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Product Detailed Parameters
- Description：IC MOTOR DRIVER
- Series：-
- Mfr：onsemi
- Package：Tube,Tube,Tube
- Motor Type - Stepper：Unipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：1, 1/2
- Applications：General Purpose
- Current - Output：2.2A
- Voltage - Supply：4.75V ~ 5.25V
- Voltage - Load：10V ~ 42V
- Operating Temperature：0°C ~ 105°C (TC)
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The STK672-600A is a hybrid integrated circuit designed for driving unipolar, two-phase stepper motors with PWM current control. It integrates control logic and power stages into a single package. The device features a parallel interface to simplify system control and includes half-bridge output configurations. Key electrical parameters include a maximum collector-emitter voltage of 45 V and a typical switching frequency of 47 kHz. It operates within a supply voltage range of 4.75 V to 5.25 V.
Feature Summary
- Integrates control logic and power stage functions for unipolar stepper motor applications
- Features a parallel interface to simplify system control architecture
- Utilizes half-bridge output configuration for efficient power delivery
Applications
- Unipolar stepper motor drive systems
- Two-phase stepper motor control circuits
- PWM current controlled motor drivers
Procurement Notes
Verify the specific suffix 'A' against official onsemi documentation to confirm exact pinout and thermal characteristics. Ensure the procurement channel provides valid manufacturer traceability. Cross-reference the datasheet revision date to confirm compatibility with current design requirements. Confirm that the SIP packaging dimensions match the target PCB layout constraints.
Selection Notes
Select this component for applications requiring integrated control and power stages in a unipolar stepper motor setup. The parallel interface reduces external logic complexity. Verify that the 45 V voltage rating and 1.7 A current capability meet the motor load requirements. Consider the SIP-15 package size for mechanical integration. Ensure the operating temperature range aligns with the environmental conditions of the final assembly.
Part Context
The STK672 series consists of hybrid ICs specifically engineered for stepper motor driving. These devices combine digital control circuits with high-power MOSFET outputs. The STK672-600A belongs to this family, offering a compact solution for motion control. It simplifies design by integrating necessary protection and drive functions into a single module, reducing board space and component count compared to discrete solutions.
Replacement Considerations
The STK672-630AN-E is a documented substitute within the same product family. Verify pin compatibility and electrical parameter alignment before substitution. The STK672-070-E is another related variant but may differ in current ratings and package specifications. Always consult the official datasheet for direct replacement validation.
