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?2004fairchild semiconductor corporation www.fairchildsemi.com rev. 1.0.1 features capstan motor drive block ? 3-phase, linear bldc motor dr iver with 3 hall sensors. ? built-in fg amplifier. ? forward and reverse rotation function. ? built-in amplitude limiter. drum motor drive block ? 3-phase soft commutating sensor less drive method. ? built-in fg amplifier. ? built-in pg amplifier. loading motor drive block ? single phase h-bridge driving method. ? 4-mode selection function(forward, reverse, brake,standby). common block ? built-in tsd(thermal shut down) ? built-in 4-normal op-amp. description the fan8434 is a camcorder one-chip motor driver ic. it is composed of capstan motor driver , drum motor driver and loading motor driver. 64-lqfp-1010 fan8434 camcorder 3 in 1 motor driver typical applications ? camcorder ordering information notes: 1. x: tape & reel 2. nl: lead-free type device package operating temp. fan8434 64-lqfp-1010 ? 25 c ~ +75 c fan8434_nl note2 64-lqfp-1010 ? 25 c ~ +75 c fan8434x note1 64-lqfp-1010 ? 25 c ~ +75 c fan8434x_nl note2 64-lqfp-1010 ? 25 c ~ +75 c
fan8434 2 pin assignments 12 11 10 9 8 7 6 5 4 3 2 1 16 15 14 13 28 27 26 25 24 23 22 21 20 19 18 17 32 31 30 29 37 38 39 40 41 42 43 44 45 46 47 48 33 34 35 36 53 54 55 56 57 58 59 60 61 62 63 64 49 50 51 52 fan8434 d_fgin vref d_pgin d_pgc d_pgout gnd d_win d_vin d_uin d_com vcc1 fc2 filter fc1 osc d_fr opin3- opout3 fwd rev l_vm opin1- opin1+ opout1 opout2 opin2+ opin2- selcslp csc1 csc2 opin4- opout4 hu- hu+ c_wout c_rs c_vout c_stby c_uout d_wout d_rs d_vout d_uout d_vm l_out2 l_rs l_out1 l_ilim hv+ hv- hw+ hw- c_vm vh+ vh- vcc2 c_fr angle c_fgin+ c_fgin- c_fgout d_fgout d_stby d_fgin1
fan8434 3 pin definitions pine number pin name i/o pin function description 1 opin3- i op amp. 3 input - 2 opout3 o op amp. 3 output 3 fwd i loading motor forward input 4 rev i loading motor reverse input 5 l_vm - loading motor power supply voltage 6 opin1- i op amp. 1 input - 7 opin1+ i op amp. 1 input + 8 opout1 o op amp. 1 output 9 opout2 o op amp. 2 output 10 opin2+ i op amp. 2 input + 11 opin2- i op amp. 2 input - 12 selcslp i selection pin for oscillator ?s slant 13 csc1 - drum motor soft commutating oscillation 1 14 csc2 - drum motor soft commutating oscillation 2 15 opin4- i op amp. 4 input - 16 opout4 o op amp. 4 output 17 d_fr i drum motor forward / reverse selection pin 18 osc - drum motor start up oscillation 19 fc1 - frequency characteristic 20 filter - drum motor torque ripple compensation 21 fc2 - output midpoint control 22 vcc1 - power supply voltage 1 23 d_mcom i drum motor y-connection coil common input 24 d_uin i drum motor u-phase detect comparator input 25 d_vin i drum motor v-phase detect comparator input 26 d_win i drum motor w-phase detect comparator input 27 gnd - signal ground 28 d_pgout o drum motor pg comparator output 29 d_pgc i drum motor pg amp. output 30 d_pgin i drum motor pg input 31 vref - reference voltage 32 d_fgin i drum motor fg input
