DS2438Z-S+T&R

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power management integrated circuits, commonly known as PMICs, are integrated circuits that provide energy, power and voltage regulation functions. As power management devices, they are quickly becoming integral components in modern electronics, allowing engineers to design their circuits more efficiently and with greater protection. In this article, we’ll take a look at one particular type of PMIC, the DS2438Z-S+T&R, and discuss the application field and working principle of this device.

Application Fieldof DS2438Z-S+T&R

TheDS2438Z-S+T&R is specifically designed to provide energy and power management in battery-based designs. It offers a unique combination of features that make it ideal for use in wireless and portable applications, including smart phones, tablets, and other devices. One of the main strengths of this device is its low quiescent current, at as little as 1µA only. This makes the DS2438Z-S+T&R a perfect choice for applications that require long battery life and efficient operation.

The DS2438Z-S+T&R also features a precision temperature sensor and a programmable voltage output that can be used to accurately monitor and manage the cell’s temperature and charge state. This is especially useful in applications such as battery packs and wearable electronics, where temperature and current assessment is critical.

The versatile reset output enables designers to configure reset thresholds, hysteresis values, and inactive time. The reset delays can be set up to 5.5 millisecond and are in the range of 0.5µA, making them suitable for battery-only applications.

Working Principle ofDS2438Z-S+T&R

The DS2438Z-S+T&R employs an internal voltage reference that is isolated from the battery voltage. This ensures that the device always measures the correct battery voltage regardless of the battery type or cell size. The programmable voltage output can be used to monitor the cell’s temperature and charge state. It can also be used as an alarm signal to notify the user when the battery voltage drops below a certain level. The programmable output can be set to any fixed voltages from 2V to 4.5V.

The device also features an open-drain output that provides a reset signal when the battery voltage drops below the low threshold voltage. This signal can be used to reset the system when the battery voltage drops below the programmed level. The reset time delays can also be configured to meet the specific needs of the application.

The temperature sensor in the DS2438Z-S+T&R is extremely accurate, providing temperature readings that are within a range of ± 0.5° Celsius. This makes it ideal for monitoring various thermal conditions in battery-based designs. The accurate voltage reference and temperature sensor are coupled with a wide temperature range of -40°C to 125°C, making the device a perfect choice for portable and embedded applications.

Conclusion

The DS2438Z-S+T&R is a power management integrated circuit designed for battery-based applications. It offers a wide range of features such as an ultra-low quiescent current, a precision temperature sensor, and an adjustable voltage output. These features combined, make the DS2438Z-S+T&R an ideal choice for applications such as smart phones, tablets, and other battery-powered devices.

The specific data is subject to PDF, and the above content is for reference