0.51 - F 0.004 0.010 0.10 0.25 - H 0.053 0.069 1.35 1.75 - J 0.011 0.019 0.28 0.48 K 0.007 0.010 0.19 0.25 - M 0.016 0.050 0.40 1.27 L 0.150 REF 3.81 REF - e1 45 0 450 - α 00 80 00 80 -