LTC4061EDD-4.4#TRPBF

Product Overview

Category

LTC4061EDD-4.4#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery charging applications.

Characteristics

The LTC4061EDD-4.4#TRPBF is a high-performance, standalone linear charger designed for single-cell lithium-ion batteries. It offers a compact and efficient solution for charging batteries in various portable electronic devices.

Package

The LTC4061EDD-4.4#TRPBF comes in a 10-lead DFN (Dual Flat No-Lead) package.

Essence

The essence of this product lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries.

Packaging/Quantity

The LTC4061EDD-4.4#TRPBF is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

• Input Voltage Range: 4.5V to 6V
• Charge Current: Up to 800mA
• Charge Voltage: 4.4V
• Preconditioning Current: 10% of the programmed charge current
• Charge Termination: C/10
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC4061EDD-4.4#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. PROG: Programming pin for setting the charge current
4. STAT: Status output pin
5. CE: Charger enable pin
6. TS: Temperature sense pin
7. BAT: Battery connection pin
8. VOUT: Output voltage pin
9. ISET: Current set pin
10. VFB: Feedback voltage pin

Functional Features

• Standalone linear charger for single-cell lithium-ion batteries
• Programmable charge current through the PROG pin
• Automatic recharge feature
• Thermal regulation and protection
• Charge status indication through the STAT pin
• Low battery preconditioning
• Reverse battery protection

Advantages and Disadvantages

Advantages

• Compact and efficient charging solution
• Programmable charge current allows flexibility in different applications
• Automatic recharge feature ensures continuous battery availability
• Thermal regulation and protection prevent overheating and damage
• Reverse battery protection safeguards against incorrect battery insertion

Disadvantages

• Limited to single-cell lithium-ion battery charging applications
• Input voltage range may not be suitable for all devices

Working Principles

The LTC4061EDD-4.4#TRPBF operates as a standalone linear charger for single-cell lithium-ion batteries. It utilizes a programmable charge current, which can be set using the PROG pin. The charger automatically adjusts the charge current based on the battery's state of charge.

Thermal regulation and protection mechanisms ensure safe operation by monitoring the temperature and adjusting the charging current accordingly. The charger also features reverse battery protection to prevent damage caused by incorrect battery insertion.

The charge status is indicated through the STAT pin, providing visual feedback on the charging process. Additionally, the charger includes an automatic recharge feature that initiates a new charging cycle once the battery voltage drops below a certain threshold.

Detailed Application Field Plans

The LTC4061EDD-4.4#TRPBF finds extensive application in various portable electronic devices that utilize single-cell lithium-ion batteries. Some common application fields include:

1. Smartphones and tablets
2. Portable media players
3. Bluetooth headsets
4. GPS navigation devices
5. Wearable devices
6. Portable gaming consoles

Detailed and Complete Alternative Models

1. LTC4060EDD-4.2#TRPBF: Similar to LTC4061EDD-4.4#TRPBF, but with a charge voltage of 4.2V.
2. LTC4063EDD-4.1#TRPBF: Standalone linear charger for single-cell lithium-ion batteries with a charge voltage of 4.1V.
3. LTC4064EDD-4.0#TRPBF: Linear charger designed for single-cell lithium-ion batteries with a charge voltage of 4.0V.

These alternative models offer similar functionality and can be considered as suitable replacements for the LTC4061EDD-4.4#TRPBF in specific applications.

In conclusion, the LTC4061EDD-4.4#TRPBF is a high-performance standalone linear charger designed for single-cell lithium-ion batteries. Its compact size, programmable charge current, and various protection features make it an ideal choice for charging applications in portable electronic devices.