BQ500211RGZR

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BQ500211RGZR is a high-power wireless charging transmitter that is part of the Wireless Power Transfer (WPT) solutions from Texas Instruments. It is a highly integrated broadcast-mode 5W Wireless Power Converter for a 5V regulated supply. The device is designed for use in medium to high power mobile applications such as smartphones, tablets and other mobile devices. It has a wide range of input voltage from 3.2V to 23V and an adjustable output current from 0.1A to 1.2A. It is also available in a dual-output version with a maximum output power of up to 10W. The BQ500211RGZR also features short-circuit protection, over-voltage protection, over-temperature protection, as well as external power path control.

The BQ500211RGZR can be used to power wireless charging applications, such as wireless power receivers. It is optimized to support resonant inductive protocols such as WPC 1.1 or A4WP Rezence. It is able to provide a wide range of power from 0.1W to 5W, depending on the target device. To achieve efficient wireless charging, BQ500211 RGZR includes power conversion stages, allowing for optimal power delivery in each stage for optimized efficiency and reduced thermal losses. The integrated digital power management allows for current and voltage monitoring as well as load sharing.

BQ500211RGZR’s application field is diverse. It is used in medium to high power devices such as smartphones and tablets, as well as wearable devices like smartwatches and fitness trackers. It is also used in automotive, industrial, and medical applications. It is an ideal choice for wireless charging applications, as it allows for wireless power transmission over large distances, even through obstacles.

The working principle of BQ500211RGZR is based on a type of magnetically coupled inductive power transfer known as “resonant” inductive power transfer. This technology enables energy transfer to take place through magnetic fields. The transmitter, which is connected to a power source, emits a magnetic field, which is detected by the receiver, which is connected to the device that is being charged. The transmitted energy is then converted by the receiver device into electrical energy that can be used to power the device.

The transmitter device contains a coil that is excited with a frequency that matches the resonant frequency of the receiver\'s coil. This frequency is precise enough to cause the magnetic fields created by the transmitter coil to transfer power to the receiver coil. As the transmitted energy is wirelessly transferred, it is also possible to transfer power over large distances even when there are obstacles in between. The efficiency of the transfer can be optimized by adjusting the strength of the magnetic field, as well as the frequency of the transmission.

In summary, BQ500211RGZR is a high-power wireless charging transmitter that is part of the Wireless Power Transfer (WPT) solutions from Texas Instruments. It is a highly integrated broadcast-mode 5W Wireless Power Converter for a 5V regulated supply, and is used in a wide range of applications from smartphones and tablets to automotive and medical applications. Its working principle is based on a type of magnetically coupled inductive power transfer known as “resonant” inductive power transfer, allowing energy to be wirelessly transferred to a device through a transmitter coil, which is then converted by the receiver device into electrical energy. As a result, this makes the BQ500211RGZR an ideal choice for wireless charging applications.

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