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UPD16873C

NEC
Part Number UPD16873C
Manufacturer NEC
Description MONOLITHIC 3-ASPECT SPINDLE MOTOR DRIVER
Published Apr 17, 2005
Detailed Description DATA SHEET µPD16873/A/B/C MONOLITHIC 3-ASPECT SPINDLE MOTOR DRIVER MOS Integrated Circuit DESCRIPTION µPD16873/A/B/C ...
Datasheet PDF File UPD16873C PDF File

UPD16873C
UPD16873C

Overview
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.
• 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 output (18 pulses/turn) µPD16873 µPD16873A µPD16873B µPD16873C normal normal synchronous synchronous • 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 normal-PWM/3 phase IND normal-PWM/1 phase IND 30-pin plastic TSSOP (7.
62 mm (300)) synchronous-PWM/1 phase IND synchronous-PWM/3 phase IND Package µPD16873MC-6A4 µPD16873AMC-6A4 µPD16873BMC-6A4 µPD16873CMC-6A4 The information in this document is subject to change without notice.
Before using this document, please confirm that this is the latest version.
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