LTC1840CGN#PBF

Overview

The LTC1840CGN#PBF is a dual fan controller manufactured by Analog Devices Inc., housed in a 16-lead SSOP package. It features a two-wire serial interface for configuration and control. The device integrates temperature monitoring capabilities, supporting dual automatic PWM fan-speed control based on thermal input. Designed for system management applications, it provides precise thermal regulation through integrated sensing and output drivers.

Feature Summary

• Dual fan speed control with automatic PWM modulation
• Integrated two-wire serial interface for system communication
• Built-in temperature monitoring functionality

Applications

• Server and workstation thermal management systems
• Industrial equipment cooling control
• Network infrastructure hardware thermal regulation

Procurement Notes

Verify the specific suffix CGN indicates the commercial temperature range and SSOP package variant when sourcing. Confirm RoHS compliance status via the manufacturer's official documentation. Ensure the part number matches the exact pinout and electrical specifications required for the target design to avoid integration errors.

Selection Notes

Select this component when dual-channel thermal control with serial interface integration is required. Consider the SSOP package constraints for PCB layout. Evaluate the two-wire interface compatibility with existing microcontrollers or host processors before finalizing the design architecture.

Part Context

This part belongs to the LTC1840 series of dual fan controllers from Analog Devices. It is designed for applications requiring coordinated thermal management of multiple heat sources. The series focuses on providing reliable fan control with minimal external component count.

Replacement Considerations

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