LTC4125EUFD#TRPBF

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LTC4125EUFD#TRPBF

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5W AUTORESONANT WIRELESS POWER T

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Specifications

Attribute Value
Part Status Active
Applications Wireless Power Transmitter
Supply Current 1mA
Voltage - Supply 3V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Supplier Device Package 20-QFN (4x5)
Base Product Number LTC4125

Overview

Description

The LTC4125EUFD#TRPBF is a high-efficiency wireless power receiver designed for battery management applications. It operates at a frequency of 1.1 MHz, enabling compact design and efficient energy transfer. This chip can harvest power from various sources, including inductive charging and resonant links, making it versatile for applications in consumer electronics, wearables, and IoT devices.
Key features include a maximum output current of 1A, support for multiple battery chemistries, and integrated power management functions that facilitate charging and system operation. The LTC4125 also includes safety features such as over-voltage and over-temperature protection, ensuring reliable operation.
The chip's compact form factor and low quiescent current make it suitable for battery-powered devices needing efficient charging solutions. Overall, the LTC4125EUFD#TRPBF is an excellent choice for designers looking to implement wireless power transfer in their products.

Equivalent

The LTC4125EUFD#TRPBF is a wireless power receiver chip. Equivalent products include the Texas Instruments BQ51013B, NXP's NT3H2111, and the Analog Devices LTC4125. When searching for alternatives, consider specifications like output current, efficiency, frequency range, and integration features to ensure compatibility with your application. Always check the manufacturer's datasheets for detailed comparisons.

Features

The LTC4125EUFD#TRPBF is a highly integrated wireless power receiver designed for efficient power transfer in various applications. Key features include:
1. High Efficiency: Offers efficient power transfer with minimal losses.
2. Integrated Coil Driver: Contains an integrated driver for a series resonant coil.
3. Flexible Output: Supports various output voltages, adjustable via external resistors.
4. Battery Charging: Capable of charging Li-ion and Li-polymer batteries with built-in battery management.
5. Foreign Object Detection: Includes features to detect foreign objects, enhancing safety.
6. Load Sharing Capability: Allows for load sharing or simultaneous powering and charging.
7. Low Quiescent Current: Optimized for low power consumption during standby mode.
8. Programmable Control: Features programmable parameters for customization.
9. Thermal Protection: Built-in thermal management to prevent overheating.
10. Compact Package: Available in a compact 28-lead TSSOP package.
This device is ideal for applications like wireless charging pads, IoT devices, and portable electronics.

Pinout

The LTC4125EUFD#TRPBF is a wireless power receiver IC from Analog Devices. It features a total of 16 pins.
Key functions include:
- Power Management: It manages the reception and conversion of RF energy into usable power for charging batteries.
- Charge Control: Controls the charging process for various battery types.
- Communication: Supports communication with a transmitter for status and command signals.
- Protection Features: Includes thermal protection, overvoltage protection, and fault detection.
This IC is designed to enable efficient wireless charging solutions in various applications, including consumer electronics and medical devices. Its compact size and integrated features simplify design and enhance performance in wireless power systems.

Manufacturer

The LTC4125EUFD#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its innovative solutions in various sectors, including communications, industrial automation, healthcare, automotive, and consumer electronics.
The LTC4125 is a power management IC that focuses on wireless battery charging applications, specifically designed for powering low-power devices through inductive power transfer. Analog Devices provides a wide range of products that cater to various applications, and they focus on high-performance solutions that enhance connectivity, efficiency, and signal integrity across different industries.
With a commitment to technological advancement and quality, Analog Devices plays a significant role in enabling innovations in electronics, making it a key player in the semiconductor industry.

Application

The LTC4125EUFD#TRPBF is a wireless power receiver IC primarily used for applications in wireless charging systems. Key application areas include:
1. Wearable Devices: Smartwatches and fitness trackers, benefiting from contactless charging.
2. IoT Devices: Low-power Internet of Things devices requiring efficient, maintenance-free power solutions.
3. Medical Devices: Implantable or portable medical equipment that needs reliable, safe charging without user intervention.
4. Consumer Electronics: Wireless charging for smartphones and portable gadgets.
5. Industrial Sensors: Powering sensors in hard-to-reach locations, enhancing operational efficiency.
Its design enables flexibility in various wireless power applications while ensuring efficient energy transfer.

Package

The LTC4125EUFD#TRPBF is packaged in a 16-lead, 3mm x 3mm LQFN (Leadframe Quad Flat No-lead) package. This compact package type is designed for efficient thermal performance and minimizes footprint on the PCB.

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