p t - 3 0 1 e dc bru shle ss mo tor dri ver ic pwm speed contro ller p r o l i f i c t e c h n o l o g y i n c . 7f, n o. 48 , s ec .3 , n an k an g r d. , n an k an g, tai pe i, 11 5, tai w an ver . 1.2c1 applicati ons features pack age: sot -28 single coils d c brus hless m otor. pwm speed control motor lock protection built-in protection circuit for transient output frequency generation output low power dissipation and high driving efficiency ultra-low start voltage (divide 2) specific ations dc 1.5 v~6.5v . absolute maximu m r atings (t a = 25 c) paramete r symbol condition s ratings units maximum supply voltage v dd max 6.5 v allowable power dissipation operating temperatu re storage temperatu re output continuou s cur rent pd ta 350 a m w m c c o o ts i 0ut 400 -55 ~ +150 -30 ~ +125 on 50mm x 50m m x 1.6mm glass epoxy board * * traditional double coil dc brushless motor input devices hall ic l b d c h e a a 1 a 2 e sot - 28 e fg hin o1 o2 vcc gnd 7 5 8 1 e d y w w 6 2 3 4 gnd pwm pin description name pin description type v cc 6 dc power supply p gnd 2/3 dc ground g o1 4 first output pin o o2 1 second output pin o hin 5 hall ic signal input i pwm 7 pwm control input i fg 8 tacho meter output(frequency generation) o pin description p: power, g: ground, o: outpu t, i: input unit: mm dimensions in millimeters symbols min nom max a2 0.70 0.80 0.90 a1 0.00 - 0.15 a 1.00 1.10 1.30 b 0.25 0.30 0.40 c 0.10 0.15 0.20 d 2.80 2.90 3.00 e 1.60 1.80 2.00 he 2.60 2.80 3.00 e - 0.65 - l 0.10 - 0.60 y: y ear ww: week fg(divide 2) / eight pole fan a m 600 i 0ut e:PT-301E d:divide 2 output peak current t< 20us - max. the pt301e is a universal dc brushless motor driver ic. pt301e is design for varies motor applications. pt301e driver ic can use for signal coil dc and traditional double coil dc brushless motor. this driver ic accepts the hall ic input and drives the motor coil directly without any other describe transistor . driver ic can drive the dc brushless motor to start operation at the lowest voltage of 1.5v , but this ic can operate for a wide voltage range from 2.0v up to 6.5v . pt301e driver ic can support large current up to 400ma overview date: jun. 2002
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