Empower Launches First Quad-Output IVRs EP71xx Series with Industry’s Highest Density and Fastest Dynamic Voltage Scaling

PublishTime： 2023-03-06 Article Source：Empower News

Empower Semiconductor, Inc. the world leader in integrated voltage regulators (IVRs), has announced a series of quad-output step-down converters that combine the industry’s highest current density and efficiency, the fastest dynamic voltage scaling (DVS) and transient response, and extensive fault protection. As with previous members of Empower’s IVR family, the new digitally configurable EP71xx series can deliver complete voltage regulation and protection functionality without the need for external discrete components. Furthermore, the EP71xx series can eliminate other system components that increase cost and area by integrating those system functions.

Empower’s IVRs are high-performance power management chips designed to provide efficiency, size, and cost benefits to energy-hungry, data-intensive, electronics applications by replacing traditional power management integrated circuits (PMICs) with a single tiny IC. IVRs monolithically integrate the voltage regulator semiconductor and all the necessary discrete components into a single device. Such integration simplifies the design and implementation of voltage regulation circuitry, improves efficiency by eliminating connection losses, reduces susceptibility to EMI, minimizes the bill of materials, enhances overall reliability, and reduces PCB footprint.

The EP71xx series delivers an impressive 12A of continuous current with up to 4 voltage regulators in a single FcCSP package that measures just 5mm x 7mm and only 0.7mm in height! Maximum efficiencies can be achieved, minimizing losses across the widest possible range of operating conditions. Ultra-fast transient response supports regulation through a load step and the programmable ‘ExpressV’ DVS-on-demand is capable of up to 6mV/ns. This feature is more than 1000x faster than other competing technologies and enables rapid, lossless, processor state changes that can significantly reduce processor power.

Commenting on the launch of the new IVR series, Mukund Krishna, Empower’s senior product marketing manager states: “Conventional power management solutions do not offer the power density, simplicity, and flexibility demanded by rapidly evolving data-intensive applications. With the addition of the new quad-output devices to our IVR family, we are giving system designers the opportunity to reduce PCB power management area and components by ten times or more, drive down system power losses by as much as 50%, and greatly simplify system design.”

The new IVRs operate from a single 3.3V input and offer output current options up to 12A. The EP71xx family comprises a variety of devices that can provide the available 12A from one to four independent outputs. Output voltages are programmable from 0.5V to 2.5V and output voltage set-point accuracy is +/- 1.0%. Built-in fault protection and warning capabilities cover OVLO, UVLO, OVP, OCP, and short circuits.

The EP71XX devices pack a full suite of telemetry functionality to report voltage, current, and die temperature and continue to feature programmable soft-start and DVS ramp rates via the digital interface. Enhancements to the EP71xx include advanced features such as user-programmable power-up/power-down sequencing, user-configurable logic levels, and programmable GPIOs to enable customized system functionality. All configurations and diagnostics are available through a standard I2C interface.

Target applications for the new series will include optical transceivers, active cables, memory modules and storage devices, networking equipment such as GPON and Photonic Service Switches, PoL power for CPUs, GPUs, accelerators and AI processors, and 5G systems.

Tim Phillips, CEO, president, and founder of Empower adds: “Our mission is to minimize the energy footprint of the digital economy by providing high-performance, ultra-efficient technologies that allow designers and system architects to quickly implement power management solutions that keep power consumption to a minimum. The new quad-output IVR series is further evidence of how we are delivering on that promise.”

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