BQ24196RGET

Product Overview

Category

BQ24196RGET belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge lithium-ion batteries.

Characteristics

• High efficiency: The BQ24196RGET incorporates advanced charging algorithms and power management techniques to maximize charging efficiency.
• Fast charging: It supports various fast charging protocols, including USB Battery Charging Specification (BC 1.2), Apple® devices charging protocol, and others.
• Thermal regulation: The IC includes built-in thermal regulation mechanisms to prevent overheating during charging.
• Safety features: It incorporates multiple safety features like overvoltage protection, overcurrent protection, and short-circuit protection to ensure safe charging operations.
• Compact package: BQ24196RGET is available in a small-sized package, making it suitable for space-constrained designs.

Package and Quantity

The BQ24196RGET is packaged in a small outline package (SOP) with 24 pins. It is typically sold in reels or tubes containing a specified quantity, usually 250 or 300 units per reel/tube.

Specifications

• Input voltage range: 4.35V to 6.45V
• Charging voltage range: 3.5V to 4.44V
• Charging current range: Up to 3A
• Operating temperature range: -40°C to 85°C
• Efficiency: Up to 95%
• Standby current: Less than 100µA

Pin Configuration

The BQ24196RGET has 24 pins arranged as follows:

1. VBUS
2. AC/DPDM
3. AC/DM
4. TS
5. ISET
6. STAT
7. PG
8. CE
9. ILIM
10. TS/DP
11. TS/DM
12. VSS
13. VSS
14. VSS
15. VSS
16. VSS
17. VSS
18. VSS
19. VSS
20. VSS
21. VSS
22. VSS
23. VSS
24. VBAT

Functional Features

• USB OTG support: The BQ24196RGET can act as a USB On-The-Go (OTG) power source, allowing it to provide power to other devices.
• Battery temperature monitoring: It includes a temperature sensor to monitor the battery temperature during charging and adjust the charging parameters accordingly.
• Charge termination: The IC automatically terminates the charging process when the battery is fully charged, preventing overcharging.
• Power path management: BQ24196RGET enables simultaneous charging of the battery and powering the device from an external power source.

Advantages and Disadvantages

Advantages

• High charging efficiency ensures faster charging times.
• Support for various fast charging protocols makes it compatible with different devices.
• Compact package size allows for flexible design integration.
• Multiple safety features protect the battery and the device during charging.

Disadvantages

• Limited input voltage range may not be suitable for all applications.
• Requires careful thermal management to prevent overheating.

Working Principles

The BQ24196RGET operates based on a switching regulator architecture. It converts the input voltage to the required charging voltage using a high-frequency switching circuit. The charging current is controlled by adjusting the duty cycle of the switching circuit. The IC continuously monitors the battery voltage, temperature, and charging status to ensure safe and efficient charging.

Detailed Application Field Plans

The BQ24196RGET is widely used in various portable electronic devices, including smartphones, tablets, smartwatches, and wireless earbuds. Its fast charging capabilities and compact size make it suitable for applications where quick and efficient battery charging is essential.

Detailed Alternative Models

• BQ24192RGET
• BQ24193RGET
• BQ24194RGET
• BQ24195RGET

These alternative models are similar to the BQ24196RGET and offer comparable features and specifications. They can be considered as alternatives based on specific application requirements.

In conclusion, the BQ24196RGET is a highly efficient integrated circuit designed for battery charging applications in portable electronic devices. Its fast charging capabilities, safety features, and compact package make it a popular choice among device manufacturers.