LX1691BIPW-TR

Lighting, Ballast Controllers Overview

The LX1691BIPW-TR is an enhanced multi-mode cold cathode fluorescent lamp (CCFL) controller manufactured by Microsemi. It operates within a wide input voltage range of 2.8 V to 5.5 V, allowing direct connection to single lithium-ion batteries. The device utilizes pulse width modulation for control and features a 16-pin TSSOP package. It includes a full-wave rectifier and a stable oscillator to minimize external components. The maximum operating temperature is rated at 85 °C.

Lighting, Ballast Controllers Feature Summary

• Supports multiple dimming modes including amplitude and duty cycle control with digital or analog inputs
• Integrates patented breakdown method using frequency scanning to generate appropriate voltage without high spikes
• Provides fault protection mechanisms such as open lamp voltage regulation and overvoltage shutdown

Lighting, Ballast Controllers Applications

• Laptop computers
• Computer monitors
• Portable electronic devices
• Digital cameras
• Personal Digital Assistants

Lighting, Ballast Controllers Procurement Notes

Verify the specific suffix against official Microsemi documentation to confirm tape-and-reel packaging status. Ensure the component meets RoHS compliance requirements if mandated by the design specification. Cross-reference the manufacturer part number with current datasheets to validate pinout compatibility and electrical characteristics before integration.

Lighting, Ballast Controllers Selection Notes

Select this controller for applications requiring wide input voltage tolerance from single-cell lithium sources. It is suitable for designs needing integrated CCFL drive capabilities with reduced external component counts. Consider its support for various dimming methods when system flexibility is required.

Lighting, Ballast Controllers Part Context

This component belongs to the LX1691 family of CCFL controllers designed for portable electronics. It builds upon the standard LX1691 architecture with enhancements for broader input voltage ranges. The series targets manufacturers seeking efficient backlighting solutions for mobile and compact display systems.

Lighting, Ballast Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.