PDN1200 Stepper Motor Controller IC
Our Stepper Motor Controller IC, the PDN1200, is available now for shipping. The PDN1200 Unipolar Stepper Motor IC is a 5 volt, 18 pin device designed to interface a logic-level input byte to a stepper motor. The PDN1200 is capable of automatically controlling a stepper motor in 'RUN' mode and of external pulsing in 'STEP' mode. Directional control is available, as well as both full and half-stepping for increased control resolution. The TTL/ CMOS level outputs sequence the stepper drive components, which consist of either four power transistors or a transistor array IC. Both setups are illustrated in our datasheet, and we offer component parts kits for these two arrangements as well.
PDN1204 Stepper Motor Controller IC
Our Bi-Polar (4 wire) Stepper Motor Controller IC, the PDN1204, is available immediately for shipping. The PDN1204 Bi-Polar Stepper Motor IC is a 5 volt, 18 pin device designed to control any bi-polar stepper motor. The PDN1204 is capable of automatically turning a stepper motor in 'RUN' mode and of external pulsing in 'STEP' mode. Directional control is available, as well as both full and half-stepping for increased control resolution. The TTL/ CMOS level outputs sequence the stepper drive components, which consist two H-Bridges - either from discrete transistors or using the L293 Dual H-Bridge IC. Complete hookup schematics are contained in the datasheet.
The PDN609 provides a new simple way of controlling Stepper Motors.
Stepper Motors have traditionally been favored because of their exact positioning characteristics, but the electronics required to drive them has always been complex. The PDN609 will allow you to use stepper motors in computer driven products without the complexities. A simple two IC solution with a minimum number of additional components provides a rich set of control functionality with few headaches. The PDN609 is a stepper logic controller. It will completely control a stepper motor through one 2400 baud line. The PDN609 does not need any external components except a driver circuit for the stepper motor coils. The PDN609 does not have the high current capacity to directly drive the stepper motor, therefore a driver circuit such as a L293 (Push-Pull four channel driver), UND2540 (Quad Darlington Power Driver) or a transistor circuit is needed.
PDN609 Features: Only one serial input line to control all aspects of the PDN609. Variable stepping speeds from .417 milliseconds to 27.3 seconds. Directional control. Has a single Stepping Mode. Has count function that will step the motor the exact number of steps needed. Has a home pin function that will automatically stop on home pin or step a certain number of steps before stopping. Two modes, automatically shut off stepper motor current when not stepping and constant stepper motor current. Automatic ramp up and ramp down functions. This allow for the gradual increase/decrease in stepping times to accommodate large loads or high speeds. Three different stepping sequences Wavedrive, Twophase, and Halfstep.
The PDN639 is an RC servo controller chip. The PDN639 will control five radio-controlled servos through one 2400 baud RS232 serial line, such as the one found on a personal computer.
Radio control servo motors are used in remote control model airplanes, cars, and boats. They are widely available and can be used in robotics, automation, animation, and many other tasks. The problem with using RC servo motors in the past was controlling them. With the PDN639 this is no longer a problem. It is possible now to control five RC servo motors with just one 2400 baud serial line. Each of the five RC servos is independently controlled.
- Control up to five servos
- Two modes - 256 positions in 0-90 deg or 0-180 deg
- Can set servo start position before powering servos
- Controlled through a 2400 baud serial line
- Eight pin chip
- No external components needed for 0-5V serial line and only 2 resistors and a diode for standard RS232 line
The PDN649 is an eight pin chip that can send commands from five of its pins. It is controlled via a 2400 baud serial line. The output on each pin can be V++, ground, or the input to another device (like an PDN639 or PDN609). When the PDN649 is used with 5 PDN639 it is able to control up to 25 RC servos through a single serial line. It can be made to control up to 5 stepper motors in a similar fashion with the PDN609, or some combination of servos and stepper motors. Several applications could benefit from more that five servos or 1 stepper motor. Examples include a six-legged robot, and animatronics. For instance, one of the pins could be used to drive an PDN639, another to control an PDN609 while the other three pins act to control DC motors, solenoids, or simply drive LEDs. Any combination of pin configurations is permitted.
PDN649 features: Control up to five PDN639 or PDN609 chips allowing the independent control of up to 25 servos or 5 stepper motors. Controlled through a 2400 baud serial line Eight pin count chip No external components needed for 0-5V serial line and only 2 resistors and a diode for standard RS232 line