LTC3355EUF#TRPBF

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LTC3355EUF#TRPBF

IC REG BUCK ADJ 1A 20QFN

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規格

Part Status Active
Base Product Number LTC3355
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 2.7V
Voltage - Output (Max) 5V
Current - Output 1A
Frequency - Switching 1MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package 20-WFQFN Exposed Pad
Supplier Device Package 20-QFN (4x4)
Packaging Cut Tape (CT), Tape & Reel (TR)

概述

Description

The LTC3355EUF#TRPBF is a high-performance battery management IC designed for energy harvesting and battery backup applications. It integrates a high-efficiency buck-boost converter, which allows for flexible operation with various input sources, including solar panels and batteries. The device supports Li-ion and Li-polymer battery chemistries, providing advanced features like battery charging, voltage regulation, and state-of-charge monitoring.
Key features include low quiescent current, a programmable output voltage, and an integrated power path that seamlessly manages input and output power. The LTC3355 also offers protection features such as overvoltage, undervoltage, and thermal shutdown, ensuring safe operation in diverse environments. Its compact 32-lead LQFP package makes it suitable for space-constrained applications, including portable devices and IoT systems.
Overall, the LTC3355EUF#TRPBF is ideal for engineers looking to enhance battery efficiency and extend operational lifetime in energy-sensitive applications.

Features

The LTC3355EUF#TRPBF is a highly integrated power management IC designed for energy harvesting applications. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 2.5V to 32V, suitable for various energy sources.
2. High Efficiency: Operates with high efficiency, optimizing energy harvesting from sources like solar panels and thermoelectric generators.
3. Integrated Battery Management: Manages charging and discharging of storage batteries, including lithium-ion and lithium polymer types.
4. Low Quiescent Current: Ensures minimal power loss during idle times, extending the overall system efficiency.
5. Load Sharing: Facilitates simultaneous operation from multiple power sources while prioritizing energy delivery.
6. Programmable Settings: Offers flexibility with adjustable parameters for charging currents and voltages based on application needs.
7. Small Package: Available in a compact 28-lead 4mm x 5mm QFN package, suitable for space-constrained designs.
These features make the LTC3355EUF#TRPBF ideal for applications in portable devices, IoT sensors, and other energy-efficient systems.

Package

The LTC3355EUF#TRPBF is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package) with a 4 mm × 5 mm footprint. This package type is designed for space efficiency while providing reliable performance for the integrated circuit's functionalities.

Pinout

The LTC3355EUF#TRPBF is a Power Path Management and Battery Charger IC with a total of 36 pins. Its primary functions include managing power distribution between an input source (e.g., USB) and a battery, enabling seamless transitions between power sources, and charging the battery efficiently. The device supports various features such as synchronous buck-boost conversion, battery monitoring, and system load support, making it suitable for portable and energy-efficient applications. Key pins include VIN (input voltage), VOUT (output voltage), BAT (battery connection), and multiple control and status pins to facilitate communication and configuration.

Manufacturer

The manufacturer of the LTC3355EUF#TRPBF is Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of semiconductor products, particularly integrated circuits (ICs) used for signal processing. The company provides a wide range of products for various applications, including analog, mixed-signal, and digital signal processing, and serves industries such as automotive, communications, industrial, and healthcare. The LTC3355 is specifically a battery management IC designed for energy storage applications, focusing on enhancing battery performance and efficiency.

Application

The LTC3355EUF#TRPBF is a high-performance lithium battery management IC designed for energy harvesting, battery backup systems, and portable devices. Its applications include solar energy systems, energy storage solutions, and uninterruptible power supplies (UPS). It effectively manages battery charging, discharging, and protection, making it suitable for IoT devices and wearable technology that require efficient power management.

Equivalent

The LTC3355EUF#TRPBF is a battery management and energy harvesting IC. Equivalent products include:
1. BQ25570 (Texas Instruments) - Energy harvesting and battery management.
2. MAX17710 (Maxim Integrated) - Battery charger and power management.
3. MCP73831 (Microchip) - Li-Ion/Li-Polymer charge management.
Always verify specific requirements and features for compatibility in your application.

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