LTC2950ITS8-1

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LTC2950ITS8-1

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Supervisory Circuits LTC2950 - Push Button On/Off Controller

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Description

The LTC2950ITS8-1 is a power management device from Analog Devices, designed to offer user-friendly control over the power state of a system. It features pushbutton on/off control, making it ideal for battery-operated devices. The device integrates a robust debouncer and a configurable turn-on/off timing mechanism to manage power transitions smoothly, minimizing accidental activation or deactivation.
Key features include low supply current consumption, typically around 14µA, which helps preserve battery life. It also provides an adjustable delay for both power-on and power-off events, ensuring flexibility in system design. The power-on and power-off timings can be customized through external capacitors.
The device is housed in a compact TSOT-23 package, making it suitable for space-constrained applications. The LTC2950ITS8-1 helps simplify the power control interface for users while protecting electronic components from unintended power cycling, enhancing overall system reliability.

Equivalent

The LTC2950ITS8-1 is a pushbutton on/off controller with features like low power consumption and a simple interface. Equivalent products include:
1. MAX16054 from Maxim Integrated: Offers similar functionality for power control using pushbuttons.
2. MIC2778 from Microchip Technology: Another pushbutton power controller with comparable features.
3. NCP380 from ON Semiconductor: Offers overcurrent protection with integrated load switch capability.
These alternatives provide similar functionalities, but always check the datasheet to ensure compatibility with your specific application requirements.

Features

The LTC2950ITS8-1 is a micropower, pushbutton on/off controller designed to manage power for electronic devices. Its key features include:
1. Pushbutton Control: Provides controlled turn-on and turn-off of power through a single pushbutton interface.
2. Micropower Operation: Consumes minimal power, making it ideal for battery-operated devices.
3. Wide Input Voltage Range: Supports a broad input voltage range, allowing flexibility in various applications.
4. Debounce Time: Incorporates internal debounce circuitry for reliable pushbutton operation.
5. Adjustable Turn-Off Timer: Allows users to set the duration before the device powers off after a pushbutton press.
6. Simple Interface: Features a straightforward interface that is easy to integrate into electronic designs.
7. Active-Low Enable Output: Provides a signal to enable or disable the main power supply.
8. Low Quiescent Current: Ensures minimal current draw when the device is not actively switching, prolonging battery life.
9. Compact Package: Comes in a small TSOT-23 package, saving board space.
These features make the LTC2950ITS8-1 suitable for use in portable and low-power applications.

Pinout

The LTC2950ITS8-1 is an 8-pin micropower voltage monitor with a pushbutton on/off controller. It is designed to manage the power state of a system and provide microcontroller reset functionality. Here is the pin count and function:
1. PBIN (Pin 1): Pushbutton input. This pin detects when a pushbutton is pressed to turn the system on or off.
2. PBOUT (Pin 2): Pushbutton output. It provides debounced pushbutton feedback.
3. INT (Pin 3): Interrupt output. Active low signal to indicate a valid pushbutton press.
4. GND (Pin 4): Ground. It is the reference point for the other pins.
5. ON (Pin 5): On signal output. It controls an external power switch or regulator.
6. KILL (Pin 6): Kill input. Allows the microcontroller to turn off the system.
7. VCC (Pin 7): Supply voltage. Powers the device.
8. SENSE (Pin 8): Voltage sense input. Monitors the voltage to detect power failure or recovery.
This configuration allows for efficient control and management of power in electronic devices and systems.

Manufacturer

The LTC2950ITS8-1 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. These components are widely used in a variety of electronic equipment and are critical for converting real-world phenomena, such as light, sound, and temperature, into electrical signals. The company serves numerous industries, including automotive, communications, consumer electronics, healthcare, and industrial sectors. Analog Devices is known for its focus on innovation and providing high-performance solutions in the field of electronics.

Application

The LTC2950ITS8-1 is a power management IC designed for pushbutton on/off control in various electronic applications. Its primary application areas include battery-powered devices, handheld electronics, portable instruments, and embedded systems. It provides a simple interface for controlling power with a single pushbutton, enabling efficient power management by reducing power consumption during standby modes. This makes it ideal for applications requiring extended battery life and reliable power control, such as consumer electronics, medical devices, and remote sensors. Its compact size and low power operation further enhance its suitability for space-constrained and energy-sensitive applications.

Package

The LTC2950ITS8-1 is a power management IC typically housed in an 8-lead TSOT-23 package. TSOT-23 is a small, surface-mount package that is suitable for space-constrained applications.

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