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BQ24735RGRR - English Editing Encyclopedia Entry
Product Overview
Category
BQ24735RGRR belongs to the category of power management integrated circuits (PMICs).
Use
This PMIC is primarily used for battery charging and system power management in portable electronic devices.
Characteristics
- Efficient power conversion and charging capabilities
- Advanced protection features for safe operation
- Compact package for space-constrained designs
- High reliability and performance
Package and Quantity
The BQ24735RGRR is available in a small outline package (SOP) with 20 pins. It is typically sold in reels, with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V to 24V
- Output Voltage Range: 3.3V to 25.2V
- Charging Current Range: Up to 8A
- Operating Temperature Range: -40°C to +85°C
- Efficiency: Up to 95%
- Protection Features: Overvoltage, overcurrent, and overtemperature protection
Pin Configuration
The BQ24735RGRR has a total of 20 pins. The pin configuration is as follows:
- VIN: Input voltage
- GND: Ground
- ACOK: AC adapter present indicator
- ACSEL: AC adapter selection input
- SRN: System reset output
- VREF: Reference voltage output
- BAT: Battery voltage output
- TS: Thermistor input for temperature monitoring
- ISET: Charging current setting input
- PROCHOT: Processor hot signal input
- SDA: I2C data line
- SCL: I2C clock line
- INT: Interrupt output
- STAT: Status output
- ILIM: Input current limit setting input
- VCC: Power supply for internal circuitry
- TS2: Second thermistor input
- SDA2: Second I2C data line
- SCL2: Second I2C clock line
- VSS: Ground
Functional Features
- Dynamic power path management for simultaneous charging and system operation
- High-efficiency synchronous buck-boost charger architecture
- Programmable charging profiles for various battery chemistries
- Integrated protection features for safe charging and operation
- I2C interface for configuration and monitoring
Advantages and Disadvantages
Advantages
- Efficient power conversion and charging capabilities
- Advanced protection features ensure safe operation
- Compact package suitable for space-constrained designs
- Wide input and output voltage range for versatility
- Programmable charging profiles for different battery types
Disadvantages
- Limited charging current compared to some high-power applications
- Requires external components for complete functionality
- Relatively complex pin configuration may require careful PCB layout
Working Principles
The BQ24735RGRR operates based on a synchronous buck-boost charger architecture. It dynamically manages the power path between the input source (AC adapter or USB) and the battery, allowing simultaneous charging and system operation. The device regulates the charging current and voltage according to the programmed charging profile and monitors various parameters to ensure safe operation.
Application Field Plans
The BQ24735RGRR is widely used in portable electronic devices such as smartphones, tablets, laptops, and handheld gaming consoles. Its efficient power conversion and charging capabilities make it suitable for applications where battery life and performance are critical.
Alternative Models
- BQ24725RGRR
- BQ24740RGRR
- BQ24750RGRR
- BQ24765RGRR
- BQ24780RGRR
These alternative models offer similar functionality and characteristics, providing options for different design requirements.
In conclusion, the BQ24735RGRR is a power management integrated circuit designed for battery charging and system power management in portable electronic devices. Its efficient operation, advanced protection features, and compact package make it an ideal choice for various applications.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BQ24735RGRR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of BQ24735RGRR in technical solutions:
Q: What is the BQ24735RGRR? A: The BQ24735RGRR is a battery charger IC designed for use in portable devices, such as laptops, tablets, and smartphones.
Q: What is the input voltage range supported by the BQ24735RGRR? A: The BQ24735RGRR supports an input voltage range of 4.5V to 24V.
Q: What is the maximum charging current supported by the BQ24735RGRR? A: The BQ24735RGRR can support a maximum charging current of up to 8A.
Q: Does the BQ24735RGRR support multiple battery chemistries? A: Yes, the BQ24735RGRR supports multiple battery chemistries, including lithium-ion (Li-Ion), lithium-polymer (Li-Po), and nickel-metal hydride (NiMH).
Q: Can the BQ24735RGRR charge multiple batteries simultaneously? A: Yes, the BQ24735RGRR can charge multiple batteries simultaneously, provided they are connected in parallel.
Q: Does the BQ24735RGRR have built-in safety features? A: Yes, the BQ24735RGRR incorporates various safety features, such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can the BQ24735RGRR operate in a wide temperature range? A: Yes, the BQ24735RGRR is designed to operate in a wide temperature range, typically from -40°C to +85°C.
Q: Does the BQ24735RGRR support USB Power Delivery (USB-PD)? A: No, the BQ24735RGRR does not support USB-PD. It is primarily designed for traditional charging applications.
Q: What is the package type of the BQ24735RGRR? A: The BQ24735RGRR is available in a 32-pin VQFN package.
Q: Are there any evaluation modules or reference designs available for the BQ24735RGRR? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help developers quickly prototype and integrate the BQ24735RGRR into their systems.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.