LT3965EFE-1#PBF

LED Driver IC Overview

The LT3965EFE-1#PBF is an LED bypass switching device designed for dimming individual LEDs within a string using a common current source. It features eight individually addressable channels, allowing precise control over each LED segment. The device operates with a supply voltage range of 8V to 60V and supports output currents up to 500mA per channel. It integrates I2C and PWM dimming interfaces for flexible control schemes. The component is housed in a 28-pin TSSOP package with an exposed pad for thermal management.

LED Driver IC Feature Summary

• Eight individually addressable LED bypass channels for precise per-LED dimming control
• Supports both I2C digital interface and PWM analog dimming signals
• Wide input supply voltage range accommodating various LED string configurations
• Integrated thermal protection and robust packaging for reliable operation

LED Driver IC Applications

• Architectural and decorative LED lighting systems requiring per-LED color or intensity control
• Automotive exterior lighting applications such as adaptive headlights and taillights
• High-end display backlighting systems needing localized brightness adjustment
• Smart lighting fixtures with dynamic scene setting capabilities

LED Driver IC Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to ensure correct package type and temperature grade. Confirm that the specific variant matches the required electrical specifications for the target application. Cross-reference with authorized distributors to validate authenticity and avoid counterfeit components. Ensure proper handling procedures are followed due to the sensitive nature of integrated circuits.

LED Driver IC Selection Notes

Select this component when independent control of multiple LEDs within a single current string is required. Consider the maximum supply voltage and per-channel current limits relative to the LED array design. Evaluate the need for I2C versus PWM dimming based on system complexity and control architecture. Ensure adequate thermal dissipation solutions are incorporated given the power dissipation characteristics of the TSSOP package.

LED Driver IC Part Context

The LT3965 series belongs to Analog Devices' portfolio of specialized LED driver solutions. These devices address the growing demand for sophisticated lighting control in automotive and architectural markets. The LT3965EFE-1#PBF specifically targets applications requiring high channel count and precise individual LED regulation without the complexity of separate drivers for each LED.

LED Driver IC Replacement Considerations

LT3965EFE#PBF

LED Driver IC FAQ

What is the primary function of the LT3965EFE-1#PBF?

It serves as an LED bypass switch that allows dimming of individual LEDs in a string by shunting current around specific LEDs while maintaining a common current source.

How many LED channels does the device support?

The device provides eight individually addressable channels for controlling up to eight distinct LEDs or segments.