TPS65921B1ZQZ

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The TPS65921B1ZQZ is a highly integrated and cost-effective Power Management IC (PMIC) designed for use in small form factor devices that require power optimization and efficient performance. The TPS65921B1ZQZ provides all necessary functions and features to satisfy the power delivery needs of a wide range of application markets, such as healthcare/imaging, smart displays, wearables, and other battery-operated applications. This PMIC also supports power sequencing, voltage monitoring, and fault monitoring functions to ensure system integrity and accurate control.

The TPS65921B1ZQZ incorporates a PMIC core that is capable of providing up to 8 fully protected regulator output channels with standalone or cascade power sequencing. This PMIC supports both I2C and SPI interface, allowing dynamic configuration of its configuration registers. The voltage monitoring function of this device enables the controller to detect hardware and system configuration changes, allowing for dynamic power configuration. The on-chip fault monitoring features and dedicated power outputs also provide an extra layer of protection against over-current, over-voltage, over-temperature and over-power conditions.

The TPS65921B1ZQZ is a robust and highly efficient PMIC, with a power efficiency rating of up to 95%. Its wide range of power regulation, sequencing and monitoring functions make it ideal for a variety of applications. The TPS65921B1ZQZ also provides a wide selection of operating temperature range, up to -40°C to 85°C, and offers a comprehensive range of protection features, including over-temperature, over-current, and over-voltage protection.

The TPS65921B1ZQZ is a robust and highly integrated PMIC suitable for a variety of application markets. It provides independent power supply control and monitoring, while also offering flexible and dynamic configuration capabilities. The TPS65921B1ZQZ is well-suited for use in low power, battery-operated devices, as it is designed to operate in a wide temperature range and offers comprehensive protection against potential over-current, over-voltage and over-temperature faults.

In terms of its operating principle, the TPS65921B1ZQZ comprises of various components, including a power management core, a voltage monitoring block, an on-chip voltage reference, a voltage-mode control circuit, an I2C interface and a PMIC watchdog timer. The power management core is responsible for executing power management algorithms and providing communication interfaces for controlling and monitoring power supply channels. The voltage monitoring block detects changes in voltage levels, providing advanced fault protections and monitoring of the power supply system. The voltage-mode control circuit handles soft-start, dynamic voltage scaling, and advanced power sequencing capabilities. The I2C interface provides a two-wire communications interface with the processor, enabling dynamic configuration of the PMIC registers. The PMIC watchdog timer provides dedicated hardware protection, allowing the hardware to autonomously reset in the event of a system failure.

In conclusion, the TPS65921B1ZQZ is a highly integrated and cost-effective PMIC for a variety of CMOS-based system designs. It provides independent power control and monitoring, featuring sophisticated power sequencing and fault monitoring capabilities. The TPS65921B1ZQZ also offers a flexible I2C interface for dynamic configuration of its operation and protection functions. With its powerful and efficient features, the TPS65921B1ZQZ is ideal for a variety of low power, battery-operated designs.

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