IRS21571DSTRPBF

Lighting, Ballast Controllers Overview

The IRS21571DSTRPBF is a self-oscillating half-bridge gate driver manufactured by Infineon Technologies, designed for high-voltage applications. It operates within a supply voltage range of 11.5 V to 15.6 V and supports a maximum blocking voltage of 600 V. The device features a SOIC-8 package with two drivers and outputs capable of sourcing 260 mA. Key timing parameters include a rise time of 120 ns and a fall time of 50 ns. It functions at frequencies between 43.7 kHz and 48.3 kHz, with an operating temperature range from -40°C to +125°C.

Lighting, Ballast Controllers Feature Summary

• Self-oscillating half-bridge architecture eliminates external oscillator requirements
• Integrated bootstrap diode for high-side drive capability
• CMOS logic interface for low power consumption
• Synchronous operation for efficient switching control

Lighting, Ballast Controllers Applications

• Cold cathode fluorescent lamp (CCFL) inverters
• High-voltage ballast controllers
• Lighting inverter circuits
• Half-bridge power conversion stages

Lighting, Ballast Controllers Procurement Notes

Verify the specific suffix 'DSTRPBF' against the official Infineon datasheet to confirm the tape-and-reel packaging configuration and moisture sensitivity level. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm that the 16-SOIC or SOIC-8 package designation aligns with your PCB footprint design constraints before finalizing procurement orders.

Lighting, Ballast Controllers Selection Notes

Select this component when a self-oscillating solution is required for high-voltage half-bridge topologies. It is suitable for designs needing integrated bootstrap functionality without external discrete diodes. Consider the 600 V blocking capability and 260 mA output current for driving medium-power MOSFETs or IGBTs. Evaluate the CMOS input compatibility with your control logic levels. Verify thermal performance within the -40°C to +125°C range for your specific application environment.

Lighting, Ballast Controllers Part Context

This part belongs to Infineon's IRS215x series of half-bridge drivers, optimized for lighting and ballast applications. It integrates high-side and low-side drivers with a self-oscillating feature set. The series is known for robust performance in high-voltage environments. The DSTRPBF suffix indicates surface-mount packaging in a reel format. This family targets cost-sensitive, high-volume manufacturing processes for consumer electronics and lighting systems.

Lighting, Ballast Controllers Replacement Considerations

Check for direct pin-compatible substitutes within the IRS215x family. Verify electrical parameters such as supply voltage range and output current capabilities. Ensure the replacement maintains the same package type and thermal characteristics. Consult Infineon's obsolescence notices for availability status.