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UPD16878GS-BGG Datasheet

  • UPD16878GS-BGG

  • MONOLITHIC QUAD H BRIDGE DRIVER CIRCUIT

  • 32頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD16878
MONOLITHIC QUAD H BRIDGE DRIVER CIRCUIT
DESCRIPTION
The
碌
PD16878 is a monolithic quad H bridge driver IC that employs a CMOS control circuit and a MOS FET
output circuit. Because it uses MOS FETs in its output stage, this driver IC consumes less power than conventional
driver ICs that use bipolar transistors.
Because the
碌
PD16878 controls a motor by inputting serial data, its package has been shrunk and the number of
pins reduced. As a result, the performance of the application set can be improved and the size of the set has been
reduced.
The
碌
PD16878 employs a current-controlled 64-step micro step driving method that drives stepper motor with low
vibration.
The
碌
PD16878 is housed in a 38-pin plastic shrink SOP to contribute to the miniaturization of the application set.
The
碌
PD16878 can simultaneously drive two stepper motors and is ideal for the mechanisms of camcorders.
FEATURES
鈥?/div>
Four H bridge circuits employing power MOS FETs
鈥?/div>
Current-controlled 64-step micro step driving
鈥?/div>
Motor control by serial data (8 bytes x 8 bits) (original oscillation: 4-MHz input)
Data is input with the LSB first.
EVR reference setting voltage: 100 to 250 mV (@V
REF
= 250 mV) ... 4-bit data input (10-mV step)
Chopping frequency: 32 to 124 kHz ... 5-bit data input (4-kHz step)
Original oscillation division or internal oscillation selectable
Number of pulses in 1 V
D
: 0 to 126 pulses ... 6 bits + 2-bit data input (2 pulses/step)
Step cycle: 0.25 to 8191.75
碌
s ... 15-bit data input (0.25-
碌
s step)
鈥?/div>
3-V power supply. Minimum operating voltage: 2.7 V (MIN.)
鈥?/div>
Low current consumption I
DD
: 3.0 mA (MAX.), I
DD (RESET)
: 100
碌
A (MAX.), I
MO(RESET)
: 1.0
碌
A (MAX.)
鈥?/div>
38-pin plastic shrink SOP (7.62 mm (300))
ORDERING INFORMATION
Part number
Package
38-pin plastic shrink SOP (7.62 mm (300))
碌
PD16878GS-BGG
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.
Document No.
S15974EJ1V0DS00 (1st edition)
Date Published February 2002 N CP(K)
Printed in Japan
漏
2002

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