Allicdata Part #: | RT9921DGQV-ND |
Manufacturer Part#: |
RT9921DGQV |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Richtek USA Inc. |
Short Description: | IC POWER MGMT VQFN |
More Detail: | PMIC |
DataSheet: | RT9921DGQV Datasheet/PDF |
Quantity: | 1000 |
Series: | * |
Part Status: | Last Time Buy |
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
RT9921DGQV application field and working principle
RT9921DGQV is a 2-channel Power Management IC (PMIC) that provides system power supply and power control functions. It supports a wide range of applications, from consumer to industrial and from wearable to IoT. RT9921DGQV is suitable for applications requiring power management of two power domains, such as a system of 13V and 5V.
Application Field
RT9921DGQV is ideal for applications requiring two separate power domains. It can provide power supply and device power control for consumer, industrial and IoT applications. It is also suitable for applications such as wearable and portable devices, TVs, STBs, monitors, automotive displays and tablets.
RT9921DGQV supports dynamic adjustable system power supply and current dynamic load sharing, making it suitable for small and light applications requiring low-power supply and multiple digital powering, as is often seen in portable applications. It is also suitable for applications requiring high efficiency and multiple channels and supports over temperature protection, making it ideal for use in high temperature environments.
RT9921DGQV is suitable for a range of devices, including LCD displays, OLED displays, and MEMS and digital cameras. It also supports LVDS, HDMI, MIPI and other displays, providing flexible power supply and control solutions for a variety of applications.
Working Principle
RT9921DGQV is a PMIC designed to provide system power and power control for two separate power domains. It is comprised of four main parts: the power supply circuit, the power control circuit, the protection circuit, and the MIPI control circuit.
The power supply circuit is the main power supply for the power domains. It is comprised of two synchronous buck converters, providing two step down currents with a wide output voltage range. The power control circuit is responsible for providing load current and voltage control, as well as over-voltage protection, over-temperature protection, and short-circuit protection.
The protection circuit provides additional protection against external power surges, while the MIPI control circuit controls the power supply and control signals. It also contains LED dimming, LED level adjust, and LED temperature compensation functions.
RT9921DGQV is designed to support low power consumption, multiple digital powering, and efficient current dynamic load sharing. Its power supply is designed for a wide range of applications, from consumer to industrial and from wearable to IoT. It is also suitable for use in high-temperature environments and supports LVDS, HDMI, MIPI, and other displays.
The specific data is subject to PDF, and the above content is for reference
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