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VID interface controller adjusts start-up current

Posted: 18 Feb 2013     Print Version  Bookmark and Share

Keywords:Voltage identification IC  interfaces  power  controller 

Texas Instruments Inc. launches the LM10011 power management controller with 4- and 6bit voltage identification (VID) interfaces. The device is designed to adjust the core voltage (VCORE) of a VID-enabled processor, with the help of a point-of-load regulator.

This enables DSPs, such as the company's C6000 power-optimised DSPs and KeyStone multi-core DSPs, to use less power, particularly for wireless infrastructure applications.

The controller claims one-per cent output accuracy that is fully compliant with C6000 VID table and 16 selectable start-up current options that offer flexibility for system operation and higher system reliability. It operates in the input voltage range of 2.97V to 5.5V and supports 5V and 3.3V bus voltages. It works with any point-of-load regulator that has a feedback node, and offers 16 pin-programmable current output options during start-up, allowing the DSP VCORE to power up various voltages to enable greater system flexibility and reliability.

Its pin-selectable VID format allows 4bit and 6bit VID patterns, and its precision enable supports custom under-voltage lockout (UVLO).

The LM10011 VID controller is available in volume now in a 3mm x 3mm x 0.8mm 10-pin SON package. It is priced at Rs.32.79 ($0.60) in 1,000-unit quantities.





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