crwdns2933803:010crwdne2933803:0
crwdns2933797:0jdp23crwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Geoff Wacker
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| [* black] The gold antenna array pops out, and [http://d3nevzfk7ii3be.cloudfront.net/igi/o4y5JYw5fJr2eLCN|sees all]. | |
| [* black] With the fan released, it looks to be powered by a Nidec brushless DC motor, model number AG720K01. | |
| - | [* red] The motor controller IC |
| + | [* red] The motor controller IC is an Allegro Microsystems [http://www.allegromicro.com/en/Products/Motor-Driver-And-Interface-ICs/BLDC-Fan-Driver-ICs/A5940.aspx|A5940LPT] Three Phase Sensorless Sinusoidal Fan Driver. |
| [* icon_note] We noticed a few cavities around the edges of the impeller filled with some sort of epoxy ([http://d3nevzfk7ii3be.cloudfront.net/igi/aKVQSBkeF42O6LcO|on both sides|new_window=true]). We suspect it's for fine-tuned balancing, to keep the fan running smooth and quiet. |