LM26484SQ

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LM26484SQ

+BOM

Power Management Specialized - PMIC

  • ManufacturerTexas Instruments

  • Mfr. Part #LM26484SQ

  • In Stock21624

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Specifications

Attribute Value

Overview

Description

The LM26484SQ is a highly integrated power management unit commonly used in portable electronic devices. This IC offers a versatile solution by integrating multiple power management functions into a single package, which simplifies the design and enhances the efficiency of the power supply system.
Key features of the LM26484SQ include:
1. Multiple Outputs: It provides multiple regulated DC outputs, catering to various voltage and current requirements within a device.
2. High Efficiency: Designed for low power consumption, it supports efficient energy use, which is crucial for battery-operated devices.
3. Compact Design: The integration of multiple functions reduces the need for external components, allowing for a more compact circuit design.
4. Protection Features: It includes safeguards such as overcurrent protection, overtemperature protection, and undervoltage lockout to enhance reliability and safety.
5. Flexibility: The LM26484SQ can be configured for different operating modes and tailored to specific application needs.
Overall, the LM26484SQ is ideal for applications where space, efficiency, and reliability are critical.

Equivalent

The LM26484SQ is a dual step-down DC-DC converter and LDO regulator. Equivalent products are those offering similar functions and specifications. Consider the TPS65023 from Texas Instruments, the RT8010 from Richtek, or the MAX8660 from Maxim Integrated. These provide comparable functionality in terms of dual power management solutions for portable devices. Always verify pin compatibility and electrical specifications to ensure suitability for your application.

Features

The LM26484SQ is a highly integrated power management unit designed for portable applications. It features two high-efficiency step-down DC-DC converters and two linear regulators, making it suitable for powering digital cores, memory, and I/O. Each step-down converter can provide up to 600 mA of output current, while the linear regulators can supply up to 300 mA.
The device supports a wide input voltage range from 2.3V to 5.5V, allowing it to be powered directly from a single-cell lithium-ion battery or a 3.3V/5V supply. It also features a programmable output voltage for each channel, enabling flexibility for different application needs. The LM26484SQ includes an I²C-compatible interface for easy configuration and control.
Additional features include power sequencing, power-good indicators, and thermal shutdown for enhanced reliability. Its compact design is available in a small WQFN-24 package, making it well-suited for space-constrained applications. Overall, the LM26484SQ provides a versatile and efficient power management solution for a range of portable electronic devices.

Pinout

The LM26484SQ is a power management IC (PMIC) designed by Texas Instruments. It is a compact, highly integrated device that typically comes in a small footprint package, which is especially suitable for portable and battery-operated devices. The LM26484SQ features several functions including voltage regulation and power sequencing.
The pin count for the LM26484SQ is typically 40 pins, as it is available in a 40-pin LLP (Leadless Leadframe Package). The functions of these pins are designed to support its dual step-down DC-DC converters and multiple LDO (Low-Dropout) regulators, along with additional functions like enable controls, feedback, synchronization, and various power management signals.
This PMIC is used to efficiently manage power distribution in systems requiring multiple voltage rails, providing solutions for applications such as mobile phones, tablets, and other handheld devices. The LM26484SQ helps optimize power efficiency, prolong battery life, and support system functionality through precise voltage delivery and management.

Manufacturer

The LM26484SQ is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. These products are used in various electronic devices and systems, including consumer electronics, industrial equipment, automotive systems, and communications infrastructure. TI is known for its innovation and advancement in semiconductor technology, providing solutions that improve power management, signal processing, and wireless connectivity for a wide array of applications.

Application

The LM26484SQ is a highly integrated power management integrated circuit (PMIC) primarily used in portable devices, mobile phones, and consumer electronics. It efficiently manages power distribution by integrating multiple voltage regulators and power supply functions on a single chip. This PMIC is suitable for applications that require precise voltage regulation, extended battery life, and reduced component count, such as handheld computers, digital cameras, and other battery-operated devices. Its ability to support various power domains makes it ideal for complex systems needing dynamic power management.

Package

The LM26484SQ is a micro-package type known as WQFN (WSON) with a 40-lead configuration. This package type is designed for compact and efficient power management solutions, providing a small footprint suitable for space-constrained applications.

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