Partitioning For Power

By Pallab Chatterjee Design partitioning for power in an IC is driven by which functions are on simultaneously. The new generation of “smart” power management chips introduces new constraints to the task. Case in point: The new LP8725 from National Semiconductor. These chips have multiple DC-DC converters and both analog and digital low-dropout regulators (LDOs), with a common I2C inter... » read more