BQ25731RSNR

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BQ25731RSNR

I2C 1-5 CELL NVDC BUCK-BOOST BAT

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  • Mfr. Parte #BQ25731RSNR
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Especificaciones

Part Status Active
Battery Chemistry Multi-Chemistry
Number of Cells 1 ~ 5
Current - Charging Constant - Programmable
Programmable Features Current, Voltage
Fault Protection Over Current, Over Temperature, Over Voltage
Charge Current - Max 16.2A
Battery Pack Voltage 9V ~ 12.6V
Voltage - Supply (Max) 26V
Interface I2C
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 32-WFQFN Exposed Pad
Supplier Device Package 32-QFN (4x4)
Base Product Number BQ25731

Descripción general

Description

The BQ25731RSNR is a highly integrated battery management solution designed for portable devices. It functions as a power path management IC that efficiently manages the charging and discharging of lithium-ion and lithium-polymer batteries. Key features include:
1. Flexible Charging Options: Supports USB Type-C and USB PD (Power Delivery) input sources, allowing for fast charging and power management.
2. Single Cell Operation: Ideal for single-cell battery applications, providing precise control of battery voltage and current.
3. Integrated FETs: The device includes integrated power FETs, reducing the need for external components and saving PCB space.
4. Dynamic Power Path Management: Allows simultaneous battery charging and system operation, optimizing power usage and enhancing battery life.
5. Thermal Protection: Includes features to protect against overheating, ensuring safe operation during charging and discharging cycles.
Overall, the BQ25731RSNR is well-suited for smartphones, tablets, and other portable electronics, offering efficient power management and extended battery life.

Features

The BQ25731RSNR is a highly integrated battery charger IC designed for lithium-ion and lithium-polymer batteries. Key features include:
1. High Efficiency: Supports up to 5A charging current with minimal power loss.
2. Input Voltage: Accepts a wide input voltage range from 4.5V to 28V, making it versatile for various power sources.
3. Buck-Boost Converter: Integrated buck-boost functionality allows for efficient operation in various battery states (charging and discharging).
4. I2C Interface: Provides programmable settings and real-time monitoring through an I2C interface, enhancing flexibility and control.
5. Battery Protection: Features overvoltage, overcurrent, and thermal protection to ensure safe operation.
6. Integrated FETs: Includes internal MOSFETs to simplify design and reduce component count.
7. Thermal Management: Supports thermal regulation to optimize charging in high-temperature environments.
8. Status Indicators: Provides various status indicators for easy monitoring of charging status and fault conditions.
Overall, the BQ25731RSNR is designed for efficient, safe, and flexible battery charging in portable applications.

Package

The BQ25731RSNR is packaged in a 4mm × 5mm QFN (Quad Flat No-lead) package. This compact package type allows for efficient thermal performance and reduced footprint, making it suitable for space-constrained applications.

Pinout

The BQ25731RSNR is a highly integrated battery charger and power management IC from Texas Instruments. It features a total of 32 pins.
Key functions of the BQ25731RSNR include:
1. Battery Charging: It supports various charging modes and is capable of charging single-cell lithium-ion batteries.
2. Buck Converter: It includes a synchronous buck converter for efficient power management.
3. Power Path Management: It enables simultaneous charging and system load operation.
4. I2C Interface: The device can be communicated with using an I2C interface for configuration and monitoring.
5. Protection Features: It has built-in protection features such as thermal regulation, overvoltage, and overcurrent protection.
The BQ25731RSNR is suitable for portable devices and other applications requiring efficient battery management and charging solutions.

Manufacturer

The BQ25731RSNR is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. Founded in 1930, the company is a leader in the field of analog electronics and digital signal processing, providing innovative solutions for a wide range of applications including automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to research and development, offering a broad portfolio of products that includes power management devices, microcontrollers, and sensors. The BQ25731RSNR specifically is a battery charger IC designed for applications such as portable devices and electric vehicles, showcasing TI's expertise in power management solutions.

Application

The BQ25731RSNR is a highly integrated battery charger and power management IC designed for portable devices. Its application areas include smartphones, tablets, laptops, and battery-operated equipment. It supports USB Type-C and USB Power Delivery for efficient charging, enabling fast battery charging and power routing in consumer electronics, wearables, and IoT devices. The device is suitable for systems requiring high efficiency and compact size, making it ideal for modern mobile applications.

Equivalent

The BQ25731RSNR chip from Texas Instruments is a battery charger and power management IC. Equivalent products include the BQ25730, BQ25732, and BQ25733 from the same family, which offer similar functionalities with minor variations in features or specifications. Additionally, consider alternatives from other manufacturers like the LTC4020 from Analog Devices or the MCP73831 from Microchip, depending on specific application requirements. Always check detailed datasheets for compatibility.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

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1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria