LTC1695 (3)

The LTC1695 is available from Analog Devices at Xecor. Designed for brushless DC fan speed control, the LTC1695 offers complete SMBus/I²C control, a 0.75Ω PMOS linear regulator with 180mA output current, and a 6-bit DAC for precise voltage regulation. Available in a compact SOT-23-5 package, it is ideal for applications such as notebook computers, portable instruments, battery-powered systems, and fan motor drivers. Whether used in spot cooling, DC motor control, or white LED power supplies, this series ensures lower power consumption, extended battery life, and reduced noise for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTC1695 series below.

Part Number Description Package Inventory Add To Bom
LTC1695CS5 Effortlessly control your brushless DC motor with the LTC1695CS5 SOT-5 5,443
LTC1695CS5#TRMPBF Driver for Fan Speed Control in SMBus/I2C format SOT23-5 3,864
LTC1695CS5#TRPBF LTC1695CS5#TRPBF offers precise SMBus/I2C fan control SOT-23-5 6,812

Key Featrues

Complete SMBus/I²C Brushless DC Fan Speed Control System in a 5-Pin SOT-23 Package: This compact design integrates all necessary components for fan speed control, enabling efficient thermal management in space-constrained applications like notebooks and portable instruments. Its small footprint enhances system design flexibility while maintaining high performance.
0.75Ω PMOS Linear Regulator with 180mA Output Current Rating: The low on-resistance PMOS regulator ensures minimal power loss and efficient current delivery, making it ideal for battery-powered systems and extending battery life by reducing energy waste.
0V to 4.922V Output Voltage Range Controlled by a 6-Bit DAC: Precise voltage control allows for fine-tuned fan speed adjustments, optimizing cooling performance and reducing acoustic noise, which is critical in noise-sensitive environments like offices or labs.
Simple 2-Wire SMBus/I²C Interface: The straightforward interface simplifies integration with microcontrollers and other digital systems, enabling easy configuration and real-time monitoring of fan performance, enhancing system reliability and user experience.
Current Limit and Thermal Shutdown with Fault Status Indication: Built-in protection mechanisms safeguard the device and connected components from overcurrent and overheating, while fault status readback via SMBus ensures quick diagnostics and system recovery, improving overall system robustness.

Applications

Notebook Computer Cooling Control: The LTC1695 is ideal for managing the cooling system in notebook computers. Its SMBus/I²C interface allows precise control of fan speed based on temperature profiles, ensuring efficient thermal management, reduced power consumption, and quieter operation, which is critical for portable computing devices.
Spot Cooling Systems: The LTC1695 is well-suited for spot cooling applications, where targeted temperature control is required. Its 6-bit DAC and PMOS linear regulator enable fine-tuned fan speed adjustments, ensuring optimal cooling performance while minimizing energy usage and noise in localized cooling systems.
Portable Instrumentation: The LTC1695 is perfect for portable instruments that require efficient thermal management. Its compact SOT-23 package and low power consumption make it an excellent choice for battery-powered systems, ensuring reliable fan control and extended battery life in field-deployable equipment.
Battery-Powered Systems: The LTC1695 is ideal for battery-powered systems that demand efficient fan speed control to conserve energy. Its ability to regulate fan speed based on system temperature profiles ensures longer battery run times and reduced acoustical noise, making it suitable for applications like portable medical devices or handheld tools.

Popular LTC1695 Products comparison

LTC1695CS5#TRMPBF vs LTC1695CS5#TRPBF