Linear Technology/QD Devices
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
LTC4162EUFD-LAD#TRPBF
Ver Detalle Hojas de datos

LTC4162EUFD-LAD#TRPBF

Product Overview

Category

The LTC4162EUFD-LAD#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

  • High efficiency: The LTC4162EUFD-LAD#TRPBF offers high charging efficiency, ensuring optimal use of power during the charging process.
  • Fast charging capability: This IC supports fast charging protocols, allowing for quicker charging times compared to traditional charging methods.
  • Advanced safety features: The LTC4162EUFD-LAD#TRPBF incorporates multiple safety mechanisms to prevent overcharging, overcurrent, and overheating, ensuring safe and reliable battery charging.
  • Wide input voltage range: It can accept a wide range of input voltages, making it suitable for various power sources.

Package

The LTC4162EUFD-LAD#TRPBF is available in a small form factor package, which enhances its suitability for compact electronic devices. The package type is uFDQN, measuring 3mm x 4mm.

Essence

The essence of the LTC4162EUFD-LAD#TRPBF lies in its ability to efficiently charge lithium-ion batteries while providing advanced safety features and compatibility with different power sources.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 35V
  • Charging Current Range: Up to 3A
  • Charging Termination Voltage: Programmable from 3.9V to 4.45V
  • Operating Temperature Range: -40°C to 85°C
  • Control Interface: I2C

Detailed Pin Configuration

The LTC4162EUFD-LAD#TRPBF features the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. SDA: I2C data pin
  4. SCL: I2C clock pin
  5. BAT: Battery connection pin
  6. PROG: Charging termination voltage programming pin
  7. STAT: Status indicator pin
  8. INTVCC: Internal voltage supply pin
  9. TS: Temperature sense pin

Functional Features

  • Constant current and constant voltage charging modes
  • Programmable charging termination voltage
  • Automatic recharge feature after battery discharge
  • Battery temperature monitoring for enhanced safety
  • Fault detection and reporting mechanisms
  • I2C interface for control and monitoring

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to reduced charging times
  • Advanced safety features protect the battery and the device
  • Wide input voltage range allows compatibility with various power sources
  • Small form factor package enhances suitability for compact devices

Disadvantages

  • Requires an external microcontroller or host system for control and monitoring
  • Limited to lithium-ion battery charging applications

Working Principles

The LTC4162EUFD-LAD#TRPBF operates by regulating the charging current and voltage supplied to the connected lithium-ion battery. It employs a constant current charging mode until the battery voltage reaches a programmable termination voltage. At that point, it switches to constant voltage mode to complete the charging process. The IC continuously monitors the battery temperature and implements safety measures to prevent overcharging, overcurrent, and overheating.

Detailed Application Field Plans

The LTC4162EUFD-LAD#TRPBF finds extensive application in various portable electronic devices that utilize lithium-ion batteries. Some of the key application fields include:

  1. Smartphones and tablets
  2. Portable media players
  3. Wearable devices
  4. Handheld gaming consoles
  5. Wireless headphones and earbuds
  6. Portable medical devices

Detailed and Complete Alternative Models

  1. LTC4160: Similar to LTC4162EUFD-LAD#TRPBF, but with a different package type (DFN)
  2. BQ25895: Integrated circuit for lithium-ion battery charging with similar features and specifications
  3. MAX8903A: Another alternative IC for lithium-ion battery charging, offering comparable functionality

These alternative models provide similar capabilities and can be considered as substitutes based on specific requirements and design considerations.

In conclusion, the LTC4162EUFD-LAD#TRPBF is an integrated circuit designed for efficient and safe charging of lithium-ion batteries in various portable electronic devices. With its high efficiency, advanced safety features, and wide input voltage range, it offers significant advantages in terms of charging speed and compatibility. However, it requires an external microcontroller or host system for control and monitoring. Its application field plans encompass a wide range of portable electronic devices, and there are alternative models

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC4162EUFD-LAD#TRPBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC4162EUFD-LAD#TRPBF in technical solutions:

  1. Q: What is the LTC4162EUFD-LAD#TRPBF? A: The LTC4162EUFD-LAD#TRPBF is a high-efficiency, multi-chemistry battery charger controller with PowerPath™ and I2C interface.

  2. Q: What types of batteries can be charged using LTC4162EUFD-LAD#TRPBF? A: The LTC4162EUFD-LAD#TRPBF can charge various types of batteries, including lithium-ion, lead-acid, and nickel-based chemistries.

  3. Q: How does the PowerPath feature work in LTC4162EUFD-LAD#TRPBF? A: The PowerPath feature allows simultaneous charging of the battery and powering the system from an external power source, such as a wall adapter or USB.

  4. Q: Can LTC4162EUFD-LAD#TRPBF handle fast charging? A: Yes, LTC4162EUFD-LAD#TRPBF supports fast charging by utilizing advanced charging algorithms and adjustable charging parameters.

  5. Q: Does LTC4162EUFD-LAD#TRPBF have overvoltage protection? A: Yes, LTC4162EUFD-LAD#TRPBF provides overvoltage protection to prevent damage to the battery during charging.

  6. Q: Is LTC4162EUFD-LAD#TRPBF compatible with I2C communication? A: Yes, LTC4162EUFD-LAD#TRPBF features an I2C interface for easy control and monitoring of charging parameters.

  7. Q: Can LTC4162EUFD-LAD#TRPBF operate in a wide input voltage range? A: Yes, LTC4162EUFD-LAD#TRPBF can operate with an input voltage range of 4.5V to 35V, making it suitable for various power sources.

  8. Q: Does LTC4162EUFD-LAD#TRPBF have thermal protection? A: Yes, LTC4162EUFD-LAD#TRPBF incorporates thermal protection to prevent overheating and ensure safe operation.

  9. Q: Can LTC4162EUFD-LAD#TRPBF be used in portable devices? A: Yes, LTC4162EUFD-LAD#TRPBF is designed for use in portable devices, thanks to its compact size and low-power operation.

  10. Q: Are there any evaluation boards or reference designs available for LTC4162EUFD-LAD#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help users quickly implement LTC4162EUFD-LAD#TRPBF in their applications.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.