BQ24352DSGR

Product Overview

Category

BQ24352DSGR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in battery charging and protection systems, providing efficient and reliable power management solutions.

Characteristics

• High efficiency: The BQ24352DSGR offers high charging efficiency, ensuring optimal use of power.
• Protection features: It incorporates various protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown, safeguarding the battery and the system.
• Compact package: The IC comes in a small form factor package, making it suitable for space-constrained applications.
• Low power consumption: It consumes minimal power during operation, contributing to energy efficiency.

Package and Quantity

The BQ24352DSGR is available in a small outline package (SOP) with 10 pins. It is typically sold in reels containing a specified quantity, usually around 2500 units per reel.

Specifications

• Input voltage range: 3.5V - 26V
• Output voltage range: 3.5V - 26V
• Charging current: Up to 2A
• Operating temperature range: -40°C to +85°C
• Standby current: Less than 1µA

Pin Configuration

The BQ24352DSGR has the following pin configuration:

1. VBUS: Input voltage from the power source
2. GND: Ground reference
3. BAT: Battery connection
4. TS: Thermal shutdown input
5. STAT: Status output indicating charging status
6. PG: Power good output
7. ISET: Current limit setting
8. D+/D-: USB data lines
9. ILIM: Current limit programming
10. EN: Enable control input

Functional Features

• Overvoltage protection: Monitors the input voltage and protects against excessive voltage levels.
• Overcurrent protection: Detects and limits the charging current to prevent damage to the battery or the system.
• Thermal shutdown: Activates when the temperature exceeds a specified threshold, preventing overheating.
• Charging status indication: Provides a status output signal indicating the charging state.
• Power good output: Signals when the power supply is within the desired range.
• Current limit programming: Allows customization of the charging current limit.

Advantages and Disadvantages

Advantages

• High charging efficiency ensures optimal use of power.
• Comprehensive protection features safeguard the battery and the system.
• Compact package enables usage in space-constrained applications.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited charging current capacity (up to 2A).
• Requires external components for complete battery charging and protection system implementation.

Working Principles

The BQ24352DSGR operates by monitoring the input voltage, current, and temperature to ensure safe and efficient charging. It regulates the charging current and voltage levels, protecting the battery from overcharging and the system from potential damage. The IC also provides status indications and power good signals for system monitoring and control.

Application Field Plans

The BQ24352DSGR finds extensive application in various fields, including: 1. Portable electronic devices: Used in smartphones, tablets, and portable gaming consoles for battery charging and protection. 2. Wearable devices: Enables efficient power management in smartwatches, fitness trackers, and other wearable gadgets. 3. Industrial equipment: Integrated into battery-powered industrial devices, ensuring reliable and safe charging. 4. Automotive systems: Utilized in electric vehicles and hybrid cars for battery charging and protection.

Alternative Models

For those seeking alternative options, the following models offer similar functionality: 1. BQ24075RGTR 2. LTC4054LES8-4.2 3. MCP73831T-2ATI/OT

These models provide comparable features and can be considered as alternatives to the BQ24352DSGR.

In conclusion, the BQ24352DSGR is a highly efficient integrated circuit designed for battery charging and protection applications. With its compact package, comprehensive protection features, and customizable current limit programming, it offers an excellent solution for various electronic devices and industrial systems.