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5-channel motor driver for dvd player am5665 preliminary datasheet 1 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited general description the am5665 is a 5-channel btl driver ic, in which two channels drive dc motor, two channels with cur- rent feedback drive the coils, such as the focus and the tracking actuator of dvd player, and the other one channel drives the bi-direc tion dc motor for tray. the am5665 is available in standard hsop-28 pack- age. features 2-channel dc motor btl driver 2-channel btl driver for coils with current feedback 1-channel forward/reverse control dc motor driver built-in thermal shutdown circuit built-in standby circuit operating voltage: 4.5 to 8.0v applications dvd player figure 1. package type of am5665 hsop-28
5-channel motor driver for dvd player am5665 preliminary datasheet 2 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited pin configuration figure 2. pin configuration of am5665 (top view) m package ( hsop-28 ) 2 9 10 11 12 13 14 8 6 1 3 4 5 7 28 27 26 25 24 23 22 21 20 19 18 17 15 16 stby v bias v in tk ctkerr1 ctkerr2 v in ld gnd vctl vnftk v cc2 vold- vold+ votk- votk+ v in fc cfcerr1 cfcerr2 vnffc v in sl fwd rev v cc1 votr- votr+ vosl- vosl+ vofc- vofc+ pgnd pgnd
5-channel motor driver for dvd player am5665 preliminary datasheet 3 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited pin description pin number pin name function 1 v in fc focus driver input 2 cfcerr1 capacitor connection 1 for th e error amp filter of focus channel 3 cfcerr2 capacitor connection 2 for th e error amp filter of focus channel 4 vnffc focus driver feedback pin 5 v in sl sled driver input 6 fwd tray driver forward input 7 rev tray driver reverse input 8 v cc1 power supply 1 9 votr- tray driver output (-) 10 votr+ tray driver output (+) 11 vosl- sled driver output (-) 12 vosl+ sled driver output (+) 13 vofc- focus driver output (-) 14 vofc+ focus driver output (+) 15 votk+ tracking driver output (+) 16 votk- tracking driver output (-) 17 vold+ loading driver output (+) 18 vold- loading driver output (-) 19 v cc2 power supply 2 20 vnftk tracking driver feedback pin 21 vctl tray driver speed control pin 22 gnd ground 23 v in ld loading driver input 24 ctkerr2 capacitor connection 2 for the error amp filter of tracking channel 25 ctkerr1 capacitor connection 1 for the error amp filter of tracking channel 26 v in tk tracking driver input 27 v bias vref input pin 28 stby stand-by control
5-channel motor driver for dvd player am5665 preliminary datasheet 4 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited functional block diagram figure 3. functional block diagram of am5665 7.5k 20k 10k 20k 25k sled driver actuator driver 20k 10k 7.5k 7.5k loading driver actuator driver 20k 10k 20k stby v bias v in tk ctkerr1 ctkerr2 v in ld gnd vctl vnftk v cc2 vold- vold+ votk- votk+ v in fc cfcerr1 cfcerr2 vnffc v in sl fwd rev v cc1 votr- votr+ vosl- vosl+ vofc- vofc+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 stand- by thermal shut down 10k 10k v cc1 v cc2 v cc1 7.5k 15k 20k 10k tray driver pre-drv 10k pgnd pgnd 10k 2 2 v cc2 v cc1
5-channel motor driver for dvd player am5665 preliminary datasheet 5 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited ordering information absolute maximum ratings (note 1) recommended operating conditions parameter symbol value unit supply voltage v cc1, 2 9.6 v esd (hbm) esd 2000 v power dissipation p d 1.7 w storage temperature range t stg -55 to +150 parameter symbol min max unit supply voltage v cc1 4.5 8.0 v v cc2 4.5 to v cc1 v operating temperature t a 070 note 1: stresses greater than those listed under "a bsolute maximum ratings" may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. exposure to "absolute max- imum ratings" for extended periods may affect device reliability. package temperature range part number marking id packing type tin lead lead free tin lead lead free hsop-28 0 to 70 o c am5665m28 AM5665M28-E1 am5665m28 AM5665M28-E1 tube bcd semiconductor's pb-free products, as designated with "e1" suffix in th e part number, are rohs compliant. circuit type package m28: hsop-28 e1: lead free blank: tin lead am5665 -
5-channel motor driver for dvd player am5665 preliminary datasheet 6 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited electrical characteristics parameter symbol conditions min typ max unit quiescent current i cc no load 18 27 ma standby current i st 2.3 4.0 ma standby on voltage v ston 00.5v standby off voltage v stoff 2.0 5.0 v actuator driver output offset current i oo1,2 -10 +10 ma maximum output voltage v o1,2max v in =v bias 1.5v 3.3 3.5 v transmission gain gm v in =v bias 0.2v 1.3 1.5 1.7 a/v sled motor driver output offset voltage v oosl -100 100 mv maximum output voltage v o3max v in =v bias 1.5v 3.3 3.5 v closed-loop voltage gain g vsl v in =v bias 0.2v 18.0 20.0 22.0 db loading motor driver output offset voltage v oold -50 50 mv maximum output voltage v o4max v in =v bias 5.5v 3.3 3.5 v closed-loop voltage gain g vld v in =v bias 0.2v 14 16 18 db gain error by polarity g vld 012db tray motor driver output offset voltage v ootr r l5 =45 ?, r vctl =0 ? -50 0 50 mv maximum output voltage v o5max1 r l5 =45 ?, r vctl =400 ? 1.3 1.5 1.7 v v o5max2 r l5 =45 ?, r vctl =0 ? 3.8 4.0 4.2 v input high level voltage v ih 2.0 5.0 v input low level voltage v il 00.8v (t a =25 o c , v cc1 =v cc2 =5v, v bias =1.65v, r l1 =r l2 =8 ?, r l3 =r l4 =12 ?, r l5 =45 ?, unless otherw ise specified.)
