WM8326GEFL00E/V

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WM8326GEFL00E/V and its Applications

WM8326GEFL00E/V is a specialized power management integrated circuit (PMIC) with a broad range of functions and applications. It is designed to enable complex and comprehensive power management for advanced embedded systems. This specific device features an integrated DC-DC synchronous buck regulator, up to 8 pulse width modulation (PWM) controllers, single voltage regulator (SVR) with low quiescent current, a programmable boosting converter, and a low-end power monitor and regulator (LP MOR) with wide input supply range.

This PMIC is suitable for applications that need to minimize board space while providing high efficiency. It is designed to handle a high degree of integration, with a wide range of other features and applications such as integrated power path control with MOSFETs, FETs and transistors for applications such as motor control, sensors, wireless and SoC power management. It is also compatible with a variety of voltages, current and temperature ranges for a wide range of applications.

The WM8326GEFL00E/V integrates these features into a package that measures a mere 7.15 millimeters × 7.15 millimeters . Its 300 mil (7.62 mm) ball pitch allows for simple and efficient circuit board traces and hand soldering.

Working Principle

The WM8326GEFL00E/V employs a unique buck converter architecture, with a voltage buck regulator that can control the output supply voltage by precisely regulating the duty cycle of the converter in relation to the input supply voltage. This results in a precise, highly controllable power output with efficiencies higher than 95%, making it ideal for low-power applications. This buck regulator can also be programmed to operate in pulse width modulation (PWM) mode, allowing for an increased output voltage range for applications that require it.

In addition to the buck converter, the WM8326GEFL00E/V also features up to 8 PWM channels, each with independent programming and operation settings. These PWM channels can be used for various applications such as fan control, motor control, light dimming, and LED strips, among others. With selectable frequency and variable duty cycle, these PWM channels can be used for precise control over the output voltages in different applications.

The low power monitor and regulator (LP MOR) provides a comprehensive system to monitor and regulate the input supply voltage, allowing it to maintain a steady voltage output over a wide range of voltage and temperature. This provides a level of reliability, as well as an improved power output efficiency.

The single voltage regulator (SVR) provides an efficient, low quiescent current output, with a wide range of programming capabilities. This makes it suitable for a variety of applications, such as charging and powering applications, embedded systems and SoC power management.

The on-chip programmable booster converter provides a controlled, high output voltage. It uses a single or multiple stages to step up the output voltage in line with the input voltage. This is primarily used in scalable power regulation and systems that require high output voltages.

Conclusion

The WM8326GEFL00E/V is an efficient and impressive PMIC that offers a wide range of features and applications for advanced, low power embedded systems. It features a buck converter, up to 8 PWM channels, an LP MOR, an SVR and a programmable booster converter, providing highly precise and efficient power output for various missions-critical applications.

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