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Product Detailed Parameters
- Description：SWITCHING CONTROLLER
- Series：-
- Mfr：Infineon Technologies
- Package：Bulk
- Mode：-
- Frequency - Switching：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Current - Startup：-
- Grade：-
- Qualification：-
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Overview
The ICE2QS01 is a quasi-resonant PWM controller designed for off-line switch-mode power supplies. It integrates a high-voltage current source for startup and operation, eliminating the need for auxiliary windings. The device features digital control logic to minimize mistriggering during switching transitions. It supports variable frequency operation to reduce electromagnetic interference and acoustic noise. The component is housed in an 8-pin DSO package.
Feature Summary
- Integrated high-voltage current source for bias supply
- Digital control logic to prevent mistriggering
- Quasi-resonant switching for efficiency optimization
- Variable frequency operation to reduce EMI
Applications
- LCD TV power supplies
- CRT TV power supplies
- Notebook adapters
Procurement Notes
Verify the specific suffix and revision level against the official Infineon datasheet to ensure compatibility with design requirements. Confirm that the component status aligns with long-term availability needs, as lifecycle changes may impact production continuity. Cross-reference pinouts and electrical characteristics with the latest documentation before integration.
Selection Notes
Select this controller for applications requiring simplified transformer designs due to the integrated bias supply. Consider its quasi-resonant capabilities for reducing switching losses and acoustic noise in consumer electronics. Ensure the input voltage range and output power requirements match the controller's operational limits defined in the technical specifications.
Part Context
This component belongs to Infineon's family of quasi-resonant PWM controllers. It is engineered to provide high efficiency and low standby power consumption in offline power conversion systems. The technology focuses on minimizing component count and improving reliability through advanced digital control techniques.
Replacement Considerations
The ICE2QS03G is identified as a potential replacement from the same manufacturer. Verify functional equivalence and pin compatibility before substitution.
