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

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Specifications

Overview

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.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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