参数资料
型号: L6219DSA13TR
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 1 A, PDSO24
封装: SO-24
文件页数: 6/9页
文件大小: 145K
代理商: L6219DSA13TR
Obsolete
Product(s)
- Obsolete
Product(s)
VS,VSS,VRef
The circuit will stand any order of turn-on or turn-
off the supply voltages VS and VSS. Normal dV/dt
values are then assumed.
Preferably, VRef should be tracking VSS during
power-on and power-off if VS is established.
APPLICATION INFORMATIONS (Note 1)
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 im-
munity.
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 100nF
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 Fig. 3.
Note that Ct must be NPO type or similar else.
To sense the winding current, paralleled metal
film resistors are recommended (Rs)
Note 1 - Other information is available as ”Smart
Power Development System”:
Test board HWL6219DSA (Stepper driver)
Software SWL6219DSA (Floppy disc)
Figure 3: Typical Application Circuit. (Pin out referred to DIP24 package)
L6219DSA
6/8
相关PDF资料
PDF描述
L6219DS STEPPER MOTOR CONTROLLER, 1 A, PDSO24
L6219DSTR STEPPER MOTOR CONTROLLER, 1 A, PDSO24
L6234D BRUSHLESS DC MOTOR CONTROLLER, 2.5 A, PDSO20
L6243DS VOICE COIL MOTOR CONTROLLER, 1.2 A, PDSO24
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