fan8434 4 pin definitions (continued) pine number pin name i/o pin function description 33 d_fgin1 i drum motor fg input 1 34 d_stby i drum motor standby 35 d_fgout o drum motor fg comparator output 36 c_fgout o capstan motor fg comparator output 37 c_fgin- i capstan motor fg input- 38 c_fgin+ i capstan motor fg input+ 39 angle - capstan motor output slant selection 40 c_fr i capstan motor forward / reverse selection 41 vcc2 - power supply voltage 2 42 vh- - hall bias supply voltage- 43 vh+ - hall bias supply voltage+ 44 c_vm - capstan motor power supply voltage 45 hw- i capstan motor hall input w- 46 hw+ i capstan motor hall input w+ 47 hv- i capstan motor hall input v- 48 hv+ i capstan motor hall input v+ 49 hu- i capstan motor hall input u- 50 hu+ i capstan motor hall input u+ 51 c_wout o capstan motor output w 52 c_rs - capstan motor power ground 53 c_vout o capstan motor output v 54 c_stby i capstan motor standby 55 c_uout o capstan motor output u 56 d_wout o drum motor output w 57 d_rs - drum motor output current sensing 58 d_vout o drum motor output v 59 d_uout o drum motor output u 60 d_vm - drum motor power supply voltage 61 l_out2 o loading motor output 2 62 l_rs - loading motor output current sensing 63 l_out1 o loading motor output 1 64 l_ilim - loading motor output current limiting
fan8434 5 internal block diagram gnd 27 timing control soft- commutating drive start-up control fc2 csc2 filter selcslp d_rs d_uout d_vout d_wout d_vm d_com 21 14 12 19 57 58 56 59 23 60 d_uin d_vin d_win 25 26 24 back-emf detect output driver mid point control 18 osc csc1 13 d_fr 17 forward/reverse 20 d_stby drum bias circuit vcc1 34 masking vcc1 fc1 c_stby capstan bias circuit 54 vcc1 43 42 hall power supply voltage vh+ vh- c_fgin+ c_fgin- c_fgout vcc1 38 37 36 opin1+ opin1- opout1 7 6 8 opin2+ opin2- opout2 10 11 9 1 2 opin3- opout3 vcc1/2 15 16 opin4- opout4 vcc1/2 tsd 32 33 28 31 reference voltage 30 29 35 vcc1 vcc1 d_fgout d_fgin1 d_fgin vref d_pgin d_pgc d_pgout c_rs matrix & logic & output driver c_uout c_vout c_wout hu+ hu- hv+ hv- hw+ hw- c_fr cvm 50 40 49 48 47 46 45 52 53 55 51 44 upper/lower amplitude limiter tsd angle 39 output driver mode selection tsd fwd l_vm l_rs l_out1 l_out2 3 64 63 61 62 5 4 rev l_ilim vcc1
fan8434 6 equivalent circuits description pin no. internal circuit hall input 45, 46, 47 48, 49, 50 angle 39 hall bias 42,43 capstan output c_uout c_vout c_wout c_rs 51, 53, 55 52 47 45 49 vcc1 48 46 50 39 vcc1 42 vcc1 43 vcc1 44 53 51 55 52 vcc2
fan8434 7 equivalent circuits (continued) description pin no. internal circuit fg input & fg comparator output 37,38 36 c_fr 40 c_stby 54 d_pgin d_pgc 29 30 d_pgout 28 38 vcc1 37 36 vcc1 40 vcc1 54 vcc1 vcc1 30 29 vcc1 vcc1 28
fan8434 8 equivalent circuits (continued) description pin no. internal circuit d_fgin d_fgin1 d_fgout 32 33 35 osc 18 fc1 19 filter 20 35 vcc1 33 vcc1 32 vcc1 18 19 vcc1 20 vcc1 56 58 59
fan8434 9 equivalent circuits (continued) description pin no. internal circuit fc2 21 d_uin d_vin d_win d_com 24,25,26 23 drum output d_wout d_vout d_uout d_rs 56,58,59, 57 selcslp 12 vcc1 21 23 vcc1 25 24 26 60 58 56 59 57 vcc1 12 vcc1
fan8434 10 equivalent circuits (continued) description pin no. internal circuit csc1 csc2 13,14 d_fr 17 d_stby 34 vref 31 vcc1 13 14 17 vcc1 34 vcc1 vcc1 31
fan8434 11 equivalent circuits (continued) description pin no. internal circuit loading input fwd rev 3,4 loading output l_out2 l_out1 l_rs 61 63 62 l_ilim 34 normal op-amps input 1,6,7,10,11,15 normal op-amps output 2,8,9,16 4 vcc1 3 5 61 63 62 64 vcc1 vcc1 1 15 7 vcc1 6 10 11 2 8 9 16 vcc1