5-channel motor driver for dvd player am5665 preliminary datasheet 7 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited test circuit figure 4. test circuit of am5665 28 25 22 23 24 26 27 15 16 17 18 19 20 21 1 4 7 6 5 3 2 14 13 12 11 10 9 8 v o4 r l4 0.5 v o1 a r l1 0.5 v o2 a r l2 v o3 r l3 a 100 h 100 h -+ -+ + - -+ + - + - i cc 100 f 16v 100pf v in1 v st v bias v in2 100pf v in4 i o2 vold- vold+ votk- votk+ vosl- vosl+ vofc- vofc+ i o1 am5665 r vctl v cc1 100 f 16v v cc2 votr- votr+ v o5 r l5 v cc1 v in3 fwd rev
5-channel motor driver for dvd player am5665 preliminary datasheet 8 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited typical performance ch aracteristics (note 2) figure 5. driver i/o characteristics (focus) figure 7. driver i/o characteristics (track) -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =8 ? +100 h -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =8 ? +100 h figure 6. driver i/o characteristics (focus) figure 8. driver i/o characteristics (track) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =8 ? +100 h external r in =18k -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =8 ? +100 h external r in =20k
5-channel motor driver for dvd player am5665 preliminary datasheet 9 bcd semiconductor manufacturing limited apr. 2005 rev. 1. 1 figure 10. driver i/o characteristics (sled) figure 12. driver i/o characteristics (loading) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =12 ? external r in =10k -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =12 ? external r in =15k typical performance ch aracteristics (continued) figure 9. driver i/o characteristics (sled) -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =12 ? figure 11. driver i/o characteristics (loading) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 -4 -3 -2 -1 0 1 2 3 4 output voltage v o (v) input voltage ? v in (v) v cc1 =v cc2 =5v v bias =1.65v r l =12 ?
5-channel motor driver for dvd player am5665 preliminary datasheet 10 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited typical performance ch aracteristics (continued) figure 13. tray speed control characteristics 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 0 1 2 3 4 5 6 7 8 output voltage v o (v) input voltage v cc1 (v) r vctl =0 ? r vctl =200 ? r vctl =400 ? r vctl =600 ? note 2: for the above figures 6, 8, 10, 12, please refer to the following "typical application" section.
5-channel motor driver for dvd player am5665 preliminary datasheet 11 bcd semiconductor manufacturing limited apr. 2005 rev. 1. 1 typical application figure 14. typical application of am5665 in dvd player 21 15 16 17 18 19 20 22 23 24 25 26 27 28 8 14 13 12 11 10 9 7 6 5 4 3 2 1 stby 0 18k track in 330p 20k 150p 15k spindle in 0.1 0.1 47 5v 0 1 1 tk- tk+ sp+ sp- 330p 20k focus in 20k 150p 0 0.015 1 1 fc- fc+ sl+ sl- tray+ tray- 47 10k rev 10k 10k fwd 10k 10k sled in 5v am5665 0.1 v bias
5-channel motor driver for dvd player am5665 preliminary datasheet 12 apr. 2005 rev. 1. 1 bcd semiconductor manufacturing limited application information input output fwd rev votr+ votr- status high high low low break high low high low forward low high low high reverse low low open open standby figure 15. tray motor driver control illustration tray motor speed control the amplitude of output voltage depends on vctl (pin 21). connect a resistor between vctl (pin 21) and v cc1, and you can obtain different output voltages for tray driver by changing the value of r vctl . (see figure 4.) vctl r vctl votr+ votr- logic switching fwd rev level shift v cc1 v cc1 + - + - pre-amp output status control table tray motor driver this application information is only for the tray motor driver section.
5-channel motor driver for dvd player am5665 preliminary datasheet 13 bcd semiconductor manufacturing limited apr. 2005 rev. 1. 1 mechanical dimensions unit: mm(inch) hsop-28 17.890(0.704) 0.204(0.008) 0 o ~ 8 o 18.190(0.716) 0.360(0.014) 0.400(0.016) 1.270(0.050) 10.000(0.394) 10.650(0.419) 7.400(0.291) 7.600(0.300) 0.230(0.009) 0.470(0.019) 0.100(0.004) 0.300(0.012) 2.280(0.090) 2.630(0.104) 2.180(0.086) 2.330(0.092) 0.800(0.031) typ 5.050(0.199) 5.250(0.207)
8f, b zone, 900 yi shan road, shanghai 200233, prc tel: +86-21-6495 9539, fax: +86-21- 6485 9673 bcd semiconductor (tai wan) company limited room 2210, 22nd fl, 333, keelung road, sec. 1, taipei (110), taiwan tel: +886-2-2758 6828, fax: +886-2-2758 689 2 important notice bcd semiconductor manufacturing limited reserves the right to make changes without further notice to any pro- ducts or specifications herein. bcd se miconductor manufacturing limited does not assume any responsibility for use of any its products for any particular purpose, nor does bcd semiconductor manufacturing limited assume any liability arising out of the application or use of any its products or circuits. bcd semiconductor manufacturing limi- ted does not convey any license under its patent rights or other rights nor the rights of others. http://www.bcdsemi.com bcd semiconductor corporation 3170 de la cruz blvd, suite # 105 santa clara, ca 95054-2411, u.s.a tel: +1-408-988 6388, fax: +1-408-988 63 86 shanghai sim-bcd semiconduc tor manufacturing co., ltd. 800 yi shan road, shanghai 200233, prc tel: +86-21-6485-1491, fax : +86-21-5450-0008 advanced analog circuits (shanghai) corporation

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