BQ25303JRTER

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BQ25303JRTER

STANDALONE 1-CELL 17-V, 3.0-A BA

  • Производитель
  • Мфр. Часть #BQ25303JRTER
  • Пакет WQFN-16
  • Лист данных
  • В наличии6272

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Спецификации

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 1
Current-Charging Constant - Programmable
ProgrammableFeatures Current, Voltage
FaultProtection Over Current, Over Temperature, Over Voltage, Short Circuit
ChargeCurrent-Max 3A
BatteryPackVoltage 4.1V, 4.2V, 4.35V, 4.4V
Voltage-Supply(Max) 17V
Interface USB
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-WFQFN Exposed Pad

Обзор

Description

The BQ25303JRTER is a highly integrated battery charging management IC designed by Texas Instruments. It is used primarily to charge single-cell lithium-ion or lithium-polymer batteries. The IC features a high-efficiency, synchronous switching battery charger with a 4.0-V to 13.5-V input voltage range and supports fast charging capabilities, making it suitable for a variety of portable electronics.
Key features of the BQ25303JRTER include a programmable charge current of up to 3 A, integrated power path management, and dynamic power management, which ensures optimal charging while protecting the device from overcurrent conditions. It also provides features like thermal regulation, battery temperature sensing, and a safety timer to enhance reliability and safety during the charging process.
The IC is equipped with I2C communication for detailed control and monitoring, allowing developers to tailor the charging parameters to specific applications. Its compact size and efficient design make it ideal for use in space-constrained applications such as smartphones, tablets, and other portable devices. The BQ25303JRTER simplifies the design of charging circuits while ensuring high performance and enhanced battery protection.

Features

The BQ25303JRTER is a highly efficient, standalone, buck-boost battery charger designed for single-cell lithium-ion and lithium-polymer batteries. Key features include:
1. Wide Input Voltage Range: Supports 3.6V to 14V, making it compatible with USB and a variety of charging adapters.

2. Buck-Boost Operation: Efficiently manages the charging process across a wide range of input voltages, ensuring consistent performance.
3. Programmable Charge Parameters: Allows customization of current and voltage settings via external resistors, facilitating flexible charging solutions.
4. High Efficiency: Achieves up to 95% efficiency which helps in reducing thermal dissipation and enhancing battery life.
5. Integrated Power Path Management: Ensures uninterrupted power to the system by simultaneously managing battery charging and system load.
6. Safety Features: Includes over-voltage, over-current, and thermal protection mechanisms to safeguard both the device and the battery.
7. Compact Package: Available in a 3.5mm x 3.5mm QFN package, suitable for space-constrained applications.
This combination of features makes the BQ25303JRTER an ideal choice for portable and wearable electronics that require efficient and reliable battery management.

Package

The BQ25303JRTER is a battery charge management IC from Texas Instruments. It is typically available in a VQFN (Very Thin Quad Flat No-Lead) package type, specifically a 24-pin VQFN package. This package offers a compact form factor, making it suitable for space-constrained applications.

Pinout

The BQ25303JRTER is a single-cell battery charger IC developed by Texas Instruments. It comes in a 24-pin VQFN (Very Thin Quad Flat No-Lead) package. The primary function of this IC is to manage the charging process for single-cell lithium-based batteries, providing features such as high-efficiency power conversion, dynamic power path management, and USB compatibility. This IC supports fast charging and includes safety features like battery temperature monitoring, over-voltage protection, and fault indication. Key functional pins include input voltage, battery connection, charge status, and control interfaces for configuring charging parameters. For specific pin functions and detailed descriptions, consulting the datasheet is recommended.

Manufacturer

The BQ25303JRTER is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics globally. They are a leading producer of analog technology components and embedded processors. TI's products are widely utilized in applications across various sectors, including automotive, industrial, personal electronics, and communications equipment.

Application

The BQ25303JRTER is a highly efficient battery charger IC designed for fast charging applications. It is typically used in portable electronics such as smartphones, tablets, wearable devices, and IoT gadgets. Its applications include any device requiring compact, efficient, and reliable battery charging solutions, especially where space and power efficiency are critical.

Equivalent

The BQ25303JRTER is a battery charger IC from Texas Instruments. Equivalent products with similar functionality and specifications might include:
1. Microchip MCP73831: A popular linear charge management controller.
2. Analog Devices LTC4065: A standalone linear Li-Ion battery charger.
3. STMicroelectronics STC4054: A linear charger for single-cell Li-Ion batteries.
When considering alternatives, ensure compatibility with your specific design requirements, such as voltage, current, and package type.

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