L6219DS STMicroelectronics, L6219DS Datasheet - Page 12

IC STEPPER MOTOR DRVR 24-SOIC

L6219DS

Manufacturer Part Number
L6219DS
Description
IC STEPPER MOTOR DRVR 24-SOIC
Manufacturer
STMicroelectronics
Type
Driverr
Datasheet

Specifications of L6219DS

Applications
DC Motor Driver, Stepper Motor Driver
Number Of Outputs
2/1
Current - Output
±750mA
Voltage - Load
10 V ~ 46 V
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
-20°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Operating Current
15mA
Operating Temperature Classification
Commercial
Package Type
SO
Operating Supply Voltage (min)
10V
Operating Supply Voltage (max)
46V
Product
Stepper Motor Controllers / Drivers
Operating Supply Voltage
10 V to 46 V
Supply Current
0.01 A
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1427-5
497-1427-5
497-3647-5
L6219DS

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Application informations
3
12/16
Application informations
Some stepper motors are not designed for contin-uous operation at maximum current. As
the circuit drives a constant current through the motor, its temperature might increase
exceedingly both at low and high speed operation. Also, some stepper motors have such
high core losses that they are not suited for switch mode current regulation.
Unused inputs should be connected to proper voltage levels in order to get the highest noise
immunity. As the circuit operates with switch mode current regulation, interference
generation problems might arise in some applications. A good measure might then be to
decouple the circuit with a 100 nF capacitor, located near the package between power line
and ground. The ground lead between Rs, and circuit GND should be kept as short as
possible. A typical application circuit is shown in
similar else. To sense the winding current, paralleled metal film resistors are recommended
(R
Figure 5.
s
).
Typical application circuit
Figure
5. Note that C
t
must be NPO type or
L6219

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