Texas Instruments

UCD90320UZWST  

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The Texas Instruments UCD90320UZWST is a highly integrated step-down converter, also known as a buck converter, that is designed to provide efficient and precise voltage regulation for a wide range of applications. Here is a description of the model, its features, and potential applications:

Description:

The UCD90320UZWST is a synchronous, step-down converter that offers high efficiency and low quiescent current. It is available in a compact, thermally enhanced, 16-pin, 3mm x 3mm USON package, making it suitable for space-constrained applications.

Features:

1. Input voltage range: 4.75V to 23V, making it suitable for applications with a wide range of input voltages.
2. Output voltage range: 0.9V to 95% of the input voltage, providing flexibility for various output voltage requirements.
3. High efficiency: Up to 96% efficiency, reducing power dissipation and improving overall system performance.
4. Low quiescent current: 2.5μA in run mode and 0.5μA in shutdown mode, which is ideal for battery-powered applications.
5. Synchronous rectification: Provides high efficiency and low output voltage ripple.
6. Programmable soft-start: Reduces inrush current and minimizes output voltage overshoot during startup.
7. Programmable output voltage: Allows for precise output voltage regulation using an external resistor.
8. Protection features: Over-current protection, over-temperature protection, and output short-circuit protection ensure reliable operation and system safety.
9. Small form factor: 16-pin, 3mm x 3mm USON package, suitable for space-constrained applications.

Applications:

1. Portable devices: Smartphones, tablets, and wearable electronics, where efficiency and low quiescent current are crucial for extending battery life.
2. IoT devices: Internet of Things devices, such as sensors and smart home appliances, where space and power efficiency are important.
3. Medical devices: Battery-powered medical devices, such as hearing aids and portable monitoring equipment, where low quiescent current and high efficiency are essential.
4. Industrial equipment: Power supplies for industrial control systems and sensors, where reliability and efficiency are critical.
5. Automotive applications: Infotainment systems, dashboard cameras, and other electronic devices in vehicles, where a wide input voltage range and robust protection features are necessary.

In summary, the Texas Instruments UCD90320UZWST is a versatile, high-efficiency step-down converter that offers a wide input voltage range, low quiescent current, and various protection features. It is suitable for a range of applications, including portable devices, IoT devices, medical devices, industrial equipment, and automotive applications.

UCD90320UZWST Documents

Download datasheets and manufacturer documentation for UCD90320UZWST

PCN Assembly/Origin :

Multiple Parts 28/Jul/2022      

Datasheets :

UCD90320U      

HTML Datasheet :

UCD90320U      

PCN Design/Specification :

Firmware Change 16/Dec/2022       UCD90320 FW Chg 21/Jun/2021