NJM2671D2 NJR, NJM2671D2 Datasheet - Page 2

• Manufacturer Part Number: NJM2671D2
• Description: Motor / Motion / Ignition Controllers & Drivers 2-Phase Unipolar Step Mtr Cntrlr/Drvr
• Manufacturer: NJR
• Type: Stepper Motor Controller/Driverr

Specifications of NJM2671D2

• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 10 V to 55 V
• Supply Current: 45 mA to 60 mA
• Mounting Style: Through Hole
• Package / Case: DIP-16
• Operating Temperature: - 40 C to + 85 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

NJM2671
- 2 -
BLOCK DIAGRAM
PIN DESCRIPTION
RESET
STEP
HSM
INH
DIR
Pin
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Pin name
RESET
STEP
GND
HSM
RESET
PB2
PB1
PA1
PA2
DIR
INH
MO
Vcc
NC
NC
TSD
B
A
PHASE
LOGIC
Description
B2 phase output with a maximum 500 mA sinking open collector output
B1 phase output with a maximum 500 mA sinking open collector output
Vcc ground power supply terminal
A1 phase output with a maximum of 500 mA sinking open collector
A2 phase output with a maximum of 500 mA sinking open collector
Direction command input for determining motor turning direction
Motor stepping pulse input, phase logic operation triggered by negative
edge of STEP signal
0 current sequence monitor output for B phase in half step mode
0 current sequence monitor output for A phase in half step mode
Half/full step mode switching input
H level in full step mode and L level in half step mode
Phase output off input, all phase output is off at H level
Not connected
Not connected
Phase logic initial input
Phase output initial status detection output
Logic unit power supply voltage terminal
POR
VCC
Fig.2 Block Diagram
PA2
PA1
GND
MO
PB2
PB1
Ver.2004-09-25
A
B