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AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 1 features B built-in 4 channels h-bridge drivers. B dc/dc converter control circuit on a chip. B with reset output inversion circuit. B battery charging circuit on chip. B built-in thermal shutdown protection. B qfp44 package. applications B disc-man B other portable compact disc media block diagram
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 2 pin descriptions pin no . pin name function 1 bsen battery voltage monitor 2 batty battery power supply input 3 reset reset detection output 4 dead dead-time setting 5 sw booster transistor drive 6 eo error amplifier output 7 ei error amplifier input 8 sprt short-circuit protection setting 9 ct triangular wave output 10 n.c. 11 op- operational amplifier negative input 12 vsys1 control circuit power supply input 13 opout operational amplifier output 14 op+ operational amplifier positive input 15 vsys2 pre-driver power supply input 16 vref reference power supply input 17 in3 ch3 control signal input 18 in4 ch4 control signal input 19 mute34 ch3/ch4 mute 20 in2 ch2 control signal input 21 mute2 ch2 mute 22 in1 ch1 control signal input 23 brake1 ch1 brake 24 out4r ch4 negative output 25 out4f ch4 positive output 26 out3r ch3 negative output 27 out3f ch3 positive output 28 powgnd power unit power ground 29 out2f ch2 positive output 30 out2r ch2 negative output 31 out1f ch1 positive output 32 out1r ch1 negative output 33 rchg charging current setting 34 amute reset inversion output 35 emp ?empty? detection output 36 hvcc h-bridge power supply input 37 psw pwm transistor drive 38 clk external clock synchronization input 39 start boost dc/dc converter starting 40 off boost dc/dc converter off 41 chgvcc charging circuit power supply input 42 sel ?empty? detection level switching 43 pregnd pre-unit power supply ground 44 pwmfil pwm phase compensation
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 3 pin assignments
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 4 absolute maximum ratings ( ta = 25 o c ) parameter symbol limits unit supply voltage v cc*1 13.5 v driver output current io 500 ma power dissipation pd 625 * mw operating temperature range topr -30~+85 o c storage temperature range tstg -55~+150 o c ~ derating is done 5mw/ o c for operation above ta=25 o c. recommended operating conditions ( ta = 25 o c ) parameter symbol min. typ. max. unit control circuit power supply voltage vsys1 2.7 3.2 5.5 v pre-driver power supply voltage vsys2 2.7 3.2 5.5 v h-bridge power supply voltage hvcc - pwm batt v power unit power supply voltage batt 1.5 2.4 8.0 v charging circuit power supply voltage chgvcc 3.0 4.5 8.0 v ambient temperature ta -10 25 70 o c electrical characteristics ( unless specified particular, ta = 25 o c, batt=2.4v, vsys1= vsys2=3.2v, vref=1.6v, chgvcc=0v, clk=88.2khz ) parameter symbol min. typ. max. unit conditions common section batt stand-by current i st 03 a batt=9v vsys1= vsys2=vref=0v batt supply current at no-load i bat 2.5 4.0 ma hvcc=0.45v, mute34=3.2v vsys1 supply current at no-load i sys1 4.7 6.4 ma hvcc=0.45 mute34=3.2v, ei=0v vsys2 supply current at no-load i sys2 4.1 5.5 ma hvcc=0.45v, mute34=3.2v chgvcc supply current at no-load i cgvcc 0.65 2.0 ma chgvcc=4.5v, rout=open h-bridge driver section g vc134 12 14 16 voltage gain (ch1 3 4) (ch2) g vc2 21.5 23.5 24.5 db db gain error by polarity gvc 2 02db r in134 91113 in pin (ch1 3 4) input resistance (ch2) r in2 67.59 k k in=1.7 and 1.8v maximum output voltage v out 1.9 2.1 v rl=8 ? hvcc=batt=4v in=0~3.2v lower transistor saturated voltage v satl 240 400 mv i o =-300ma in=0 and 3.2v upper transistor saturated voltage v satu 240 400 mv i o =300ma in=0 and 3.2v
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 5 input offset voltage v oi -8 0 8 mv v oo134 -50 0 50 output (ch1 3 4) offset voltage (ch2) v oo2 -130 0 130 mv mv vref=in=1.6v dead zone v db -10 0 10 mv brake1 on threshold voltage v bron 2.0 vin1=1.8v brake1 off threshold voltage v broff 0.8 v in1=1.8v mute2 on threshold voltage v m2on 2.0 vin2=1.8v mute2 off threshold voltage v m2off 0.8 v in2=1.8v mute34 on threshold voltage v m34on 0.8 v in3= in4=1.8v mute2 off threshold voltage v m34off 2.0 v in3= in4=1.8v vref on threshold voltage vref on 1.1 v in1=in2=in3=in4=1.8v vref off threshold voltage vref off 0.8 v in1= in2=in3=in4=1.8v brake1 brake current i brake1 4710ma brake1 pin the current difference between ?h? and ?l? pwm power supply driving section psw sink current i psw 10 13 17 ma in1=2.1v hvcc level shift voltage v shif 0.35 0.45 0.55 v in1=1.8v,hvcc out1f hvcc leak current i hlk 05 a hvcc=9v vsys1= vsys2=batt=0v pwm amplifier transfer gain g pwm 1/60 1/50 1/40 1/k in1=1.8v, hvcc=1.2~1.4v dc/dc converter section (error amplifier section) vsys1 pin threshold voltage v sith 3.05 3.20 3.35 v eo pin output voltage h v eoh 1.4 1.6 v ei=0.7v, i o = 100 a eo pin output voltage l v eol 0.3 v ei=1.3v, i o =100 a (short-circuit protection) sprt pin voltage(normal) v spr 0 0.1 v ei=1.3v sprt pin current 1 eo=h i spr1 61016 a ei=0.7v sprt pin current 2 eo=l i spr2 12 20 32 a ei=1.3v, off=0v sprt pin current 3 (over-voltage) i spr3 12 20 32 a ei=1.3v, batt=9.5v sprt pin impedance r spr 175 220 265 k sprt pin threshold voltage v spth 1.10 1.245 1.30 v ei=0.7v, ct=0v over-voltage v hvpr 8.0 8.4 9.0 v bsen pin voltage
