wavebubble:power_supply
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wavebubble:power_supply [2008/08/16 20:10] saline |
wavebubble:power_supply [2016/01/28 18:05] (current) |
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| |*TPS79333|IC1|3.3V/200mA LDO regulator|Digikey/Mouser|1|$0.53|$0.53| | |*TPS79333|IC1|3.3V/200mA LDO regulator|Digikey/Mouser|1|$0.53|$0.53| | ||
| |*LM2733x|IC2|5 (or 7V) DC/DC converter |Digikey|1|$2.58|$2.58| | |*LM2733x|IC2|5 (or 7V) DC/DC converter |Digikey|1|$2.58|$2.58| | ||
| - | |*LM2731Y|IC2 (alt)|5 (or 7V) DC/DC converter|Digikey|1||| | + | |*LM2731Y|IC2 (alt)|5 (or 7V) DC/DC converter|Digikey|1|$2.58|$2.58| |
| |*LT1301CS8|IC3|12V DC/DC converter|Digikey/Linear|1|$4.75|$4.75| | |*LT1301CS8|IC3|12V DC/DC converter|Digikey/Linear|1|$4.75|$4.75| | ||
| |*LT1173CS8|IC4|25V+ DC/DC converter|Digikey/Linear|1|$4.88|$4.88| | |*LT1173CS8|IC4|25V+ DC/DC converter|Digikey/Linear|1|$4.88|$4.88| | ||
| |CDRH6D28NP-150NC|L1|15uH power inductor|Digikey|1|$1.03|$1.03| | |CDRH6D28NP-150NC|L1|15uH power inductor|Digikey|1|$1.03|$1.03| | ||
| - | |CDRH6D28NP-7R3NC|L1 (alt)|7.3uH (if IC2 is LM2731Y)|Digikey|1||| | + | |CDRH6D28NP-7R3NC|L1 (alt)|7.3uH (if IC2 is LM2731Y)|Digikey|1|$1.03|$1.03| |
| |CDRH6D28NP-330NC|L2, L3|33uH power inductor|Digikey|2|$1.03|$2.06| | |CDRH6D28NP-330NC|L2, L3|33uH power inductor|Digikey|2|$1.03|$2.06| | ||
| |0.1uF 1206 ceramic capacitor|C2, C3 C7, C9, C11, C13, C16, C17|0.1uF ceramic filter capacitor|Mouser|8|$0.08|$0.64| | |0.1uF 1206 ceramic capacitor|C2, C3 C7, C9, C11, C13, C16, C17|0.1uF ceramic filter capacitor|Mouser|8|$0.08|$0.64| | ||
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| |TPSC686K016R0200|C14|68uF/16V low ESR tantalum capacitor|Digikey|1|$1.44|$1.44| | |TPSC686K016R0200|C14|68uF/16V low ESR tantalum capacitor|Digikey|1|$1.44|$1.44| | ||
| |B45197A6226K409|C18|22uF/35V low ESR tantalum capacitor|Digikey|1|$1.40|$1.40| | |B45197A6226K409|C18|22uF/35V low ESR tantalum capacitor|Digikey|1|$1.40|$1.40| | ||
| - | |390-550pF 1206 ceramic capacitor|C20|feed foward capacitor for 5V regulator|Digikey|1| | + | |390-550pF 1206 ceramic capacitor|C20|feed foward capacitor for 5V regulator|Digikey|1|$0.22|$0.22| |
| |510K 1206 5% resistor|R1|Chosen value resistors for low battery detect: R1/(R1+R2)*Vlow = 1.1|Digikey/Mouser|1|$0.08|$0.16| | |510K 1206 5% resistor|R1|Chosen value resistors for low battery detect: R1/(R1+R2)*Vlow = 1.1|Digikey/Mouser|1|$0.08|$0.16| | ||
| |220K 1206 5% resistor|R2|Chosen value resistors for low battery detect: R1/(R1+R2)*Vlow = 1.1|Digikey/Mouser|1|$0.08|$0.16| | |220K 1206 5% resistor|R2|Chosen value resistors for low battery detect: R1/(R1+R2)*Vlow = 1.1|Digikey/Mouser|1|$0.08|$0.16| | ||
/home/ladyada/public_html/wiki/data/pages/wavebubble/power_supply.txt · Last modified: 2016/01/28 18:05 (external edit)
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