fan8434 12 absolute maximum ratings (ta=25 c) notes: 1. 1) when mounted on glass epoxy pcb (76 114 1.6mm) 2) power dissipation is reduced at the rate of -4.8mw/ c for t a 25 c. 3) do not exceed pd and soa(safe operating area). power dissipation curve recommended operating conditions (ta=25 c) notes: 2. conditions: vcc1 vcc2 3. conditions: c_vm vcc2, d_vm vcc2, l_vm vcc2 parameter symbol value unit remark maximum ic supply voltage 1 vcc1 max 7.0 v vcc1 vcc2 maximum ic supply voltage 2 vcc2 max 8.5 v - maximum capstan motor supply voltage c_vm max 7.0 v c_vm vcc2 maximum drum motor supply voltage d_vm max 7.0 v d_vm vcc2 maximum loading motor supply voltage l_vm max 7.0 v l_vm vcc2 maximum capstan motor output current ico max 1.0 a vcc2=7v, c_vm=7v maximum drum motor output current ido max 1.0 a vcc2=7v, d_vm=7v maximum loading motor output current ilo max 0.6 a vcc2=7v, l_vm=7v power dissipation pd 0.6 note1 w individual junction temperature t j 150 c vcc2=7v, vm=7v operating temperature topr ? 25 ~ +75 c storage temperature tstg ? 55 ~ +150 c parameter symbol value units ic supply voltage1 vcc1 note2 2.7 ~ 6 v ic supply voltage2 vcc2 3.5 ~8.5 v capstan motor supply voltage c_vm note3 0 ~ 7.0 v drum motor supply voltage d_vm note3 0 ~ 7.0 v loading motor supply voltage l_vm note3 0 ~ 7.0 v 0.6 0 25 75 150 ambient temperature, ta [ c] soa power dissipation (w)
fan8434 13 electrical characteristics (vcc1=3v, vcc2=4.75v,c_vm=1. 5v, d_vm=l_vm=3v, drs=0.25 ? , ta=25 c, unless otherwise specified) (*note) guaranteed field ( no eds / final test ) parameter symbol conditions min. typ. max. unit vcc1 power supply current1 icc 1 iout=100ma,vc_stby=3v - 4 8 ma vcc2 power supply current2 icc 2 iout=100ma,vc_stby=3v - 6 12 ma vcc1 idle current icc1q vc_stby=0v - 2.1 4 ma vcc2 idle current icc2q vc_stby=0v - - 100 a vm idle current ivmq vc_stby=0v - 75 100 a capstan motor block upper side saturation voltage1 vcsath1 io=0.2a, vc_stby=3v - 0.22 0.29 v lower side saturation voltage1 vcsatl1 io=0.2a, vc_stby=3v - 0.20 0.25 v upper side saturation voltage2 vcsath2 io=0.5a, vc_stby=3v - 0.25 0.4 v lower side saturation voltage2 vcsatl2 io=0.5a, vc_stby=3v - 0.25 0.4 v output saturation voltage vcosat io=0.8a, sink+source - - 1.4 v overlap amount note o.l rl=39 ? *3,range=20k ? 73 80 87 % hall amplifier input offset voltage note vhoff c_rs=0.5 ?, cctl=5v -5 - 5 mv common mode input range vhcm rangle=20k ? 0.95 - 2.1 v voltage gain vhgm r angle=20k ? 23 26 29 db standby pin high level voltage vcsth - 2.5 - vcc1 v low level voltage vcstl - -0.2 - 0.7 v input current icstin vc_stby=3v - - 50 a leakage current icstlk vc_stby=0v -30 - - a fr pin high level voltage vcfrh - 2.5 - vcc1 v low level voltage vcfrl - -0.2 - 0.7 v input current icfrin vc_stby=3v - 20 30 a leakage current icfrlk vc_stby=0v -30 - - a hall bias hall power supply voltage vhall ih=5ma,vh(+)-vh(-) 0.55 0.65 0.75 v (-)pin voltage vh- ih=5ma 0.86 0.93 1.00 v fg comparator input offset voltage vfgoff - -3 - 3 mv input bias current ifg vfgin+=vfgin-=1.5v - - 500 na input bias current offset ? ifg vfgin+=vfgin-=1.5v -100 - 100 na common mode input range vfgcm - 1.2 - 2.5 v high level output voltage vfgoh internal pull-up 2.8 - - v low level output voltage vfgol internal pull-up - - 0.2 v voltage gain note vfggm - - 100 - db output current(sink) ifgos outpin="l" - - 100 a
