LTC4054ES5-4.2#TRPBF

Images à titre indicatif uniquement

LTC4054ES5-4.2#TRPBF

+Nomenclature

IC BATT CHG LI-ION 1CEL TSOT23-5

365 Garantie qualité 24h/24

7*24 Garantie de service 24h/24

90-Garantie après-vente 24h/24

Garantie produit authentique

Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Battery Chemistry Lithium Ion
Number of Cells 1
Current - Charging Constant - Programmable
Charge Current - Max 800mA
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Présentation

Description

The LTC4054ES5-4.2#TRPBF is a lithium-ion battery charger integrated circuit designed for single-cell applications. It is a linear, constant-current/constant-voltage charger that operates from a USB or wall adapter input, making it suitable for portable devices. The device is housed in a compact SOT-23 package, facilitating easy integration into small form-factor designs.
Key features of the LTC4054 include:
1. Programmable Charge Current: The charge current can be set externally using a single resistor, allowing for customization based on specific battery requirements.
2. 4.2V Regulation Voltage: It provides precise voltage regulation to ensure safe and efficient charging of lithium-ion batteries.
3. No External MOSFETs: The device integrates all required components, reducing the need for external MOSFETs and diodes, thus simplifying the design process.
4. Thermal Regulation: It offers automatic thermal regulation to prevent overheating during the charging process.
5. Automatic Recharge: The charger automatically restarts the charge cycle if the battery voltage drops, ensuring the battery is maintained at optimal charge levels.
These features make the LTC4054ES5-4.2#TRPBF an efficient and versatile choice for battery charging applications.

Equivalent

The LTC4054ES5-4.2#TRPBF is a linear Li-Ion battery charger IC. Equivalent products include the MCP73831 from Microchip, the TP4056 from NanJing Top Power ASIC Corp, and the MAX1555 from Maxim Integrated. These ICs provide similar functionality for charging single-cell Li-Ion or Li-Polymer batteries, often featuring adjustable charge current and termination. Always check the datasheets to ensure compatibility with your specific application requirements.

Features

The LTC4054ES5-4.2#TRPBF is a standalone linear lithium-ion battery charger IC. Key features include:
1. Input Voltage: It supports an input voltage range ideal for USB and wall adapter sources.
2. Charge Termination: The charger has automatic charge termination with a fixed 4.2V output voltage.
3. Charge Current: It provides a programmable charge current via an external resistor, up to 800mA.
4. Safety and Protection: The IC includes features for battery temperature sensing and automatic shutdown if the temperature exceeds safe limits.
5. Status Indication: It offers charge status indication with open-collector outputs to easily interface with LEDs or microcontrollers.
6. Compact Size: The device is available in a small SOT-23 package, ideal for space-constrained applications.
7. Efficiency: The internal switch-mode architecture provides high charging efficiency.
8. Thermal Regulation: It includes thermal regulation to prevent overheating during high-power operation.
These features make it suitable for portable applications where compact size and efficient charging are critical.

Pinout

The LTC4054ES5-4.2#TRPBF is a linear battery charger IC for single-cell lithium-ion batteries. It comes in a 5-lead SOT-23 package. The pin functions are as follows:
1. BAT (Pin 1): Battery Connection. It is used to connect the positive terminal of the battery.
2. GND (Pin 2): Ground. This is the ground reference for the device.
3. PROG (Pin 3): Charge Current Program and Charge Current Monitor. A resistor connected from this pin to ground sets the charge current.
4. VCC (Pin 4): Supply Voltage Input. This is where the input voltage is applied.
5. CHRG (Pin 5): Charge Status Output. This open-drain status indicator pin goes low when charging is in progress.
The LTC4054ES5-4.2#TRPBF is designed for applications requiring precise battery charging with minimal external components. It supports features such as automatic recharge, charge status indication, and thermal regulation, providing a complete charging solution for lithium-ion batteries.

Manufacturer

The manufacturer of the LTC4054ES5-4.2#TRPBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacture of integrated circuits used in electronic equipment. Its products are widely used in a variety of industries, including telecommunications, healthcare, industrial automation, and consumer electronics. The company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.

Application

The LTC4054ES5-4.2#TRPBF is a linear battery charger IC designed for single-cell lithium-ion or lithium-polymer batteries. Its key application areas include:
1. Portable Electronics: Used in devices like smartphones, tablets, and wearable technology, where efficient battery management is critical.
2. Battery-Powered Devices: Ideal for MP3 players, digital cameras, and handheld gaming devices.
3. Charging Docks and Stations: Utilized in docking stations for efficient recharging of devices.
4. IoT Devices: Suitable for low-power Internet of Things applications requiring compact and reliable charging solutions.
5. Embedded Systems: Used in embedded applications needing precise charging control.
These applications benefit from the IC’s compact size, simplicity, and efficient charging capabilities.

Package

The LTC4054ES5-4.2#TRPBF is a linear battery charger integrated circuit (IC) designed for single-cell lithium-ion batteries. It is housed in a SOT-23-5 package, which is a small, surface-mount package with five leads, making it suitable for compact electronic applications.

Produits liés à LTC4054ES5-4.2#TRPBF