사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Multi-Chemistry |
| NumberofCells | 1 ~ 4 |
| FaultProtection | Over Current, Over Voltage, Short Circuit |
| Voltage-Supply(Max) | 24V |
| Interface | SMBus |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 28-WFQFN Exposed Pad |
개요
Description
The BQ24780SRUYR is a highly integrated battery charge controller from Texas Instruments, designed primarily for notebook and ultrabook applications. It efficiently manages the charging of lithium-ion batteries using a synchronous switching regulator. Key features include dynamic power management (DPM), which optimizes the power distribution between the system and battery to prevent power throttling. The device supports a wide input voltage range and delivers high-precision charge current regulation. It includes features like battery detection, automatic power path selection, and integrated input current optimization. The BQ24780SRUYR also supports SMBus communication, allowing for flexible charging profiles and real-time monitoring. Its compact design and advanced power management capabilities make it suitable for portable electronics requiring efficient charging solutions.
Equivalent
The BQ24780SRUYR is a battery charger IC from Texas Instruments, commonly used in notebook and portable electronics applications. Equivalent products from other manufacturers might include:
1. MAX77960 from Maxim Integrated
2. LTC4162 from Analog Devices
3. ISL9238 from Renesas
These alternatives offer similar features like multi-cell charging, programmable parameters, and power path management. Always ensure compatibility with your specific application requirements before substituting.
1. MAX77960 from Maxim Integrated
2. LTC4162 from Analog Devices
3. ISL9238 from Renesas
These alternatives offer similar features like multi-cell charging, programmable parameters, and power path management. Always ensure compatibility with your specific application requirements before substituting.
Features
The BQ24780SRUYR is a highly integrated battery charge management IC from Texas Instruments, designed for use in notebook PCs and other portable devices. Key features include:
1. Battery Chemistry Compatibility: Supports multiple battery chemistries, including Li-Ion, Li-Polymer, and NiMH.
2. Programmable Charging: Offers adjustable charging current and voltage, allowing for precise control over the charging process.
3. I2C/SMBus Interface: Enables communication with a host processor for dynamic control and configuration.
4. Synchronous Buck Converter: Provides high efficiency for battery charging by reducing power loss.
5. Dynamic Power Management: Prioritizes system power needs over battery charging in cases of limited power availability.
6. Input Voltage Regulation: Protects the system from voltage overloading by managing the input voltage level.
7. Integrated MOSFET Drivers: Reduces component count and simplifies the design.
8. Safety Features: Includes over-voltage, over-current, and thermal protections to ensure safe operation.
These features make it an efficient solution for managing power in sophisticated electronic devices.
1. Battery Chemistry Compatibility: Supports multiple battery chemistries, including Li-Ion, Li-Polymer, and NiMH.
2. Programmable Charging: Offers adjustable charging current and voltage, allowing for precise control over the charging process.
3. I2C/SMBus Interface: Enables communication with a host processor for dynamic control and configuration.
4. Synchronous Buck Converter: Provides high efficiency for battery charging by reducing power loss.
5. Dynamic Power Management: Prioritizes system power needs over battery charging in cases of limited power availability.
6. Input Voltage Regulation: Protects the system from voltage overloading by managing the input voltage level.
7. Integrated MOSFET Drivers: Reduces component count and simplifies the design.
8. Safety Features: Includes over-voltage, over-current, and thermal protections to ensure safe operation.
These features make it an efficient solution for managing power in sophisticated electronic devices.
Pinout
The BQ24780SRUYR is a 24-pin IC, part of Texas Instruments' range of battery charge controllers. The primary function of this IC is to manage the charging of lithium-ion batteries, specifically in notebook, ultrabook, and similar portable devices. It supports various battery chemistries and is designed for high-efficiency, providing features like input voltage regulation, battery detection, and charging current control.
Key functions include:
- Battery charging control with programmable charge current and charge voltage.
- Dynamic Power Management (DPM) that reduces charge current when input power is limited.
- Adapter current and voltage monitoring.
- Battery detection and pre-charging for deeply discharged cells.
- Safety features like over-voltage protection and thermal regulation.
The BQ24780SRUYR's compact packaging and advanced features make it suitable for space-constrained applications requiring efficient power management.
Key functions include:
- Battery charging control with programmable charge current and charge voltage.
- Dynamic Power Management (DPM) that reduces charge current when input power is limited.
- Adapter current and voltage monitoring.
- Battery detection and pre-charging for deeply discharged cells.
- Safety features like over-voltage protection and thermal regulation.
The BQ24780SRUYR's compact packaging and advanced features make it suitable for space-constrained applications requiring efficient power management.
Manufacturer
The BQ24780SRUYR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a range of electronic components and integrated circuits. TI is well-known for its analog chips and embedded processors, which are used in various applications such as consumer electronics, automotive, industrial equipment, and communications. The company is recognized for its innovation and extensive portfolio of semiconductor products, serving a wide array of industries worldwide.
Application
The BQ24780SRUYR is a battery charge controller from Texas Instruments. It is primarily used in applications requiring efficient battery charging solutions, such as laptops, ultrabooks, tablets, and portable electronics. It is suitable for systems that require SMBus controlled battery charging with high-efficiency, multi-chemistry capabilities. The device supports battery charging in various portable devices that need intelligent power management and precise control over charging cycles to ensure battery longevity and performance. Its flexibility and programmability make it ideal for a wide range of portable and consumer electronic devices.
Package
The BQ24780SRUYR is housed in a VQFN (Very Thin Quad Flat No-lead) package with 28 pins. The package dimensions are typically 4 mm x 4 mm, making it suitable for compact applications where space-saving is essential.