fan8434 14 electrical characteristics (continued) (vcc1=3v, vcc2=4.75v,c_vm=1. 5v, d_vm=l_vm=3v, drs=0.25 ?, ta = 2 5 c, unless otherwise specified) (*note) guaranteed field ( no eds / final test ) parameter symbol conditions min. typ. max. unit drum motor block power supply current3 icc3 io=76ma,vd_stby=3v, vc_stby=0v - 0.75 2.5 ma output idle current4 icc4q vd_stby=0v,vc_stby=0v - - 100 a output idle current5 icc5q vd_stby=0v,vc_stby=0v - 100 300 a upper side saturation voltage1 vsath3 io=0.1a, rs=0.25 ? -0.30.5v lower side saturation voltage1 vsatl3 io=0.1a, rs=0.25 ? -0.30.5v upper side saturation voltage2 vsath4 io=0.4a, d_vm=3v,rs=0.25 ? -0.50.8v lower side saturation voltage2 vsatl4 io=0.4a, d_vm=3v,rs=0.25 ? -0.50.8v com pin common mode input range vic - 0.3 - vcc2- 0.9 v standby pin high level voltage vdsth - 2.0 - vcc1 v low level voltage vdstl - -0.2 - 0.7 v input current idstin vd_stby=3v - - 50 a leakage current idstlk vd_stby=0v -10 - - a fr pin high level voltage vdfrh - 2.0 - vcc1 v low level voltage vdfrl - -0.2 - 0.7 v input current idfrin vc_stby=3v - - 50 a leakage current idfrlk vc_stby=0v -10 - - a oscillator source current ratio note rsour icsc1sour/icsc2sour -15 - +15 % sink current ratio note rsink icsc1sink/icsc2sink -15 - +15 % csc1 source/sink current ratio note rcsc1 icsc1sour/icsc1sink -35 - +15 % csc2 source/sink current ratio note rcsc2 icsc2sour/icsc2sink -35 - +15 % startup frequency note freq cosc=0.1 f, osc freq.=target - 12.5 - hz phase delay-width note dw target - 30 - deg selcslp pin high level voltage vselh - 2.0 - vcc1 v low level voltage vsell - -0.2 - 0.7 v input current iselh vselcslp=3v - - 50 a leakage current isellk vselcslp=0v -10 - - a
fan8434 15 electrical characteristics (continued) (vcc1=3v, vcc2=4.75v,c_vm=1. 5v, d_vm=l_vm=3v, drs=0.25 ?, ta = 2 5 c, unless otherwise specified) (*note) guaranteed field ( no eds / final test ) parameter symbol conditions min. typ. max. unit drum motor block fg amp. & comparator input offset voltage note vdfgof - - 1 5mv input bias current note idfg - - - 250 na common mode input voltage range note vicom - 1.0 - 2.0 v open loop gain note dfggm f=1khz - 55 - db output on voltage vfgol io=10 a--0.4v output off voltage vfgoh io=10 a vcc1- 0.5 --v schmitt amplifier hysteresis width note vfghys - -50-mv reference voltage vref - 1.15 1.30 1.45 v pg amp. & comparator input offset voltage note vdpgof - - 1 5mv input bias current note idpg - - - 250 na common mode input voltage range note vicom - 1.0 - 2.0 v open loop gain note dpggm f=1khz - 55 - db output on voltage vpgol io=10 a--0.4v output off voltage vpgoh io=10 a vcc1- 0.5 --v schmitt amplifier hysteresis width note vpghys - -50-mv
fan8434 16 electrical characteristics (continued) (vcc1=3v, vcc2=4.75v,c_vm=1. 5v, d_vm=l_vm=3v, drs=0.25 ?, ta = 2 5 c, unless otherwise specified) (*note) guaranteed field ( no eds / final test ) parameter symbol conditions min. typ. max. unit loading motor block vcc1 power supply current1 icc6 vc_stby=vd_stby=0v, fwd=rev="l" -2.14.0ma vcc1 power supply current2 icc7 vc_stby=vd_stby=0v, fwd="h",rev="l" or fwd="l",rev="h" -1419ma vcc1 power supply current3 icc8 vc_stby=vd_stby=0v, fwd=rev="h" -3040ma vcc2 power supply current1 icc9 vc_stby=vd_stby=0v, fwd=rev="l",vcc1=open - - 100 a vcc2 power supply current2 icc10 vc_stby=vd_stby=0v, fwd=rev="l",vcc1=3.0v - - 100 a vcc2 power supply