UCN5804B stepper motor driver
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Description:
The UCN5804B is a BiMOS II unipolar stepper motor translator/driver designed to control four-phase stepper motors. It provides complete control and drive circuitry, including sequencing logic, DIRECTION and OUTPUT ENABLE control, and a power-on reset function. The UCN5804B offers continuous output current ratings of up to 1.25A per phase (1.5A startup) and can handle voltages up to 35V.
Key Features:
- Drives four-phase unipolar stepper motors
- Continuous output current up to 1.25A per phase (1.5A startup)
- Voltage rating up to 35V
- Three stepper motor drive formats: wave-drive, two-phase, and half-step
- Ground-clamp and flyback diodes for protection
- Thermal shutdown protection
- Power-on reset function
Technical Specifications:
- Package Type: PDIP-16
- Supply Voltage: 8V to 35V
- Output Current: Up to 1.25A per phase (continuous), 1.5A startup
- Operating Temperature Range: -20°C to +85°C
- Step angle: Dependent on motor and drive mode
Applications:
- Stepper motor control in various applications like robotics, automation, and 3D printers
- Positioning systems
- Printing and labeling equipment
Datasheet:
For detailed technical specifications, pin configurations, and application notes, refer to the UCN5804B datasheet.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment