XR76208ELTR-Q

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The XR76208ELTR-Q is the latest high-performance DC-DC switching regulator from the Power Management Integrated Circuit (PMIC) family. Designed to optimize system efficiency, the XR76208ELTR-Q is suitable for a variety of high-power applications, yet it provides the flexibility to meet the diverse requirements of various applications. This article examines the application fields, working principle and other key features of the XR76208ELTR-Q.

Application Fields

The XR76208ELTR-Q is a DC-DC switching regulator designed for use in consumer electronics, industrial, medical, and automotive applications. Even requirements for greater power, higher levels of efficiency and greater precision for current and voltage regulation can be met with the XR76208ELTR-Q. In consumer electronics it is particularly useful for audio electronics, DVD players and for digital wallets, for instance. It would be also used in automotive applications such as motor control and power management for electric vehicles.

Key features of the XR76208ELTR-Q include: a multi-phase output buck architecture; integrated high-side and low-side MOSFETs; multiple loop controllers; a constant-on-time control that ensures reliable semi-synchronous rectification and eliminates the need for external control elements; ability to operate over a wide range of voltage and current levels; precision power monitoring; built-in protection; and the ability to support multiple hardware platforms, enabling a fast and reliable implementation.

Working Principle

The XR76208ELTR-Q employs a multi-phase output buck architecture, in which each phase uses a pair of MOSFETs as the switching elements. The high side MOSFET is connected to the input voltage and the low side MOSFET is connected to the output voltage. When the high side MOSFET is on, the MOSFETs are usually turned on with a signal from the controller, meaning power flows from the input voltage to the output voltage. When the low side MOSFET is on, power is diverted from the output voltage to the ground, meaning the power flows from the input voltage to the ground.

The controller is responsible for regulating the output voltage. This is done by monitoring the output voltage and taking feedback through a feedback loop. If the output voltage is too low, a signal is sent to the high side MOSFET to drive it on, meaning that power is diverted to the output voltage. If the output voltage is too high, the signal is sent to the low side MOSFET, diverting power from the output voltage to the ground.

The XR76208ELTR-Q also uses a constant-on-time control that ensures reliable semi-synchronous rectification and eliminates the need for external control elements. It also has built-in protection features and can support multiple hardware platforms, making for a fast and reliable implementation. In addition, the device has a wide working range and can provide precise power monitoring and voltage regulation.

Conclusion

The XR76208ELTR-Q is a high-performance DC-DC switching regulator from the PMIC family. It is designed for a variety of applications, including consumer electronics, industrial, medical, and automotive, and is suitable for high-power applications, such as for motor control and power management for electric vehicles. The working principle relies on a multi-phase output buck architecture and the constant-on-time control ensures reliable semi-synchronous rectification, thereby eliminating the need for external control elements. The device also boasts a wide range of current and voltage regulation and precise power monitoring.

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