BQ24133RGYR - English Editing Encyclopedia Entry

Product Overview

Category

The BQ24133RGYR belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for managing power in portable electronic devices, such as smartphones, tablets, and other battery-powered devices.

Characteristics

• The BQ24133RGYR is a highly efficient power management IC that enables fast charging and optimal power delivery.
• It incorporates various features like voltage regulation, current control, and thermal protection to ensure safe and reliable operation.
• This IC supports multiple charging modes, including constant current and constant voltage, to accommodate different battery chemistries and charging requirements.

Package and Quantity

The BQ24133RGYR is available in a small outline package (SOP) with 20 pins. It is typically supplied in tape and reel packaging, making it suitable for automated assembly processes. The quantity per reel is usually 2500 units.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Output Voltage Range: 3.5V to 4.44V
• Charging Current Range: Up to 2A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BQ24133RGYR has a total of 20 pins. Here is a detailed pin configuration:

1. VBUS: Input voltage from the USB port
2. AC/DC: Input voltage from an AC adapter or DC power source
3. PGND: Power ground
4. STAT: Status output pin
5. TS: Thermal sensing input
6. ISET: Charging current setting pin
7. EN: Enable pin to control device operation
8. VBAT: Battery voltage output
9. SYS: System voltage output
10. TS/NTC: Thermal sensing or NTC input
11. BATFET: Battery FET control pin
12. SRN: Serial interface receive data
13. SCLK: Serial interface clock
14. SDATA: Serial interface data
15. INT: Interrupt output pin
16. ILIM: Input current limit setting pin
17. TS2: Second thermal sensing input
18. TS1: First thermal sensing input
19. GND: Ground
20. VCC: Power supply voltage

Functional Features

• Fast Charging: The BQ24133RGYR supports high charging currents, enabling faster charging times for compatible devices.
• Thermal Protection: This IC incorporates thermal sensing inputs to monitor the temperature and prevent overheating during charging.
• Voltage Regulation: It ensures a stable output voltage to protect the connected device's battery from overcharging or undercharging.
• Current Control: The BQ24133RGYR allows precise control of the charging current, optimizing the charging process for different battery types.
• Status Monitoring: The STAT pin provides information about the charging status, allowing the device to display appropriate indicators.

Advantages and Disadvantages

Advantages

• High charging efficiency results in reduced charging times.
• Multiple charging modes support various battery chemistries.
• Comprehensive thermal protection prevents damage due to overheating.
• Precise current control optimizes charging for different batteries.
• Small package size and tape-and-reel packaging facilitate automated assembly processes.

Disadvantages

• Limited input voltage range may not be suitable for all power sources.
• The number of pins may require careful PCB layout considerations.

Working Principles

The BQ24133RGYR operates by regulating the input voltage and current to provide an optimized charging profile for the connected battery. It uses a combination of voltage and current control techniques to ensure efficient and safe charging. The IC constantly monitors the battery's voltage, temperature, and charging status to adjust the charging parameters accordingly.

Detailed Application Field Plans

The BQ24133RGYR is widely used in various portable electronic devices, including smartphones, tablets, portable media players, and handheld gaming consoles. It is particularly suitable for applications where fast charging and reliable power management are essential.

Detailed Alternative Models

• BQ24132RGYR
• BQ24134RGYR
• BQ24135RGYR
• BQ24136RGYR

These alternative models offer similar functionality and characteristics to the BQ24133RGYR, providing flexibility in design and compatibility with different system requirements.

In conclusion, the BQ24133RGYR is a highly efficient power management IC designed for fast charging and optimal power delivery in portable electronic devices. Its comprehensive features, compact package, and reliable performance make it a popular choice among manufacturers seeking high-quality power management solutions.

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