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Dialog Semiconductor launches a general purpose device for use as a core building block in power management sub-systems in portable electronics equipment, audio players, cellular handsets and digital cameras. The DA9025 power management controller takes a system level approach to managing the multiple power domains and voltage requirements of lithium powered portable applications, integrating a number of functions and interfacing directly with a battery pack. Containing four low power, low dropout regulators based on the company’s Smart Mirror™ technology, a real time clock supply and a buck converter, the new IC fits between the simple single function device such as a low dropout regulator (LDO) or switching converter, and sophisticated system-on-chip ICs. The main benefit of this approach is that it reduces the cost and PCB overhead of having to build in multiple off-the-shelf, low-integration power management components from multiple vendors. The DA9025 can be used both standalone with pre-determined power-up sequence for simple operation, or controlled by an I²C bus for greater control and programmability of output voltages and power in individual blocks.

Dialog Semiconductor