unisonic technologies co., ltd f1836 preliminary linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2012 unisonic technologies co., ltd qw-r109-029.a lo w -saturation, two-channel bidirectional motor driver ic for use in low-voltage applications ? description the utc f1836 is a bipolar stepper-motor driver ic for use in low-voltage applications. and, it is a low-saturation two-channel bidirectional motor driver ic which is ideal for use in cameras, printers, and other portable devices. ? features * operating under low volt age range (minimum: 2.5v) * low saturation voltage (only 0.4v for 0.4a) * parallel connection (only 0.5v for 0.8a) * built-in spark killer diodes * built-in thermal shutdown protection function * separate motor power supply and logic power supply * brake function * compact package ? ordering information ordering number package packing lead free halogen free f1836l-s14-r F1836G-S14-R sop-14 tape reel f1836l-s14-t f1836g-s14-t sop-14 tube (1) r: tape reel, t: tube (2) s14: sop-14 (3) halogen free, l: lead free f1836l-s14-r (1)packing type (2)package type (3)lead free
f1836 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r109-029.a ? pin configuration 1 2 3 4 5 6 7 14 13 12 11 10 9 8 gnd in2 out2 vs 1 out1 in1 v cc v cont in4 out4 v s 2 out3 in3 gnd ? pin description pin no. pin name description 1 v cc power supply 2 in1 the input of the channel 1 3 out1 the output of the channel 1 4 v s 1 the power supply of channel 1 5 out2 the output of the channel 1 6 in2 the input of the channel 1 7, 14 gnd ground the groun d potential of the ic 8 v cont the output of a reference voltage 9 in4 the input of the channel 2 10 out4 the output of the channel 2 11 v s 2 the power supply of channel 2 12 out3 the output of the channel 2 13 in3 the input of the channel 2 ? truth table in 1, 3 in 2, 4 out 1, 3 out 2, 4 mode h l h l forward l h l h reverse h h l l brake l l off off standby
f1836 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r109-029.a ? block diagram v cc v cont v s 2 v s 1 reference voltage in3 in4 in1 in2 out1 out2 out3 out4 ctrl 2 output 2 output 1 ctrl 1 thermal shutdown
f1836 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r109-029.a ? absolute maximum rating (t a =25c) parameter symbol ratings unit supply voltage v cc -0.3~+10.5 v v s -0.3~+10.5 v output voltage v out v s +v sf v input voltage v in -0.3~+10 v ground pin flow-out current per channel i gnd 1.0 a power dissipation with board (note 2) p d 800 mw operating temperature t opr -20~+75 c storage temperature t stg -40~+125 c notes: 1. 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. 2. mounted on 30301.5 mm 3 glass epoxy pcb ? allowable operating ranges (t a =25c) parameter symbol ratings unit supply voltage v cc 2.5~9.0 v v s 1.8~9.0 v input high-level voltage v ih 1.8~9.0 v input low-level voltage v il -0.3~+0.7 v ? electrical characteristics (t a =25c, v cc =v s =3v) parameter symbol test conditions min typ max unit supply current i cc 0 v in 1, 2, 3, 4=0v, i cc +i s 0.1 10 a i cc 1 v in 1=3v, v in 2, 3, 4=0v, i cc +i s 14 20 ma i cc 2 v in 1, 2=3v, v in 3, 4=0v, i cc +i s 22 35 ma output saturation voltage v out 1 i out =200ma 0.2 0.28 v v out 2 i out =400ma 0.4 0.6 v v out 3 i out =400ma, parallel connection 0.25 0.35 v v out 4 i out =800ma, parallel connection 0.5 0.7 v output sustaining voltage v o ( sus ) i out =400ma 9 v input current i in v in =2v, v cc =6v 80 a spark killer diode reverse current i s ( leak ) v cc 1, 2=9v 30 a spark killer diode forward voltage v sf i out =400ma 1.7 v
f1836 preliminary linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r109-029.a ? typical application circuit control thermal shutdown control note: there are no restrictions on the relationship of each voltage level in compar ison with the others (regarding which is higher or lower), as long as the voltages applied to v cc , v s 1, v s 2, and in1 through in4 are within the limits set by the absolute maximum ratings. (ex: v cc =3v, v s 1, 2=2v, in1 to in4=5v) 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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