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| DC Brushless Motor Driver IC PT-301E PWM Speed Controller Overview 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 Applications Single coils DC brushless motor. Traditional double coil DC Brushless motor DC 1.5V~6.5V. FG(Divide 2) / Eight Pole fan Package: SOT-28 D O2 GND HE E 1 8 FG PWM VCC HIN EDYWW 2 3 4 7 6 5 SOT-28 GND O1 Features PWM speed control Motor lock protection Built-in protection circuit for transient output Frequency Generation output (Divide 2) Low power dissipation and high driving efficiency Ultra-low start voltage E:PT-301E D:Divide 2 A A2 Y: Year WW: Week SYMBOLS A1 b e Unit: mm DIMENSIONS IN MILLIMETERS MIN 0.70 0.00 1.00 0.25 0.10 2.80 1.60 2.60 0.10 NOM 0.80 1.10 0.30 0.15 2.90 1.80 2.80 0.65 MAX 0.90 0.15 1.30 0.40 0.20 3.00 2.00 3.00 0.60 Pin Description Name VCC Gnd O1 O2 Hin PWM FG Pin 6 2/3 4 1 5 7 8 Description DC power supply DC ground First output pin Second output pin Hall IC signal input PWM control input Tacho meter output(Frequency Generation) Pin Description P: Power, G: Ground, O: Output, I: Input C L Type P G O O I I O Input Devices Hall IC A2 A1 A b C D E HE Specifications e L Absolute Maximum Ratings (Ta = 25 C) Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Output Continuous current Output Peak current Symbol VDDmax Pd Ta Ts I0ut I0ut Max. Conditions Ratings 6.5 Units V mW O * 350 -30 ~ +125 -55 ~ +150 400 600 C C O mA mA T< 20us - * On 50mm x 50mm x 1.6mm glass epoxy board PROLIFIC TECHNOLOGY INC. 7F, No.48, Sec.3, Nan Kang Rd., Nan Kang, Taipei, 115, Taiwan Ver. 1.2c1 Date: Jun. 2002 |
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