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Ericsson - Stepper Motor Drive Circuit

Numéro de référence PBD35171N
Description Stepper Motor Drive Circuit
Fabricant Ericsson 
Logo Ericsson 





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PBD35171N fiche technique
February 1999
PBD 3517/1
Stepper Motor
Drive Circuit
Description
PBD 3517/1 is a bipolar, monolithic, integrated circuit, intended to drive a stepper motor
in a unipolar, bilevel way.
One PBD 3517/1 and a minimum of external components form a complete control
and drive unit for LS-TTL- or microprocessor-controlled stepper motor system for
currents up to 500mA. The driver is suited for applications requiring least-posssible RFI.
Motor performance can be increased by operating in a bilevel drive mode. This
means that a high voltage pulse is applied to the motor winding at the beginning of a
step, in order to give a rapid rise of current.
Key Features
• Complete driver and phase logic on
chip
• 2 x 350 mA continuous-output current
• Half- and full-step mode generation
• LS-TTL-compatible inputs
• Bilevel drive mode for high step rates
• Voltage-doubling drive possibilities
• Half-step position-indication output
• Minimal RFI
• 16-pin plastic DIP package or 16 pin
small outline wide body
PBD 3517/1
RC Mono
F-F
VCC
PQR
STEP
DIR
HSM
INH
OA
OB
Phase PA
Logic
PB
Figure 1. Block diagram.
VSS
LA
LB
PB2
PB1
PA2
PA1
16-pin plastic DIP
GND 16-pin SO (wide body)
1

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