The LTC1695CS5 is a high-performance, single-channel, I²C adjustable high side current sense switch designed by Linear Technology, a company renowned for its precision and quality in the field of analog integrated circuits. This compact and efficient device is housed in a space-saving SOT-23 package, making it an ideal choice for applications where board space is at a premium.

Key Features

• High-Side Switch: The LTC1695CS5 operates as a high-side switch, allowing for current sensing in positive supply rails, which is essential for applications that require accurate monitoring and control of current flow.
• I²C Interface: With its I²C compatible interface, the LTC1695CS5 allows for digital control over the current limit threshold, providing precise and programmable current control directly from a microcontroller or processor.
• Adjustable Current Limit: The current limit can be set via the I²C interface, enabling the user to adjust the maximum allowable current through the switch to suit the needs of various applications.
• Low Quiescent Current: The device features a low quiescent current, which minimizes power consumption when the switch is in the off state, making it suitable for battery-powered or energy-sensitive applications.
• Under-Voltage Lockout: The LTC1695CS5 is equipped with an under-voltage lockout feature that ensures the device operates only when the supply voltage is within the specified range, protecting the circuit from low voltage conditions.
• Overcurrent and Thermal Protection: Built-in overcurrent and thermal protection safeguards the device and the load from damage due to excessive current or overheating.
• Status Flag Output: An additional status flag output provides real-time feedback on the state of the switch, indicating whether it is in the current limit mode or if a fault has occurred.

Applications

The LTC1695CS5 is versatile and can be used in a wide range of applications, including:

• Portable Devices
• Battery Management Systems
• Hot Swap Controllers
• Power Distribution Controls
• Smart Battery Packs
• Overcurrent Protection Circuits

With its combination of features, the LTC1695CS5 from Linear Technology offers an efficient and reliable solution for current sensing and control in sophisticated electronic systems.