ISPPAC-POWR1220AT8-02TN100I

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Modernization and progress of electric power systems are led by the development of power semiconductor technology, especially in the field of efficient power supply control. The ISPPAC-POWR1220AT8-02TN100I is a fully integrated PMIC (Power Management Integrated Circuit) that provides single phase synchronous buck DC/DC conversion from a wide 2:1 input voltage range of 6 to 14V. Available in a thermally enhanced 10 mm x 10 mm QFN-32 package, this product is ideal for applications with tight board space constraints. With an advanced array of integrated power management, protection, and MOSFET drivers, the ISPPAC-POWR1220AT8-02TN100I allows for simple designs that provide improved power efficiency and faster time to market.

The ISPPAC-POWR1220AT8-02TN100I is designed to provide precise control and protection of a wide variety of voltage rails up to 12V. Its features, including a 44V input CMOS voltage bus regulator, wide voltage range linear regulator, 23V PWM supply regulator and current limit, provide the essentials to power advanced systems with minimal BOM (bill of materials). Compatible with high capacitance ceramic capacitors and ultra-low ESR capacitors, the ISPPAC-POWR1220AT8-02TN100I enables accurate, fast transient responses and negligible output voltage droop during heavy load transients.

The ISPPAC-POWR1220AT8-02TN100I also includes a number of protection features, including over-voltage protection and under-voltage protection, extending its applicability to safety-critical and cost-sensitive applications. The wide 2:1 input voltage range of 6 to 14V and power up sequence options help ensure safe, compliant startup in a variety of levels of power density and input voltage risk levels. Other features include cycle-by-cycle and latch-off short circuit protection, frequency variable 60 to 400kHz switching frequency, and DC/DC gate drive protection up to 60V with both over-current and thermal shutdown.

The primary application field for the ISPPAC-POWR1220AT8-02TN100I is cost and space-sensitive consumer applications such as industrial, automotive and consumer markets powered by a wide 2:1 input voltage range from 6 to 14V, like mobile phones, accessories, portable electronic devices, household appliances, and industrial control. The wide 2:1 input voltage range and 0.8 V to 12V internal voltage regulator make it a perfect fit for use in any system with low power density and a wide range of input voltage sources.

The ISPPAC-POWR1220AT8-02TN100I bears a robust set of features and capabilities, tied together in a highly efficient and cost-effective package. Its working principle is simple to understand, as it comprises of a switching buck regulator, a CMOS voltage regulator, a current-limiting circuit, a PWM voltage regulator, and a number of protection features. The buck regulator controls the input voltage by switching on and off the MOSFET devices to generate a required output voltage. This output voltage is then regulated by the CMOS regulator to maintain accuracy and compliance with the various voltage rails. The current limiting circuit limits the maximum current from flowing from the output to the load, while the PWM voltage regulator independently monitors and controls the system’s multiple power buses. These functions are further backed up by a variety of protection features such as over-voltage, under-voltage, over-current and thermal shutdown, to guarantee safe and reliable operation.

The ISPPAC-POWR1220AT8-02TN100I is a highly advanced and feature-rich PMIC from Lattice Semiconductor ideal for a wide range of cost and space-sensitive consumer applications. With its wide 2:1 input voltage range and multiple voltage regulation, protection and MOSFET drivers, this PMIC is an excellent choice for applications with tight board space constraints. Thanks to its integrated features, high-efficiency circuitry and cost-effectiveness, designers can build reliable and cost-saving power systems efficiently and quickly.

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