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NJM3774FM2 Datasheet

  • NJM3774FM2

  • DUAL STEPPER MOTOR DRIVER

  • 165.62KB

  • 9頁

  • NJRC

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NJM3774
DUAL STEPPER MOTOR DRIVER
s
GENERAL DESCRIPTION
The NJM3774 is a switch-mode (chopper), constant-
current driver with two channels: one for each winding of a
two-phase stepper motor. The NJM3774 is equipped with a
TTL level compatible Disable input to simplify half-stepping
operation. The circuit is well suited for microstepping
applications together with the matching dual DAC
NJU39610. In full/half stepping applications, the NJM3517
can be used as a phase generator (translator) to derive the
necessary signals for the NJM3774. The NJM3774 con-
tains a clock oscillator, which is common for both driver
channels, a set of comparators and flip-flops implementing
the switching control, and two output H-bridges. Voltage
supply requirements are +5 V for logic and +10 to +45 V for
the motor. Maximum output current is 1000mA per channel.
s
PACKAGE OUTLINE
NJM3774D2
NJM3774FM2
s
FEATURES
鈥?Dual chopper driver
鈥?1000 mA continuous output current per channel
鈥?Specially matched to the Dual DAC NJU39610
鈥?Packages
DIP22 / PLCC28
s
BLOCK DIAGRAM
Phase
1
Dis
1
V
R1
C
1
E
1
NJM3774
V
CC
V
鈥?/div>
+
CC
R
S
Q
M
A1
Logic
M
B1
V
MM1
+
鈥?/div>
V
MM2
M
B2
Logic
M
A2
RC
+
鈥?/div>
S
R
Q
Phase
2
Dis
2
V
R2
C
2
GND
E
2
Figure 1. Block diagram

NJM3774FM2 產(chǎn)品屬性

  • NJM3774

  • 40

  • 集成電路 (IC)

  • PMIC - 電機(jī)和風(fēng)扇控制器,驅(qū)動器

  • -

  • 步進(jìn)電機(jī)驅(qū)動器,2 相

  • -

  • 1

  • 1A

  • 10 V ~ 40 V

  • 4.75 V ~ 5.25 V

  • -20°C ~ 125°C

  • 表面貼裝

  • 28-LCC(J 形引線)

  • 28-PLCC

  • 管件

  • NJM#3774FM2NJM#3774FM2-NDNJM3774FM2#NJM3774FM2#-ND

NJM3774FM2相關(guān)型號PDF文件下載

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