BQ24750ARHDT

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A battery charger is an electronic device used to recharge batteries. They have been around for centuries, but in the last few decades, they have become increasingly important as consumers. BQ24750ARHDT is a Battery Charger IC (Integrated Circuit) developed by Texas Instruments Inc. It is designed to offer low-cost, high-performance, multi-chemistry battery charging and system power management. In this article, we will discuss the application field and working principle of BQ24750ARHDT.

The BQ24750ARHDT is used in many consumer electronic devices where extended battery life is required. It is ideal for charging Li-ion/Li-Polymer and NiMH/NiCd batteries. Its package size and pin configuration makes it easy to integrate into almost any product design. It is optimized for consumer electronics such as phones, tablets, and other portable electronics.

The BQ24750ARHDT has a wide input voltage range of 4.5V to 20V, making it suitable for USB, wall adapter, and car battery power sources. It supports up to 5A charge current and 4A discharge current, with a maximum continuous power of 250W. It also supports two-way buck-boost converters for wide input voltage ranges, as well as reverse-mode charging.

The BQ24750ARHDT utilizes a high-performance architecture to provide flexibility and versatility for rapid charging and efficient power management. It incorporates a current-controlled power management topology to ensure tight voltage regulation even during large load swings. It also supports up to three output voltages, allowing it to power a variety of devices such as displays, processors, and memory systems. To maximize charge acceptance and optimize power utilization, the charger also supports multiple peaks, float, and suspend modes.

Additionally, the BQ24750ARHDT includes a highly integrated USB Power Delivery interface. This allows the device to be connected to a variety of USB-C source ports including laptops, USB hubs, wall adapters, and chargers. The charger automatically command the USB-C source port to output the desired and optimal power levels. The device also supports programmable adapter control, which can be used to restrict the input current or limit the output power.

The BQ24750ARHDT contains multiple safety protections to protect the user and the charger from overcurrent, overtemperature, and overvoltage conditions. It also supports programmable embedded protections such as input OCP and output OCP and over-discharge, as well as pre-timeout, and pre-charge. This ensures that the charger is safe to use and does not overload or damage the Li-ion cells.

In summary, the BQ24750ARHDT is a feature-rich battery charger IC developed by Texas Instruments Inc. It is optimized for consumer electronic applications, and its wide input voltage range, high charge current, and USB PD interface make it suitable for almost any mobile device. It offers tight voltage regulation, low-cost, multi-chemistry charging and system power management, and multiple safety protections.

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