CDBWM8213-M-1

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Switching mode power supplies (SMPS) can be made much smaller and lighter than conventional linear power supplies, making them ideal for use in a wide range of applications. The CDBWM8213-M-1 is an evaluation and demonstration board and kit for use with PWM buck converters. With the easy to use graphical tool and Windows drivers included in the kit, developers can quickly establish a working system for applications such as notebook computers, digital TV’s, industrial power supplies and other low power, high efficiency SMPS components.

The CDBWM8213-M-1 comes with a full range of features, including an adjustable step down converter with overvoltage protection, adjustable output voltage, closed loop current mode control, frequency modulation, soft start, input voltage and current sense, temperature shut down and a USB interface. With these features, the CDBWM8213-M-1 is the perfect choice for designers of high efficiency power products.

The working principle of the CDBWM8213-M-1 is based on the use of a Pulse-Width Modulation (PWM) buck converter. An incoming DC signal is first converted to a square waveform by a PWM controller. When the PWM control signal is switched off, the current flow through the components is interrupted and thus the output voltage decreases. When the switch is turned on, the current flow resumes and the output voltage increases. The duty cycle or “on time” of the switch controls the output voltage.

The CDBWM8213-M-1 uses two feedback loops to regulate both the output current and voltage. The first feedback loop is a voltage loop which senses the output voltage and adjusts the PWM duty cycle accordingly. The second feedback loop is a current loop which senses the output current and adjusts the PWM duty cycle accordingly. The feedback loops work together to regulate both the output current and voltage and maintain a constant output voltage.

The CDBWM8213-M-1 is designed for applications such as notebook computers and digital TVs that require high efficiency and low output voltages. Its high switching frequency (up to 400KHz) makes it ideal for these applications. It also has an adjustable output voltage, frequency modulation and soft start features that can help maximize efficiency and reduce output ripple.

The CDBWM8213-M-1 is also well-suited for use in a wide range of industrial applications, as it is capable of powering components that require a wide range of input voltages and currents. It is designed to be robust and reliable, making it a good choice for applications such as Uninterruptible Power Supplies (UPS).

In summary, the CDBWM8213-M-1 evaluation and demonstration board and kit is an ideal choice for designers of high efficiency power products used in a variety of applications, such as notebook computers, digital TVs, and industrial power supplies. The board is easy to use, with a graphical tool and Windows drivers included, and comes with a range of features including adjustable output voltage, closed loop current mode control, frequency modulation, and soft start. It is also designed to be robust and reliable, making it a good choice for applications requiring Uninterruptible Power Supplies.

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