current3 icc11 vc_stby=vd_stby=0v, fwd="h",rev="l" or fwd="l",rev="h" -1525ma l_vm power supply current il_vm vc_stby=vd_stby=0v, fwd=rev="l" --20 a fwd/rev pin high level input voltage vinh vcc1=2.7 to 4.0v 2.0 - vcc1 v high level input current iinh vin=3.0v - 41 65 a low level input voltage vinl vcc1=2.7 to 4.0v -0.2 - 0.6 v low level input current iinl vin=0.6v - 5 10 a output output saturation voltage1 vlsat1 io=200ma,upper+lower - 0.2 0.3 v output saturation voltage2 vlsat2 io=400ma,upper+lower - 0.4 0.6 v normal opamp input offset voltage vioff - - 1 5mv input bias current ib - - - 1 a common mode input voltage range vicm - 1.0 - 2.0 v open loop gain gm1 - - 55 - db thermal shutdown tsd operating temperature note tsd - - 160 - c tsd hysteresis note htsd - - 15 - c
fan8434 17 application information 1. capstan motor driver truth table notes: 1. c_fr "h" is above 2.5v, c_fr "l" is below 0.4v. 2. hall input "h" is that input(+) is higher than inpu t(-) 0.02v over. hall input "l" is that input(+) is lower than input(-) 0.02v over 2. loading motor truth table source sink hall input c_fr uv w 1 v whhlh w vl 2 u whllh w ul 3 u vhlhh v ul 4 w vllhh v wl 5 w ulhhh u wl 6 v ulhlh u vl input output mode fwd rev lout1 lout2 l l off off standby hl h lforward l h l h reverse hh h hbrake
fan8434 18 test circuits 5 6 ka358 1 2 3 4 8 7 eu ev ew 12v f = 210hz 10k ? 10k ? 40k ? 10k ? 10k ? 40k ? 33nf 33nf a a a a a a a a a v a v a 1uf 1m v v v v v a a 33nf 0.1uf 0.1uf a 0.1uf v 100k a v v 50 1m v v v v v v v a a a v v v a a a a a c c 50k 50k 0.6v 0.6v 22nf 22nf 1m 1.5v 50 1.5v 50 1.5v 1m 1.5v 50 1.5v 50 1.5v 1m 1.5v 50 1.5v 8 l_vm l_vm 8 d_vm 8 d_vm 8 d_vm d_vm d_vm 8 8 8 1.5v vcc1 vcc1 28 27 26 25 24 23 22 21 20 19 18 17 32 31 30 29 12 11 10 9 8 7 6 5 4 3 2 1 16 15 14 13 37 38 39 40 41 42 43 44 45 46 47 48 33 34 35 36 53 54 55 56 57 58 59 60 61 62 63 64 49 50 51 52 fan8434 d_fgin vref d_pgin d_pgc d_pgout gnd d_win d_vin d_uin d_com vcc1 fc2 filter fc1 osc d_fr opout3 fwd rev l_vm opin1- opin1+ opout1 opout2 opin2+ opin2- selcslp csc1 csc2 opin4- hu- hu+ c_wout c_rs c_vout c_stby c_uout d_wout d_rs d_vout d_uout d_vm l_out2 l_rs l_out1 l_ilim hv+ hv- hw+ hw- c_vm vh+ vh- vcc2 c_fr angle c_fgin+ c_fgin- c_fgout d_fgout d_stby d_fgin1 opin3- opout4
fan8434 19 typical application circuits c_vm vcc1 c_stby d_vm vcc1 vcc1 d_pgin d_fgout vref d_stby d_fgout c_fgout c_fr vcc2 d_sel fwd rev l_vm d_fgin 12 11 10 9 8 7 6 5 4 3 2 1 16 15 14 13 28 27 26 25 24 23 22 21 20 19 18 17 32 31 30 29 37 38 39 40 41 42 43 44 45 46 47 48 33 34 35 36 53 54 55 56 57 58 59 60 61 62 63 64 49 50 51 52 fan8434 d_fgin vref d_pgin d_pgc d_pgout gnd d_win d_vin d_uin d_com vcc1 fc2 filter fc1 osc d_fr opout3 fwd rev l_vm opin1- opin1+ opout1 opout2 opin2+ opin2- selcslp csc1 csc2 opin4- hu- hu+ c_wout c_rs c_vout c_stby c_uout d_wout d_rs d_vout d_uout d_vm l_out2 l_rs l_out1 l_ilim hv+ hv- hw+ hw- c_vm vh+ vh- vcc2 c_fr angle c_fgin+ c_fgin- c_fgout d_fgout d_stby d_fgin1 opin3- opout4
fan8434 20 package dimension 64-lqfp-1010 unit: mm
fan8434 21
fan8434 2/4/04 0.0m 001 stock#dsxxxxxxxx ? 2004 fairchild semiconductor corporation life support policy fairchild?s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain li fe, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others.

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