Multi channel battery charger: Difference between revisions

Latest revision as of 08:49, 14 March 2011

This page is monitored by the OLPC team.

This page describes a charger for multiple XO Laptop batteries.

Code name "Supercharger"

AC In: IEC for 120/220VAC
DC In: 10VDC to 28VDC 2 Pin connector that mates with whats on the GP solar blanket.
- DC connector is not yet finalized
USB B connector (Its a USB device)
2 cables with XO DC jacks on them

The CPU is an Atmel At91SAM7x family part.
- See http://www.atmel.com/dyn/products/product_card.asp?part_id=3754
The per battery DC-DC charger is a SEPIC design based around a MicroChip MCP1631 part

@@ Line 1: / Line 1: @@
-[[Category:Peripherals]]
-[[Category:Battery & Power]]
 {{OLPC}}
+This page describes a charger for multiple [[Hardware#XO_Laptop|XO Laptop]] batteries.
-{{draft}}
+== Introduction ==
-= Multi Channel Battery Charger =
+[[Image:Multi-Battery_Charger.png|300px|right]]
+Code name "Supercharger"
- ==
+== Input Power ==
 * AC Power 100V-230V.  300W
 * DC 10V-28V. 150W
@@ Line 15: / Line 14: @@
 * AC In: IEC for 120/220VAC
 * DC In: 10VDC to 28VDC 2 Pin connector that mates with whats on the GP solar blanket.
+** DC connector is not yet finalized
 * USB B connector (Its a USB device)
 * 2 cables with XO DC jacks on them
@@ Line 27: / Line 27: @@
 * Forth/C combination.
-* http://dev.laptop.org/git?p=projects/supercharger;a=summary
+* http://dev.laptop.org/git/projects/supercharger
+== Function ==
+* Approximately 2 hours for complete charge
+** Maximum number of simultaneous charging channels
+*** 15 Batteries on AC
+*** 10 Batteries via 150W DC source
+*** 8 Batteries via 2 60W solar blankets
+*** 4 Batteries via 1 60W blanket
 == Datasheets ==
@@ Line 35: / Line 41: @@
 * [[Image:At91sam7x128_256_pc.pdf]] Atmel CPU
 * [[Image:DS2756.pdf|DS2756]] DS2756
+[[Category:Peripherals]]
+[[Category:Battery & Power]]