LTC2954ITS8-1

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LTC2954ITS8-1

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規格

屬性 價值
Brand Analog Devices
Series LTC2954
Product Type Supervisory Circuits
Subcategory PMIC - Power Management ICs
Mounting Type SMD/SMT
Current - Supply 6 uA
Delivery Restrictions Mouser does not sell this product in your region.
Package / Case SOT-8

概述

Description

The LTC2954ITS8-1 is a low-power, programmable pushbutton switch controller designed for enabling and disabling power in various electronic applications. It is particularly useful in battery-operated devices, allowing for efficient power management by controlling power delivery to the load through a pushbutton interface.
Key features include:
- Programmable Timing: Users can set output timing for power-on and power-off durations.
- Low Quiescent Current: Designed for minimal power consumption in standby mode.
- Flexible Output Control: Capable of driving loads with different voltage levels and can handle up to 1A output current.
- Fault Protection: Integrates features like reverse polarity protection and overcurrent sensing to safeguard connected devices.
- Ease of Use: Simple interface with an external pushbutton for user control.
The LTC2954ITS8-1 is suitable for applications in portable devices, remote sensors, and consumer electronics, enhancing efficiency and user experience by providing reliable power management.

Equivalent

The LTC2954ITS8-1 is a low quiescent current power management chip, primarily used for controlling power sequencing and monitoring. Equivalent products include the Texas Instruments TPS22918, ON Semiconductor NCP81174, and Microchip MCP23017. When considering alternatives, ensure to check specifications like voltage levels, current ratings, and features to ensure compatibility with your application. Always refer to the manufacturer's datasheets for detailed comparisons.

Features

The LTC2954ITS8-1 is a power management device designed for low-power applications. Key features include:
1. Dual Functionality: Acts as a power switch and a smart power controller.
2. Low Quiescent Current: Consumes minimal power during operation, enhancing battery life.
3. Auto-restart Function: Automatically restarts the system after a fault condition.
4. Programmable Timeout: Allows users to set the duration for fault detection.
5. Wide Voltage Range: Supports input voltages from 1.8V to 20V, making it versatile for various applications.
6. Integrated MOSFET: Reduces component count and board space while improving reliability.
7. Logic-Level Control: Compatible with standard CMOS and TTL logic levels for control inputs.
8. Thermal Protection: Includes built-in thermal shutdown for enhanced safety.
9. Compact Package: Available in an 8-lead MSOP package for space-constrained designs.
These features make the LTC2954ITS8-1 ideal for portable devices, battery-operated equipment, and other low-power systems.

Pinout

The LTC2954ITS8-1 is an 8-pin integrated circuit (IC) designed for power management applications, specifically for controlling the power-up and power-down sequences of a system.
Pin Count: 8 pins
Function:
1. GND (Pin 1): Ground connection.
2. VIN (Pin 2): Main input voltage supply.
3. VOUT (Pin 3): Output voltage to power the load.
4. SW (Pin 4): Switch node for controlling power delivery.
5. SENSE (Pin 5): Voltage sense input for monitoring and control.
6. CTRL (Pin 6): Control input for enabling/disabling the IC.
7. VBIAS (Pin 7): Bias voltage supply for internal operation.
8. FAULT (Pin 8): Output that indicates fault conditions or status.
The LTC2954 enables efficient power sequencing and can assist with system shutdown procedures, ensuring safe power management in various electronic devices.

Manufacturer

The LTC2954ITS8-1 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global semiconductor company known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company specializes in providing solutions for various applications, including industrial automation, automotive, communications, healthcare, and consumer electronics.
ADI's products are widely used in applications that require precision, reliability, and efficiency, making it a key player in the electronics industry. The LTC2954ITS8-1 itself is a power management IC designed for low-power applications, featuring a push-button control for power management in devices.
Overall, Analog Devices is recognized for its innovation and expertise in analog and mixed-signal technologies, catering to a diverse range of sectors and improving the performance of electronic systems worldwide.

Application

The LTC2954ITS8-1 is a low-power push button controller designed for various applications, including battery-powered devices, portable electronics, and IoT devices. It enables efficient power management by controlling power to the system through push-button activation, facilitating safe shutdowns and wake-up features. Common uses include remote controls, wearable technology, and smart home devices. Its programmable features allow customization for specific application needs, enhancing user experience and prolonging battery life.

Package

The LTC2954ITS8-1 is packaged in an 8-lead Thin Shrink Small Outline Package (TSSOP). This compact package design is suitable for space-constrained applications while providing efficient thermal performance.

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