TEA1703T/N1,118

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Power management integrated circuits (PMICs) are an essential component of any device, providing improved system control and energy savings. PMICs are used in a broad application range, including consumer, automotive, military and industrial markets. Among all the PMIC families, the power supply controllers, monitors and regulators (TEA1703T/N1,118) are designed to control, monitor and regulate power supply to the target device. This article will cover the application field and working principles of TEA1703T/N1,118 power supply controllers, monitors and regulators.

Application Field of TEA1703T/N1,118

TEA1703T/N1,118 is a low-cost, high-efficiency and high-voltage power supply controller, monitor and regulator. It is designed for use in automotive and industrial applications, providing improved power supply control and system efficiency. The device supports a wide input voltage range from 9V to 90V and is able to adjustoutput voltage from 0.3V to 5V. It offers a wide range of power-saving features, including over-voltage protection, under-voltage protection, short-circuit protection, over-temperature protection and thermal-trip protection. It also features a single-switch power management architecture with open bias control, allowing the system to operate in a near-constant voltage mode while decreasing the power-on delay.In addition, TEA1703T/N1,118 features an advanced load line technology, which helps to prevent damage to the system due to high load current and reduce power dissipation. Its integrated phase compensation system ensures stable voltage output and minimized output voltage ripple even at high load currents. Its linear voltage regulation mode can be set up to guarantee a stable output voltage even when the input voltage is changing.TEA1703T/N1,118 is also ideal for applications requiring a fast response time and high current regulator, such as battery backups, lighting controllers and audio amplifiers. It is also suitable for use in consumer, automotive, military and industrial applications.

Working Principle of TEA1703T/N1,118

The working principle of TEA1703T/N1,118 is based on the open bias control, which uses a single switch to switch the device on and off. The device will turn on when the input voltage reaches a certain value, and will turn off when the input voltage drops below a certain value. The open bias control feature helps to reduce the power-on delay, as well as to minimize power dissipation and reduce system size.When the device is turned on, the output voltage is regulated by the internal current sensing circuitry. The internal current sensing circuitry monitors the output current and adjusts the output voltage accordingly. This ensures that the output voltage remains stable and does not fluctuate even when the input voltage changes.The built-in over-voltage protection, under-voltage protection, short-circuit protection, over-temperature protection and thermal-trip protection functions help to protect the system from electrical shocks and damage caused by over-voltage, under-voltage, short-circuit, over-temperature or other electrical anomalies. The device also features ESD immunity and EMI filtering to further protect the system from electrostatic and electromagnetic interferences.TEA1703T/N1,118 is designed with a high efficiency power supply design and low power dissipation, making it a perfect choice for applications with limited available space, such as portable and battery-powered devices. It also features an ultra-low power-on-reset start-up to reduce power consumption in standby mode.

Conclusion

TEA1703T/N1,118 is a versatile and highly efficient power supply controller, monitor and regulator that can be used in a wide range of applications. It is designed to provide improved power supply control and system efficiency and offers a comprehensive set of protection features. Its advanced power supply design, low power dissipation and low start-up power consumption make it ideal for powering all types of portable, automotive and industrial devices.

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