Editing N900 Hardware Power management
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- | The power managment on the | + | The power managment on the n900 is very complex, and involves a large number of interacting systems. |
==Hardware== | ==Hardware== | ||
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The [http://focus.ti.com/docs/prod/folders/print/bq24150a.html bq24150a] charger from TI is a flexible charger. It, along with the PHY chip - support charging without the intervention of the SoC when the system is charging from a completely dead battery. The PHY chip detects a charger (shorted D+ and D- pins) and the charger uses this information to charge more rapidly. | The [http://focus.ti.com/docs/prod/folders/print/bq24150a.html bq24150a] charger from TI is a flexible charger. It, along with the PHY chip - support charging without the intervention of the SoC when the system is charging from a completely dead battery. The PHY chip detects a charger (shorted D+ and D- pins) and the charger uses this information to charge more rapidly. | ||
- | It also features reverse boost mode - which enables power to be supplied to a USB device connected to the N900. (up to a limit of | + | It also features reverse boost mode - which enables power to be supplied to a USB device connected to the N900. (up to a limit of 200mA) |
For more information see [[N900 Hardware Battery Charger]] | For more information see [[N900 Hardware Battery Charger]] |
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