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 6 protection detect (transistor driving section) sw pin output voltage 1h v sw1h 0.78 0.98 1.13 v batt=c t =1.5v, i o = 2ma, vsys1= vsys2=0v, at start sw pin output voltage 2h v sw2h 1.0 1.50 v c t =0v, i o = 10ma, ei=0.7v, sprt=0v sw pin output voltage 2l v sw2l 0.3 0.45 v c t =2v, i o =10ma, sw pin oscillating frequency 1 f sw1 65 80 95 khz c t =470pf, vsys1= vsys2=0v, at start sw pin oscillating frequency 2 f sw2 60 70 82 khz c t =470pf, clk=0v sw pin oscillating frequency 3 f sw3 88.2 khz c t =470pf sw pin minimum pulse width t swmin 0.01 0.6 sec c t =470pf, eo=0.5~0.7v sweep pulse duty at start d sw1 40 50 60 c t =470pf, vsys1= vsys2=0v max. pulse duty at self-running d sw2 70 80 90 ei=0.7v, c t =470pf, clk=0v max. pulse duty at clk synchronization d sw3 65 75 85 ei=0.7v, c t =470pf (dead time section) dead pin impedance r dead 52 65 78 k dead pin output voltage v dead 0.78 0.88 0.98 v (interface section) off pin threshold voltage v ofth vsys1 -2.0 v ei=1.3v off pin bias current i off 75 95 115 a off=0v start pin on threshold voltage v stath1 batt -1.0 v vsys1= vsys2=0v, c t =2v start pin off threshold voltage v stath2 batt -0.3 v vsys1= vsys2=0v, c t =2v start pin bias current i start 13 16 19 a start=0v clk pin threshold voltage h v clkthh 2.0 v clk pin threshold voltage l v clkthl 0.8 v clk pin bias current i clk 10 a clk=3.2v (starter circuit section) starter switching voltage v stmm 2.3 2.5 2.7 v vsys1= vsys2=0v~3.2v, start=0v starter switching hysteresis width v snhs 130 200 300 mv start=0v discharge release voltage v dis 1.63 1.83 2.03 v (empty detection section) empty detection voltage 1 v empt1 2.1 2.2 2.3 v vsel=0v empty detection voltage 2 v empt2 1.7 1.8 1.9 v isel=-2 a empty detection v emhs1 25 50 100 mv vsel=0v
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 7 hysteresis width 1 empty detection hysteresis width 2 v emhs2 25 50 100 mv isel=-2 a emp pin output voltage v emp 0.5 v i o =1ma, bsen=1v emp pin output leak current i empl 1.0 a bsen=2.4v bsen pin input resistance r bsen 17 23 27 k vsel=0v bsen pin leak current i bsnl 1.0 a vsys1=vsys2=0v, bsen=4.5v sel pin detection voltage v selth 1.5 vv selth =batt-sel, bsen=2v sel pin detection current i selt 2 a (reset circuit) vsys1 reset threshold voltage ratio h srt 85 90 95 ratio of vsys1 voltage and error-amp threshold voltage reset detection hysteresis width v rsths 25 50 100 mv reset pin output voltage v rst 0.5 v i o =1ma, vsys1=vsys2=2.8v reset pin pull up resistance r rst 72 90 108 k amute pin output voltage 1 v amt1 batt 0.4 batt v i o = 1ma, vsys1=vsys2=2.8v amute pin output voltage 2 v amt2 batt 0.4 batt v i o = 1ma, start=0v vsys1=vsys2=2.8v amute pin pull down resistance r amt 77 95 113 k (operational amplifier section) input bias current i bias 300 na op+=1.6v input offset voltage v oiop 5.5 05.5mv high level output voltage v ohop 2.8 vrl=open low level output voltage v olop 0.2 v rl=open output drive current (source) i sou 6.5 3.0 ma output short to gnd by 50 output drive current (sink) i sin 0.4 0.7 ma output short to vsys by 50 open loop voltage gain gvo 70 db vin= 75dbv,f=1khz slew rate sr 0.5 v/ s (charging circuit section) rchg pin bias voltage v rchg 0.71 0.81 0.91 v chgvcc=4.5v, rchg=1.8k rchg pin output resistance r rchg 0.75 0.95 1.20 k chgvcc=4.5v, rchg=0.5 and 0.6v sel pin leak current 1 i sellk 1.0 a chgvcc=4.5v,rchg=open sel pin leak current 2 i sellk 1.0 a chgvcc=0.6v,rchg=1.8k
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 8 application
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 9 application
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 10 function description 1. pwm switching regulated power supply drive this circuit detects the maximum output level of four channels drivers and then generates pwm signal accordingly. it uses a pnp transistor, a scho ttky diode and a capacitor as external components. 2. empty detector unit 3. reset circuit if the output voltage of the dc/dc converter is over than 90% of rating value, reset terminal varies from ?l? to ?h?, amute terminal changes from ?h? to ?l? and hysteresis is typically 50mv.
