Adjusting a top charge capacitor voltage according to an operating temperature of the capacitor
An apparatus includes a capacitor and logic to adjust an operating temperature of the capacitor according to a charge on the capacitor, and/or to adjust a charge of the capacitor according to the operating temperature of the capacitor to improve the useful life of the capacitor and increase its reliability.
1. A method comprising:
adjusting an operating temperature of a capacitor according to a charge voltage on the capacitor; and
adjusting an amount of memory backup that may be performed when powered by the capacitor at the charge voltage.
2. A method comprising:
adjusting a top charge voltage of a capacitor according to the operating temperature of the capacitor; and
providing an indication of a limitation on a function powered by the capacitor at least under certain conditions, the limitation in relation to an adjusted charge voltage on the capacitor.
3. The method of claim 1 , wherein adjusting an operating temperature of the capacitor further comprises:
controlling the current to a thermal-electric device in contact or proximity with the capacitor.
4. The method of claim 2 , wherein adjusting a charge voltage of the capacitor according to the operating temperature of the capacitor further comprises:
decreasing a top charge voltage on the capacitor as the operating temperature increases.
5. The method of claim 2 , wherein providing an indication of a limitation on a function powered by the capacitor further comprises:
providing a limitation on an amount of memory backup that may be performed.
6. The method of claim 1 , further comprising:
discharging the capacitor upon detecting a system shutdown.
7. The method of claim 2 , further comprising:
discharging the capacitor upon detecting a system shutdown.
8. An apparatus comprising:
a capacitor, and
logic to adjust an operating temperature of the capacitor according to a charge voltage on the capacitor, and/or to adjust a charge voltage of the capacitor according to the operating temperature of the capacitor; and
providing an indication of a limitation on a function powered by the capacitor at least under certain conditions, the limitation in relation to an adjusted charge voltage on the capacitor.
9. The apparatus of claim 8 , wherein the logic to adjust an operating temperature of the capacitor according to a charge voltage on the capacitor further comprises:
logic to control the current to a thermal-electric device in contact or proximity with the capacitor.
10. The apparatus of claim 8 , wherein the logic to adjust a charge voltage of the capacitor according to the operating temperature of the capacitor further comprises:
logic to decrease the top charge voltage on the capacitor as the operating temperature increases.
11. The apparatus of claim 8 wherein the logic to provide an indication of a limitation on a function powered by the capacitor further comprises:
logic to provide a limitation on an amount of memory backup that may be performed.
12. The apparatus of claim 8 , further comprising:
logic to discharge the capacitor upon detecting a system shutdown.