BQ24314ADSGRG4

Product Overview

Category

BQ24314ADSGRG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for battery charging and protection in portable electronic devices such as smartphones, tablets, and wearable devices.

Characteristics

• Integrated circuit for power management
• Battery charging and protection functionality
• Compact and efficient design
• High level of integration
• Low power consumption

Package

The BQ24314ADSGRG4 is available in a small package, typically a 10-pin VSON (Very Small Outline No-Lead) package. This package offers a compact form factor suitable for space-constrained applications.

Essence

The essence of the BQ24314ADSGRG4 lies in its ability to efficiently manage battery charging and provide protection against overcharging, over-discharging, and short circuits. It ensures safe and reliable operation of portable electronic devices.

Packaging/Quantity

The BQ24314ADSGRG4 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 3.5V to 26V
• Charging Current Range: Up to 2A
• Operating Temperature Range: -40°C to 85°C
• Overvoltage Protection Threshold: Adjustable from 3.9V to 22V
• Undervoltage Lockout Threshold: Adjustable from 2.6V to 20V
• Short Circuit Protection: Yes
• Thermal Shutdown Protection: Yes

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. BAT: Battery connection pin
4. TS: Thermistor input pin for temperature monitoring
5. STAT: Status output pin indicating charging status
6. PG: Power good output pin indicating successful charging
7. ISET: Current limit setting pin
8. EN: Enable pin for enabling/disabling the device
9. ILIM: Current limit programming pin
10. VREG: Regulated output voltage pin

Functional Features

• Battery charging with adjustable current limit
• Overvoltage and undervoltage protection
• Short circuit protection
• Thermal shutdown protection
• Status indication through output pins
• Adjustable charging parameters for customization

Advantages and Disadvantages

Advantages

• High level of integration reduces external component count
• Compact package size suitable for space-constrained applications
• Adjustable charging parameters provide flexibility
• Comprehensive protection features ensure safe operation

Disadvantages

• Limited charging current range (up to 2A)
• Not suitable for high-power charging applications

Working Principles

The BQ24314ADSGRG4 operates by regulating the charging current and monitoring the battery voltage. It uses a combination of internal control circuitry and external components to manage the charging process. The device continuously monitors the battery voltage and adjusts the charging current accordingly to prevent overcharging or undercharging. It also provides protection against short circuits and thermal events.

Detailed Application Field Plans

The BQ24314ADSGRG4 is widely used in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable gaming consoles - Bluetooth headsets - Portable medical devices

Detailed and Complete Alternative Models

1. BQ24075RGTR: Similar functionality with a higher charging current range of up to 3A.
2. BQ24232RGTR: Integrated USB OTG (On-The-Go) functionality along with battery charging and protection features.
3. BQ24040DSQT: Lower-cost alternative with basic battery charging and protection functionality.

These alternative models offer similar features and can be considered based on specific application requirements and cost considerations.

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