| ??? 12/13/10 14:50 Read: times |
#180129 - re Voltage => power consumption Responding to: ???'s previous message |
Per is not mentioning one particular issue related to his title beyond this:
So reducing the voltage means less amount of energy to charge/discharge all capacitors with. So manufacturers really do want to drop the voltages. as an aillustration: if you have a 2.7-5.5V Vcc chip and run it at 5v you will save power by inserting a linear LDO regulator dropping the chip supply to 3V3 everything else being equal. Now, if you then replace the chip with an equivalent rated at 3V3 you will, due to the smaller geometry in the chip, save even more. re newly introduced 5V chips I believe that is the result of requests from USB device manufacturers wanting to save the regulator. Erik |
| Topic | Author | Date |
| 5V ARMs | 01/01/70 00:00 | |
| 5V has its merits... | 01/01/70 00:00 | |
| The cost of protection? | 01/01/70 00:00 | |
| 5VDC | 01/01/70 00:00 | |
| You mean, "was" | 01/01/70 00:00 | |
| Voltage => power consumption | 01/01/70 00:00 | |
| re Voltage => power consumption | 01/01/70 00:00 | |
| RE: USB | 01/01/70 00:00 | |
| Really small capacitances | 01/01/70 00:00 | |
| unbound enthusiasm; USB & 5V? | 01/01/70 00:00 | |
| Trickle down of technologies | 01/01/70 00:00 | |
| yes..upps in the past | 01/01/70 00:00 | |
| toshiba cortex-m3 vcc=4.5..5V | 01/01/70 00:00 | |
| Special hardware protection of I/O? | 01/01/70 00:00 | |
5 volt Power supply | 01/01/70 00:00 |