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UPD16873 - MONOLITHIC 3-ASPECT SPINDLE MOTOR DRIVER

General Description

µPD16873/A/B/C is 3 aspect spindle motor driver that composed by CMOS control circuit and MOS bridge output.

Key Features

  • Low On resistance. (The summation of the on resistance of the upper and lower MOSFET) RON = 0.6 Ω (TYP. ).
  • Low consumption power for 3 aspects all-wave PWM drive method.
  • Index pulse (FG pulse) output function built in.
  • By the PWM-drive form and the IND pulse pattern, 4 kind, line-up PWM method Pattern of IND pulse (at 12 pole motor) 3 phase composition output (18 pulses/turn) 1 phase output (6 pulses/turn) 1 phase output (6 pulses/turn) 3 phase composition o.

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Full PDF Text Transcription (Reference)

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DATA SHEET µPD16873/A/B/C MONOLITHIC 3-ASPECT SPINDLE MOTOR DRIVER MOS Integrated Circuit DESCRIPTION µPD16873/A/B/C is 3 aspect spindle motor driver that composed by CMOS control circuit and MOS bridge output. The consumption electric power can be substantially reduced to the screwdriver which used a conventional Bipolar transistor by the adoption of 3 aspect all-wave PWM methods and making an output paragraph MOSFET. FEATURES • Low On resistance. (The summation of the on resistance of the upper and lower MOSFET) RON = 0.6 Ω (TYP.) • Low consumption power for 3 aspects all-wave PWM drive method. • Index pulse (FG pulse) output function built in.