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 11 . 4. charging circuit the power supply for the charging unit is applied to the chgvcc terminal. it is independent of any other circuits. charging current is set by th e resistance between rchg terminal and gnd. a constant charging current flows through sel terminal. 5. mute function the brake pin is low during normal operation (high to set ch1 mute on and enters a brake mode). ? the mute2 pin is low during normal operation (high to set ch2 mute on). ? the mute34 pin is high during normal operation (low to set ch3,4 mute on). 6. vref drop mute normally when the voltage of vref terminal is above 1.0v, the mute circuit is disabled and the output circuit is active. 7. thermal shutdown if the chip temperature rises above 150 , then the thermal shutdown (tsd) circuit will be activated and the output current will be mute. 8. output voltage the voltage booster circuit of (vsys1) can be c onfigured with external component as follows.
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 12 9. driver gain driver input resistance is 10k ? for ch1, ch3, ch4 and input resistance of ch2 is 7.5k . driver gain can be set by using an external resistor and applying the following equations. 10. short-circuit protection function when the output of error amplifier is ?h?, if the voltage of sprt terminal has reached 1.265v upon charging the terminal, switching of sw terminal will be disabled. switching off time depends on the value of the capacitor at scp: 11. soft-start function and maximum duty maximum duty can be changed by attaching a resistor to pin 4. 12. power-off operation sprt terminal is charged by setting off terminal to ?l?.typically, the switching of sw terminal will be terminated when the voltage at the sprt terminal reaches 1.265v. ) 5 , 265 . 1 ( (sec) a isprt v vth isprt vth csprt t = = = ) 65 ( (sec) ? = = k r r cdead t
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 13 13. over-voltage protection operation when the voltage at bsen terminal has risen above 8.4v, the sprt terminal will be charged. but the switching of sw terminal will be terminated when the voltage at the sprt terminal has reached 1.265v. ) 20 , 265 . 1 ( (sec) a ioff v vth ioff vth csprt t = = = ) 20 , 265 . 1 ( (sec) a ihv v vth ihv vth csprt t = = =
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 14 package outlines (units:mm): qfp-44 millimeters symbol min. typ. max. a--1.70 a1 0.10 - 0.25 a2 1.35 1.40 1.45 b 0.30 0.37 0.45 c 0.09 - 0.20 e 13.00 13.20 13.40 e1 9.90 10.00 10.10 d 13.00 13.20 13.40 d1 9.90 10.00 10.10 e - 0.80 - l 1.05 1.20 1.35 l1 - 1.60 - 0 3.5 7 y 0.0 - 0.08
AT5801 4-channel motor driver for portable cd player 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: service@aimtron.com.tw 15 reflow condition (ir/convection or vpr reflow) reference jedec standard j-std-020a classification reflow profiles convection or ir/convction vpr average heating rate(180 c to peak) 5 c/second max. 10 c/second max. preheat temperature(125 20 c) 120 seconds max. temperature maintained above 180 c 10~150 seconds time within 5 c of actual peak temperature 10~20 seconds 60 seconds peak temperature range(note 1) 219~225 c or 235~240 c 219~225 c or 235~240 c cooling rate 6 c /second max. 10 c/second max. time 25 c to peak temperature 6 minutes max. *1 the maximum peak temperatures for ir and vp reflow are depending on package dimensions. package reflow conditions pkg. thickness 2.5mm and all bags pkg. thickness <2.5mm and pkg. volume 350 mm 3 pkg. thickness <2.5mm and pkg. volume <350 mm 3 convection 219~225 c convection 235~240 c vpr 219~225 c vpr 235~240 c ir/convection 219~225 c ir/convection 235~240 c

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