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PBD35171N Datasheet

  • PBD35171N

  • Stepper Motor Drive Circuit

  • 139.43KB

  • 10頁

  • ERICSSON

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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
鈥?Complete driver and phase logic on
chip
鈥?2 x 350 mA continuous-output current
鈥?Half- and full-step mode generation
鈥?LS-TTL-compatible inputs
鈥?Bilevel drive mode for high step rates
鈥?Voltage-doubling drive possibilities
鈥?Half-step position-indication output
鈥?Minimal RFI
鈥?16-pin plastic DIP package or 16 pin
small outline wide body
V
CC
V
SS
PQR
RC
Mono
F-F
L
A
L
B
STEP
P
B2
INH
O
A
O
B
P
A2
P
A1
GND
16-pin plastic DIP
16-pin SO (wide body)
Figure 1. Block diagram.
1
P
B
HSM
P
B
P
B1
D
35
17
DIR
Phase
Logic
P
A
P
B
D
/1
35
17
/
1
PBD 3517/1

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