Product Overview

BQ24650RVAR is a high-performance synchronous buck lithium-ion battery charger launched by Texas Instruments (TI), specifically designed for 2-4 series-connected lithium-ion/lithium-polymer batteries. It features a wide input voltage range, high charging efficiency, and comprehensive protection functions, making it widely suitable for scenarios such as portable devices, industrial terminals, and outdoor electronic equipment, providing stable and efficient charging solutions for devices. As an original TI BQ24650RVAR charger, its excellent performance and high reliability can meet various application requirements with strict demands on charging efficiency and safety, making it a highly competitive BQ24650RVAR lithium-ion battery charging chip in the current market.

Key Features

• Wide Input Voltage Range, Adaptable to Multiple Power Scenarios: Supports a wide input voltage range of 4.5V-28V, compatible with multiple power supply methods such as USB PD, adapters, and vehicle-mounted power supplies. No additional voltage conversion module is required, improving circuit design flexibility and giving full play to the adaptability advantages of BQ24650RVAR.
• High Charging Efficiency, Low Power Consumption Design: Under the synchronous buck architecture, the maximum charging efficiency reaches 96%, effectively reducing energy loss during charging, lowering device heat generation, extending the service life of the BQ24650RVAR charger, and improving the device's battery life experience.
• Flexible Charging Configuration, Adaptable to Multiple Battery Cells: Supports charging of 2-4 series-connected lithium-ion/lithium-polymer batteries. The charging current can be flexibly set through an external resistor (maximum 5A), meeting the fast charging needs of batteries with different capacities and adapting to various devices using the BQ24650RVAR chip.
• Comprehensive Protection Functions, Safe and Reliable: Integrates multiple protection mechanisms such as overvoltage protection (OVP), overcurrent protection (OCP), overtemperature protection (OTP), and battery reverse connection protection. It can real-time monitor the charging status, avoid damage to BQ24650RVAR and batteries caused by abnormal conditions, and ensure the safe operation of devices.
• Miniaturized Package, Saves PCB Space: Adopts VQFN-20 package (3mm×3mm), which is small in size, effectively reducing the space occupied by the circuit board. It is suitable for applications with strict size requirements such as portable devices and handheld terminals, improving the integration of the BQ24650RVAR charging solution.

Technical Specifications

Typical Applications

• Portable Medical Devices: In medical devices such as blood glucose meters and portable ECG monitors, BQ24650RVAR can adapt to the commonly used adapters or power banks for medical devices with its wide input voltage adaptation and high charging efficiency. At the same time, its precise charging voltage control (±0.5% accuracy) can avoid overcharging of batteries, ensuring stable power supply for medical devices in emergency situations and ensuring accurate and reliable detection data.
• Industrial Handheld Terminals: For industrial barcode scanners, data collectors, and other handheld terminals, the 5A high-current fast charging supported by the BQ24650RVAR charger can greatly shorten the device charging time, meeting the high-frequency use needs of devices in industrial scenarios. Its wide temperature operating range of -40℃-85℃ can adapt to complex industrial environments such as factory workshops and warehouses, improving the durability of terminal devices.
• Consumer Electronic Devices: In consumer products such as portable Bluetooth speakers and action cameras, the miniaturized VQFN package of the BQ24650RVAR chip can save internal space of the device, contributing to the lightweight and thin design of the product. At the same time, high charging efficiency can reduce heat generation during device charging, improving user experience and adapting to the dual needs of consumer electronics for performance and appearance.
• Smart Home Devices: For smart home products such as wireless vacuum cleaners and sweeping robot accessories (e.g., charging bases), the comprehensive protection functions of BQ24650RVAR can prevent damage to the device during long-term charging or voltage fluctuations. Its flexible charging current setting can also adapt to batteries of different capacities, ensuring the continuous and stable operation of smart home devices and reducing user maintenance costs.
• Outdoor Electronic Devices: In outdoor devices such as outdoor flashlights and portable power banks, the 4.5V-28V wide input voltage of the BQ24650RVAR lithium-ion battery charger can adapt to multiple outdoor power supply methods such as solar panels and vehicle-mounted power supplies, solving the problem of unstable outdoor power supply. At the same time, the high-reliability design can cope with harsh conditions such as large temperature differences and humidity changes outdoors, ensuring the normal use of devices in outdoor scenarios.

Why Choose BQ24650RVAR ?

• Original TI Quality, Reliable Guarantee: As BQ24650RVAR produced by Texas Instruments (TI) original factory, its chip adopts mature semiconductor technology and undergoes strict quality inspection, with a failure rate of less than 0.1%. Compared with third-party alternative products, it can significantly improve the long-term operation stability of devices and reduce after-sales maintenance costs.
• High Cost-Effectiveness, Reduce Solution Costs: The BQ24650RVAR charger integrates a synchronous buck architecture and multiple protection functions, without the need for additional protection chips or buck modules. It can reduce the number of peripheral components (reducing more than 30% of components compared with discrete solutions), simplify circuit design, and reduce overall solution costs, improving product market competitiveness.
• Flexible Adaptability, Cover Multiple Application Needs: It supports 2-4 battery cells charging and 4.5V-28V wide input, which can adapt to multiple scenarios from small consumer electronics (2 battery cells) to large outdoor devices (4 battery cells). There is no need to develop separate charging solutions for different devices, greatly shortening the product development cycle and improving the reusability of the BQ24650RVAR solution.
• High Efficiency and Energy Saving, Meet Green Standards: The maximum 96% charging efficiency can reduce energy loss, complying with global green energy standards (such as ENERGY STAR). In mass application scenarios (such as industrial terminal clusters), it can significantly reduce overall energy consumption, save electricity costs for enterprises, and reduce the impact of device heat generation on the environment.
• Comprehensive Technical Support, Worry-Free R&D: TI provides comprehensive technical documents (including reference designs, PCB layout guidelines) and online technical support for BQ24650RVAR. Engineers can quickly obtain design resources and solve technical problems during R&D. Compared with products without technical support, the R&D cycle of the charging solution can be shortened by more than 20%.

SUNTOP COMPANY INTRODUCTION

Founded in 2000, Suntop is one of the leading global distributors of electronic components, dedica ted to providing comprehensive procurement and supply chain services to the global electronics manufacturing industry. Our services include distribution, spot trading, PPV cost-saving projects, and inventory management. We not only offer high-quality products but also strive to assist our clients in achieving optimal solutions with minimal time and cost.
As a trusted partner for numerous OEMs, ODMs, CEMs, and EMS companies worldwide, our professional team manages millions of component records from thousands of trading partners across dozens of countries daily through our company database. We maintain close business relationships with major factories and distributors in North America, Europe, and Asia to ensure that our clients stay ahead in a highly competitive market.