Technology Industry
Industry: Email Alert RSS FeedSingle-chip power controller with sequencing and margining.(Integrated Circuits & Semiconductors)
ECN-Electronic Component News, October, 2005
Texas Instruments has announced a synchronous DC/DC buck controller with desirable sequencing and output voltage margining features. The single-chip device, used in modular and on-the-board power supplies, reduces the number of external circuits in 4.5V to 18V telecom and networking power systems with multiple output voltages. The controller will also be incorporated into future POLA[TM] plug-in power modules. The TPS40100 controller supports three common sequencing schemes found in today's high performing power systems, including sequential sequencing, ratio-metric sequencing and simultaneous sequencing. Using the device's power good function, the TPS40100 can implement a sequential sequencing scheme, where a single power supply output voltage will ramp up and settle...
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