unisonic technologies co., ltd ba6220 linear integrated circuit www.unisonic.com.tw 1 of 3 copyright ? 2012 unisonic technologies co., ltd qw-r109-001,c general use electronic governor ? description the utc ba6220 is a monolithic integrated circuit, developed for speed control of general use dc motors. ? features * wide range of working power supply voltage range (v cc = 3.5v - 16v). * very large starting torque at the low voltage. * large permissible loss due to effective utilization of substrate radiation. * usable for various dc motors by means of changing constants of the external components. ? application * radio cassette tape recorders dip-8 sop-8 ? ordering information ordering number package packing lead free halogen free ba6220l-d08-t ba6220g-d08-t dip-8 tube ba6220l-s08-r BA6220G-S08-R sop-8 tape reel ba6220l-s08-t ba6220g-s08-t sop-8 tube
ba6220 linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r109-001,c ? pin configuration 1 gnd gnd gnd v r out gnd gnd v cc 2 3 4 5 6 7 8 ? block diagram 1 2 3 45 6 7 8 v ref starter out gnd gnd v cc v r gnd gnd gnd
ba6220 linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r109-001,c ? absolute maximum ratings (t a =2 5 , unless otherwise specified.) parameter symbol ratings unit supply voltage v cc 18 v power dissipation(note 1) dip-8 p d 1.4 w sop-8 0.8 w operating temperature t opr -25 ~ +75 storage temperature t stg -55 ~ +125 note 1. pcb (copper-surfaced) 9cm 2 , t 1.0mm. 2. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating conditions (t a =25 , unless otherwise specified.) parameter symbol test conditions min typ max unit operating supply voltage v cc loader: 8g-cm 3.5 16 v ? electrical characteristics (t a =25 , v cc =12v, unless otherwise specified.) parameter symbol test conditions min typ max unit output saturate voltage v sat v cc =4.2v, r m =4.4 ? (fig.3) 1.5 2.0 v reference voltage v ref i m =10ma (fig.1) 1.10 1.27 1.40 v current ratio k r m =33 - 44 ? (fig.2) 18 20 22 voltage feature of reference voltage v ref /v ref / v cc i m =100ma, v cc =6.3 - 16v (fig.1) 0.06 %/v voltage feature of current ratio k/k/ v cc i m =100ma, v cc =6.3 - 16v (fig.2) 0.4 %/v bias current i bias r m =180 ? (fig.4) 0.5 0.8 1.2 ma current feature of reference voltage v ref /v ref / i m i m =30 - 200ma (fig.1) -0.02 %/ma current feature of current ratio k/k/ i m i m =30 - 200ma (fig.2) -0.02 %/ma temperature feature of reference voltage v ref /v ref / t a i m =100ma, t a =-25 ~ 75 (fig.1) 0.01 %/ temperature feature of current ratio k/k/ t a i m =100ma, t a =-25 ~ 75 (fig.2) 0.01 %/
ba6220 linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r109-001,c ? application circuit ? test circuit 4 8 5 1(2) v v cc i m 390 r m v ref 4 8 5 1(2) v cc 390 r m1 a i m a r m2 4 8 5 1(2) v vcc 4.4 v ref v a(sat) 4 8 5 1(2) vcc 390 a i m a i 4 180 fig. 1 fig. 2 fig. 3 fig. 4
ba6220 linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r109-001,c utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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