HBS066ZE-P1H

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DC-DC converters are ubiquitous in consumer and industrial applications; many of these electronic components are used in power management and regulation, while others are employed in switched-mode power conversion. The HBS066ZE-P1H is a high-efficiency, four-terminal DC-DC converter module that is gaining popularity for its ability to provide reliable and efficient power conversion in a wide range of applications. This article explores the application field and working principle of the HBS066ZE-P1H.

The HBS066ZE-P1H is a non-isolated, low-noise DC-DC converter that provides up to 96% efficiency, with a ripple-free switching current of only 0.125A r.m.s. It offers a wide input voltage range of 6 to 36V and a fixed output voltage of 12VDC. The built-in overvoltage, overcurrent and overtemperature protection, along with precise voltage and current regulation, makes the HBS066ZE-P1H suitable for a variety of application types, such as telecom, industrial, automotive, and LED lighting.

The device features variable frequency operation with a notable 2MHz switching frequency, which can be adjusted via an external resistor or potentiometer. It also features external synchronization of the switching frequency, enabling it to operate in parallel with other DC-DC modules. In addition, the module’s built-in soft-start feature reduces inrush current during start-up and the module also provides short-circuit and overload protection. The module boasts low voltage drain of only 1.2V, which helps ensure maximum efficiency.

In terms of its working principle, the HBS066ZE-P1H follows the basic principle of DC-DC conversion. The module is powered by an input DC voltage source and is set by an internal step-down converter to the desired output voltage. The internal converter is a switching type device that uses two sets of switching transistors, a high-side driver and a booster circuit. Depending on the input voltage and the output voltage, the internal converter switches the input voltage into a high-frequency pulse-width modulated (PWM) signal which then passes through the booster circuit.

The booster circuit is a inductive-capacitive device that steps down the input voltage to the desired output voltage. The inductive part of the booster is called the inductor and is used to store the energy generated by the switching transistors. The accompanying capacitor acts as a filter, smoothing out the voltage ripple of the PWM signal. The output signal is then amplified by the high-side driver, which increases the output current, before the output voltage is regulated by a feedback loop.

The PWM signal generated by the internal converter is controlled by adjusting the duty cycle and frequency of the switching circuit. For high efficiency, the duty cycle and frequency of the HBS066ZE-P1H must be optimally adjusted to ensure that the voltage drops and energy losses are minimized. The frequency of the module can be adjusted via an external resistor or a potentiometer, while its duty cycle can be varied by an external voltage.

In conclusion, the HBS066ZE-P1H is a versatile four-terminal DC-DC converter module that is gaining popularity for its high efficiency and versatile features. Its wide input voltage range and compact size make it suitable for a range of application types, from telecom to industrial, automotive, and LED lighting. It is able to deliver up to 96% efficiency and has a built-in overvoltage, overcurrent and overtemperature protection. In terms of working principle, the module follows the basic principle of DC-DC conversion, whereby the input voltage is switched into a PWM signal, which is then stepped down and regulated using an inductive-capacitive booster circuit. Thus, the HBS066ZE-P1H is a reliable and efficient power conversion solution.

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