| | 1 | {{{#!html |
| | 2 | <div id="wikipage" class="trac-content"><h1 id="PowerSuppliesonVentana"><b style="color:#000;background:#66ffff">Power</b> Supplies on <b style="color:#000;background:#ffff66">Ventana</b></h1> |
| | 3 | <p> |
| | 4 | </p><div class="wiki-toc"> |
| | 5 | <ol> |
| | 6 | <li> |
| | 7 | <a href="#PowerSuppliesonVentana"><b style="color:#000;background:#66ffff">Power</b> Supplies on <b style="color:#000;background:#ffff66">Ventana</b></a> |
| | 8 | <ol> |
| | 9 | <li> |
| | 10 | <a href="#a3.3VSupply">3.3V Supply</a> |
| | 11 | </li> |
| | 12 | <li> |
| | 13 | <a href="#a5VSupply">5V Supply</a> |
| | 14 | </li> |
| | 15 | <li> |
| | 16 | <a href="#DIOConnectorforPower">DIO Connector for <b style="color:#000;background:#66ffff">Power</b></a> |
| | 17 | </li> |
| | 18 | </ol> |
| | 19 | </li> |
| | 20 | </ol> |
| | 21 | </div><p> |
| | 22 | </p> |
| | 23 | <h2 id="a3.3VSupply">3.3V Supply</h2> |
| | 24 | <p> |
| | 25 | The <b style="color:#000;background:#ffff66">Ventana</b> has a very robust <b style="color:#000;background:#66ffff">power</b> supply for Wireless Radios in the Mini-PCIe slot. |
| | 26 | </p> |
| | 27 | <p> |
| | 28 | The 3.3V can be accessed in a few other places: |
| | 29 | </p> |
| | 30 | <ul><li>JTAG Header - 1A maximum per pin (see user manual) |
| | 31 | </li><li>DIO Connector (see below) |
| | 32 | </li></ul><h2 id="a5VSupply">5V Supply</h2> |
| | 33 | <p> |
| | 34 | The <b style="color:#000;background:#ffff66">Ventana</b> has a smaller 5V supply typically for USB. |
| | 35 | </p> |
| | 36 | <p> |
| | 37 | The typical 5V supply is only 1.5A. |
| | 38 | </p> |
| | 39 | <h2 id="DIOConnectorforPower">DIO Connector for <b style="color:#000;background:#66ffff">Power</b></h2> |
| | 40 | <p> |
| | 41 | The JST DIO connector on the <b style="color:#000;background:#ffff66">Ventana</b> boards has pins rated for 3A maximum. Supplies source may vary. |
| | 42 | </p> |
| | 43 | <table class="wiki"> |
| | 44 | <tr><td style="text-align: left">Model </td><td> Connector </td><td> Notes |
| | 45 | </td></tr><tr><td> GW5310 </td><td> J4 </td><td> Load R75 (zero ohm) and remove R11 for 3.3V (pin 3), Load R74 and remove R10 (zero ohm) for 5V (pin 4) |
| | 46 | </td></tr></table> |
| | 47 | <p> |
| | 48 | GW5310 Example: |
| | 49 | <a style="padding:0; border:none" href="/attachment/wiki/ventana/powerrails/DIOResistors.png"><img src="/raw-attachment/wiki/ventana/powerrails/DIOResistors.png" /></a> |
| | 50 | </p> |
| | 51 | }}} |