wavebubble:power_supply
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wavebubble:power_supply [2007/12/12 16:31] serial created |
wavebubble:power_supply [2016/01/28 18:05] (current) |
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| ==== Parts List - Power supply ==== | ==== Parts List - Power supply ==== | ||
| - | coming soon... | + | ^Part no.^Name^Description^Distributor^Qty^Cost^Total^ |
| + | |J-188-1|SW1|Alternate action push button switch|Digikey|1|$0.95|$0.95| | ||
| + | |*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| | ||
| + | |*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| | ||
| + | |*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-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| | ||
| + | |0.1uF 1206 ceramic capacitor|C2, C3 C7, C9, C11, C13, C16, C17|0.1uF ceramic filter capacitor|Mouser|8|$0.08|$0.64| | ||
| + | |1.0uF 1206 ceramic capacitor|C4, C6, C12, C15, C19|1.0uF ceramic filter capacitor|Mouser|5|$0.18|$0.90| | ||
| + | |UWX0J101MCL1GB|C1|100uF 6.3V input filter capacitor|Mouser|1|$0.17|$0.17| | ||
| + | |UWX0G101MCL1GB|C5|100uF/4V filter capacitor|Mouser|1|$0.17|$0.17| | ||
| + | |TPSC107K010R0100|C10|100uF/10V low ESR tantalum capacitor|Digikey|1|$1.18|$1.18| | ||
| + | |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| | ||
| + | |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| | ||
| + | |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| | ||
| + | |39K 1206 5% resistor|R3|Boost voltage reference resistor for 5V|Digikey/Mouser|1|$0.08|$0.08| | ||
| + | |12K 1206 5% resistor|R4|Boost voltage reference resistor for 5V|Digikey/Mouser|1|$0.08|$0.08| | ||
| + | |2K 1206 5% resistor| R5|LED choke resistor|Digikey/Mouser|1|$0.08|$0.08| | ||
| + | |50K 1206 resistor|R6|Boost voltage reference resistor for 24V|Digikey/Mouser|1|$0.08|$0.08| | ||
| + | |1M 1206 resistor|R7|Boost voltage reference resistor for 24V|Digikey/Mouser|1|$0.08|$0.08| | ||
| + | |SS14|D1, D2, D3|Schottky Diode (at least 1A/20V)|Digikey/Mouser|3|$0.30|$0.90| | ||
| + | |Total|-|-|-|-|-|$11-$26| | ||
| + | |||
| + | * Can be sampled for free at low quantities | ||
| ==== Power supply assembly ==== | ==== Power supply assembly ==== | ||
/home/ladyada/public_html/wiki/data/attic/wavebubble/power_supply.1197477061.txt.gz · Last modified: 2016/01/28 18:05 (external edit)
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