NJM#37770D3 NJR, NJM#37770D3 Datasheet - Page 8
NJM#37770D3
Manufacturer Part Number
NJM#37770D3
Description
Motor / Motion / Ignition Controllers & Drivers 60V Hi-Perf Stpr
Manufacturer
NJR
Type
Stepper Motor Driverr
Datasheet
1.NJM37770D3.pdf
(10 pages)
Specifications of NJM#37770D3
Product
Stepper Motor Controllers / Drivers
Operating Supply Voltage
5 V
Supply Current
65 mA
Mounting Style
Through Hole
Package / Case
DIP-16
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Analog control
Sensor resistor
800 mA max motor current at V
External recirculation diodes
connected to the motor terminals and the cathodes to the V
maximum performance and reliability.
- 8 -
As the current levels can be continuously controlled by modulating the V
The R
The peak motor current, i
i
Recirculation diodes must be connected across each motor terminal and the supply voltage, V
Figure 8. Copper foil used as a heatsink
m
=(V
R
S
• 0.080) / R
resistor should be of a noninductive type power resistor. A 0.5 ohm resistor, tolerance ≤ 1%, is a good choice for
S
[A], at 100% level
m
, can be calculated by using the formula:
R
= 5V.
Figure 9. Principal operating sequence.
MM
voltage. Ultra-fast recovery diodes should be used for
R
input, limited microstepping can be achieved.
MM
. The anodes shall be
Ver.2006-04-11