LTC4054ES5-4.2

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LTC4054ES5-4.2

Battery Management LTC4054-4.2 - Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

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Description

The LTC4054ES5-4.2 is a high-efficiency lithium-ion battery charger IC designed for portable applications. It operates in a constant-current/constant-voltage (CC/CV) mode, making it suitable for charging single-cell lithium-ion batteries. The device features a predetermined output voltage of 4.2V, essential for safely charging lithium-ion cells without overvoltage.
Key features include a low quiescent current, which enhances battery life when not in use, and a built-in thermal regulation feature that prevents overheating during the charging process. The LTC4054 supports a wide input voltage range and can be powered by a USB source or a wall adapter, making it versatile for various applications.
Additionally, it includes features like a charge status indicator and can be configured for various charging currents, providing flexibility in design. Its compact SOT-23-5 package allows for space-saving in PCB designs, making it ideal for consumer electronics, wearables, and other battery-operated devices.

Features

The LTC4054ES5-4.2 is a lithium-ion battery charger IC designed for charging single-cell batteries. Key features include:
1. Constant Current/Constant Voltage (CC/CV) Charging: Ensures safe and efficient charging.
2. Charge Voltage: Fixed output voltage of 4.2V, ideal for lithium-ion cells.
3. Low Quiescent Current: Minimizes power loss in standby mode.
4. Thermal Regulation: Adjusts charging based on temperature to prevent overheating.
5. Programmable Charge Current: Adjustable charging current through an external resistor.
6. Automatic Recharge: Automatically restarts charging once the battery voltage drops below a threshold.
7. SOT-23-5 Package: Small footprint suitable for compact designs.
8. Input Voltage Range: Accepts a wide range of input voltages, making it versatile for various applications.
9. Safety Features: Includes short-circuit protection and battery temperature monitoring.
These features make the LTC4054ES5-4.2 ideal for portable electronics and battery-powered applications.

Package

The LTC4054ES5-4.2 is packaged in a 5-lead TSOT-23 (SOT-23) surface-mount package. This compact package type is designed for efficient thermal performance and space-saving applications.

Pinout

The LTC4054ES5-4.2 is a lithium-ion battery charger IC housed in a 5-lead SOT-23 package. It features a total of 5 pins.
Here’s a brief overview of the pin functions:
1. VIN (Pin 1): Supply voltage input. Connect to the power source.
2. GND (Pin 2): Ground reference for the IC.
3. BAT (Pin 3): Connects to the battery. It monitors the battery voltage and controls charging.
4. C/10 (Pin 4): Charge current sense. It provides a way to detect when the battery is fully charged by monitoring the charge current.
5. SET (Pin 5): Used to set the charge voltage level, which is preset to 4.2V in this version.
The LTC4054ES5-4.2 is designed for low-cost, space-saving applications, efficiently managing the charging of lithium-ion batteries.

Manufacturer

The LTC4054ES5-4.2 is manufactured by Analog Devices, Inc. (ADI), a company renowned for its expertise in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices serves a wide range of industries, including communications, automotive, healthcare, and industrial applications. The LTC4054 is a linear battery charger specifically designed for lithium-ion and lithium-polymer batteries, showcasing ADI's commitment to developing innovative solutions for power management and energy efficiency. The company's products are known for their reliability and performance, making them a key player in the semiconductor industry.

Application

The LTC4054ES5-4.2 is a Li-ion battery charger primarily used in portable electronic devices, such as smartphones, tablets, and wearable technology. It is also applicable in battery-powered tools, medical devices, and other applications requiring efficient charging solutions. Its features enable integration in compact designs, making it suitable for applications needing space-saving and reliable charging performance.

Equivalent

Equivalent products to the LTC4054ES5-4.2 include the MCP73831, MCP73832, and TP4056. These chips are also lithium-ion battery chargers, but specifications and features may vary. Always check datasheets for specific requirements and compatibility.

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