Difference between revisions of "Gps1"
From DIDEAS Wiki
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=power management= | =power management= | ||
| − | *3 to 4.2 LiPo (1.3 Ahr | + | *3 to 4.2 LiPo (1.3 Ahr) - 26 hrs @ 50mA |
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*Need upower LV cutoff. | *Need upower LV cutoff. | ||
Revision as of 04:18, 16 July 2009
Contents
power management
- 3 to 4.2 LiPo (1.3 Ahr) - 26 hrs @ 50mA
- Need upower LV cutoff.
Battery charger
- LT3650-8.2 [[1]]
LCD display
- 5V @ 1.5mA
- TPS61220 boost converter - very efficient at lite load
LCD back light
- 3.8 - 4.2V @ 240mA max
- LTC3454 - LED driver.
dsPICsupply
- 3.0V @ upto 100mA GPS
- TPS63030 (buck - boost)
GPS
- direct to LiPo
- LOCOSYS LS20031/33 - direct Lipo connections! (41/44 mA)
