Proving the Business Case for the Internet of Things

Vidatronic power management IP cores suit NB-IoT

Steve Rogerson
April 11, 2019
 
Vidatronic has announced a series of 40nm integrated power management unit (PMU) IP cores optimised for wireless and NB-IoT applications.
 
The Texas-based provider of power management and cmos radio frequency (RF) says the power amplifier IP cores were silicon-proven in the TSMC 40nm process. The cores are optimised for integration into ASICs or systems-on-chip (SoCs), including RF, wireless and NB-IoT applications.
 
Semiconductor trends are focused on making devices as compact as possible while improving performance. Power management is no exception, especially in the IoT era.
 
Previously, power management IC (PMIC) analogue blocks were separate from the ASIC or SoC. Current trends are to integrate a PMU fully into the ASIC or SoC to reduce size and cost, increase the reliability of the system, and enable overall system optimisation.
 
The 40nm integrated PMU IP cores are designed to function together as a single PMU for integration into a larger ASIC or SoC, but they can also be used separately in other applications.
 
This series contains a dual-mode low dropout (LDO) voltage regulator equipped with Vidatronic’s patented Power Quencher technology, a buck DC-DC converter, low-power voltage reference, high-accuracy bandgap reference and dual power switch, all silicon-proven in TSMC 40nm.
 
“Companies entering the market for IoT and NB-IoT applications have begun to see that in order to remain competitive, they must implement their SoC designs with the highest levels of integration,” said Stephen Nolan, vice president at Vidatronic. “This involves placing the PMU within their SoC. Designing these power management blocks for integration into these smaller process nodes, like 40nm, is not without its challenges. Attempting to develop these blocks in-house can result in project delays, as well as significant cost and overhead for these IoT companies. Our 40nm integrated PMU IP series is the perfect solution to get them to market faster, with much lower risk and cost.”
 
The integrated PMU IP cores operate with low power consumption without sacrificing other areas of performance. The Power Quencher LDO does not require the external output capacitor that is typically needed in an LDO for loop stability and noise reduction. This saves component count, board space and cost, and improves overall system reliability.
 
The buck DC-DC converter has optimised clocking options that help to eliminate spurious emissions from beat frequencies and harmonics that would otherwise be present, resulting in lower overall system noise.
 
Vidatronic, founded in 2010, licenses power management unit and cmos RF IP designs for integration into ASICs and SoCs.