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UPD16873 Datasheet(PDF) 1 Page - NEC |
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UPD16873 Datasheet(HTML) 1 Page - NEC |
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1 / 16 page  The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices/types available in every country. Please check with local NEC representative for availability and additional information. MOS Integrated Circuit µµµµPD16873/A/B/C MONOLITHIC 3-ASPECT SPINDLE MOTOR DRIVER Document No. S13870EJ1V0DS00 (1st edition) Date Published February 2000 N CP(K) Printed in Japan DATA SHEET © 2000 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. • By the PWM-drive form and the IND pulse pattern, 4 kind, line-up PWM method Pattern of IND pulse (at 12 pole motor) µPD16873 normal 3 phase composition output (18 pulses/turn) µPD16873A normal 1 phase output (6 pulses/turn) µPD16873B synchronous 1 phase output (6 pulses/turn) µPD16873C synchronous 3 phase composition output (18 pulses/turn) • Built in STANDBY terminal and off the inner circuit at the time of the standby. • Built in START/STOP terminal. Operating short brake works, when ST/SP terminal is off state. • Supply voltage: 5 V drive • Low consumption current: IDD = 3 mA (MAX.) • Thermal shut down circuit (TSD) built in. • Over current protection circuit built in. (Setting by outside resistance) • Low voltage malfunction prevention circuit built in. • Reverse turn prevention circuit built in. • Hall bias switch built in. (synchronized STB signal.) • Loading into 30-pin plastic TSSOP (300 mil). ORDERING INFORMATION Part number Function Package µPD16873MC-6A4 normal-PWM/3 phase IND µPD16873AMC-6A4 normal-PWM/1 phase IND µPD16873BMC-6A4 synchronous-PWM/1 phase IND µPD16873CMC-6A4 synchronous-PWM/3 phase IND 30-pin plastic TSSOP (7.62 mm (300)) |
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