oct. 2004 (rev. 1) - 1 - ip5954a 4-ch motor drive ic www.interpionsemi.com - 2-ch btl driver - 2-ch btl driver with current mode feedback - built-in tsd (thermal shut down) circuit. - built-in power save circuit - built-in input opamp for sled channel - operating supply voltage (4.5v~13.2v). ip5954a is a 4-ch motor driver for cdp/vcdp/dvdp systems. it is composed of 2-ch btl driver with one input opamp and 2-ch btl driver with current mode feedback. descriptions block diagram order information features 28ssoph-375 device order coder package packing ip5954a 28ssoph-375 tube ip5954a-tf t&r ip5954al tube, lead free ip5954al-tf t&r, lead free ip5954ab 28ssoph-375b tube ip5954ab-tf t&r ip5954abl tube, lead free IP5954ABL-TF t&r, lead free ip5954a 28ssoph-375b
oct. 2004 (rev. 1) - 2 - ip5954a 4-ch motor drive ic www.interpionsemi.com pin descriptions pin connections no symbol i/o description 1 vinfc i focus input 2 cfcerr1 - error amp filter connection 1 for focus actuator 3 cfcerr2 - error amp filter connection 2 for focus actuator 4 vinop+ i opamp in(+) for sled driver 5 vinop- i opamp in(-) for sled driver 6 vosl o opamp out for sled driver 7 vnffc i current feedback pin for focus actuator 8 svcc - signal supply voltage 9 pvcc1 - power supply voltage 1 10 pgnd - power ground 11 vosl- o sled driver output(-) 12 vosl+ o sled driver output(+) 13 vofc- o focus driver output(-) 14 vofc+ o focus driver output(+) no symbol i/o description 15 votk+ o tracking driver output(+) 16 votk- o tracking driver output(-) 17 vold+ o loading driver output(+) 18 vold- o loading driver output(-) 19 pgnd - power ground 20 vnftk i current feedback pin for tracking actuator 21 pvcc2 - power supply voltage 2 22 sgnd - signal ground 23 vinld i loading input 24 ctkerr2 - error amp filter connection 2 for tracking actuator 25 ctkerr1 - error amp filter connection 1 for tracking actuator 26 vintk i tracking input 27 bias i bias input 28 p/s o power save
oct. 2004 (rev. 1) - 3 - ip5954a 4-ch motor drive ic www.interpionsemi.com characteristics symbol value unit maximum supply voltage vccmax 15 v power dissipation pd 28ssoph-375 1.7 w 28ssoph-375b 2.3 w operating temperature topr -35 ~ +85 o c storage temperature -55 ~ 150 o c tstg note> 1. when mounted on 70mm x 70mm x 1.6mm pcb (phenolic resin material). 2. power dissipation reduces 13.6 mw/ o c for using above ta=25 o c 3. do not exceed pd and soa. power dissipation curve recommended operating conditions characteristics symbol value unit signal supply voltage vcc1 4.5 ~ 13.2 v power supply voltage 2 pvcc2 4.5 ~ 13.2 v power supply voltage 1 pvcc1 4.5 ~ 13.2 v absolute maximum ratings p o w e r d i s s i p a t i o n ( m w ) ambient temperature ( c ) 25 50 75 100 125 150 175 0 1 2 3 p o w e r d i s s i p a t i o n ( m w ) ambient temperature ( c ) 25 50 75 100 125 150 175 0 1 2 3 28ssoph-375 28ssoph-375b
oct. 2004 (rev. 1) - 4 - ip5954a 4-ch motor drive ic www.interpionsemi.com electrical characteristics characteristics symbol conditions min typ max unit quiescent circuit current icc no load - 14 - ma power save on current ips pin28=gnd - - 1 ma power save on voltage vmon pin28=variation - - 0.5 v power save off voltage vmoff pin28=variation 2.0 - - v reference mute on voltage vrmon pin27=variation - - 0.7 v reference mute off voltage vrmoff pin27=variation 1.3 - - v [ actuator drive part ] output offset current iooa pin1=pin9=pin22=vref -15 0 15 ma maximum output voltage voma - 3.6 4.0 - v transmission gain 45 gma vin=0.1vrms, f=1khz - 1.5 - a/v [ loading drive part ] output offset voltage vool vin=vref -80 - +80 mv maximum output voltage voml - 3.6 4.0 - v closed-loop voltage gain avfl vin=0.1vrms, f=1khz 13.5 15.5 17.5 db slew rate srl vout = 4.0vpp, square - 1.5 - v/usec ripple rejection ratio rrl vin=0.1vrms, f=120hz 50 60 - db (svcc=8.0v,pvcc1=pvcc2=5v, f = 1khz, rl=12ohm, rs=0.5ohm, ta = 25 o c unless otherwise specified.)
oct. 2004 (rev. 1) - 5 - ip5954a 4-ch motor drive ic www.interpionsemi.com electrical characteristics (continued) characteristics symbol conditions min typ max unit [ sled drive input opamp part ] common mode input range vicm vbias=4.0v -0.3 - 7.0 v input bias current ib - 30 300 na low level output voltage vol - 0.1 0.3 v output source current isrc - 0.2 0.5 - ma output sink current isnk - 1 - - ma [ sled drive part ] output offset voltage voos vin=vref -100 - +100 mv maximum output voltage voms svcc=8.0v,pvcc1=pvc c2=5v, rl=12ohm - 6.0 - v closed-loop voltage gain avfs vin=0.1vrms, f=1khz 18 20 22 db slew rate srs vout = 4.0vpp, square - 1.5 - v/usec ripple rejection ratio rrs vin=0.1vrms, f=120hz 50 60 - db (svcc=8.0v,pvcc1=pvcc2=5v, f = 1khz, rl=12ohm, rs=0.5ohm, ta = 25 o c unless otherwise specified.)
oct. 2004 (rev. 1) - 6 - ip5954a 4-ch motor drive ic www.interpionsemi.com typical application circuit
oct. 2004 (rev. 1) - 7 - ip5954a 4-ch motor drive ic www.interpionsemi.com internal circuit pin no pin name internal circuit 1,23, 26,27 vinfc, vinld, vintk, bias 2, 7, 20, 25 cfcerr1, vnffc, vnftk, ctkerr1 3, 24 cfcerr2, ctkerr2 27 1 26 23
oct. 2004 (rev. 1) - 8 - ip5954a 4-ch motor drive ic www.interpionsemi.com internal circuit (continued) pin no pin name internal circuit 4,5 vinop+, vinop- 28 ps 11 12 13 14 15 16 17 18 vosl- vosl+ vofc- vofc+ votk+ votk- vold+ vold-
oct. 2004 (rev. 1) - 9 - ip5954a 4-ch motor drive ic www.interpionsemi.com package dimension 28ssoph-375
oct. 2004 (rev. 1) - 10 - ip5954a 4-ch motor drive ic www.interpionsemi.com 28ssoph-375b package dimension (continued)
|
