LT3652IMSE#PBF

Product Overview

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

Integrated circuit designed for battery charging
Specifically optimized for lithium-ion batteries
High efficiency charging algorithm
Wide input voltage range
Programmable charge current
Thermal regulation for safe charging
Automatic recharge feature
Reverse battery protection
Small form factor package

Package and Quantity

The LT3652IMSE#PBF is available in a small MSOP-10 package. It is typically sold in reels or tubes containing a specified quantity of units.

Specifications

Input Voltage Range: 4.95V to 32V
Charge Current Range: 50mA to 2A
Float Voltage: 4.1V to 4.2V per cell
Operating Temperature Range: -40°C to 85°C
Package Type: MSOP-10

Pin Configuration

The LT3652IMSE#PBF has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
PROG: Charge current programming pin
STAT: Status indicator pin
ISET: Current sense resistor connection pin
BAT: Battery connection pin
TS: Thermal shutdown pin
SS: Soft-start capacitor connection pin
FB: Feedback pin
VOUT: Output voltage pin

Functional Features

Constant-current/constant-voltage charging algorithm
Programmable charge current for flexibility
Thermal regulation for safe charging
Automatic recharge feature for convenience
Reverse battery protection for added safety
Status indicator pin for charge status monitoring

Advantages and Disadvantages

Advantages

High efficiency charging algorithm ensures fast and efficient charging
Wide input voltage range allows compatibility with various power sources
Programmable charge current provides flexibility for different battery capacities
Thermal regulation prevents overheating during charging
Automatic recharge feature eliminates the need for manual intervention
Reverse battery protection safeguards against accidental reverse polarity connection

Disadvantages

Limited to lithium-ion battery charging applications
Requires additional external components for complete charging circuit implementation

Working Principles

The LT3652IMSE#PBF operates on a constant-current/constant-voltage charging algorithm. It regulates the charging current based on the battery's state of charge and adjusts the output voltage accordingly. The thermal regulation feature ensures safe charging by monitoring the temperature and adjusting the charging current accordingly.

Application Field Plans

The LT3652IMSE#PBF is widely used in various portable electronic devices that require lithium-ion battery charging. Some common application fields include: - Smartphones - Tablets - Portable media players - Bluetooth headsets - Portable gaming devices

Alternative Models

There are several alternative models available in the market that offer similar functionality to the LT3652IMSE#PBF. Some popular alternatives include: - MCP73831 - BQ24075 - MAX1555 - LTC4054

These alternative models provide comparable features and can be considered as substitutes depending on specific requirements.

In conclusion, the LT3652IMSE#PBF is an integrated circuit designed for lithium-ion battery charging applications. Its high efficiency, programmable charge current, and thermal regulation make it suitable for a wide range of portable electronic devices. While it has some limitations and requires additional external components, it offers several advantages such as fast charging, wide input voltage range, and reverse battery protection.

技術ソリューションにおける LT3652IMSE#PBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LT3652IMSE#PBF in technical solutions:

Q: What is the LT3652IMSE#PBF? A: The LT3652IMSE#PBF is a high-efficiency, multi-chemistry battery charger IC designed for use in various technical solutions.
Q: What types of batteries can the LT3652IMSE#PBF charge? A: The LT3652IMSE#PBF can charge a wide range of batteries, including lithium-ion, lead-acid, and nickel-based chemistries.
Q: What is the input voltage range for the LT3652IMSE#PBF? A: The LT3652IMSE#PBF has an input voltage range of 4.95V to 32V, making it suitable for a variety of power sources.
Q: Can the LT3652IMSE#PBF charge multiple batteries simultaneously? A: Yes, the LT3652IMSE#PBF supports multi-cell charging and can charge multiple batteries in series or parallel configurations.
Q: Does the LT3652IMSE#PBF have built-in safety features? A: Yes, the LT3652IMSE#PBF includes various safety features such as thermal shutdown, reverse battery protection, and overvoltage protection.
Q: What is the maximum charging current supported by the LT3652IMSE#PBF? A: The LT3652IMSE#PBF can provide a maximum charging current of up to 4A, allowing for fast charging of batteries.
Q: Can the LT3652IMSE#PBF be used in portable devices? A: Yes, the LT3652IMSE#PBF is suitable for portable devices as it has a compact form factor and low power dissipation.
Q: Does the LT3652IMSE#PBF have a programmable charging profile? A: Yes, the LT3652IMSE#PBF allows for flexible charging profiles through its programmable charge current and voltage settings.
Q: Can the LT3652IMSE#PBF operate in a wide temperature range? A: Yes, the LT3652IMSE#PBF has an extended operating temperature range of -40°C to 85°C, making it suitable for various environments.
Q: Are there any evaluation boards or reference designs available for the LT3652IMSE#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs to help users implement the LT3652IMSE#PBF in their technical solutions.

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.