 Triss
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0c16164cf3
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rev4.2
* more DAC options
* more potentiometer footprint options
* better reset system
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2022-07-05 02:57:52 +02:00 |
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Triss
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9c0abb2365
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update gerbers zip
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2022-07-05 02:52:05 +02:00 |
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Triss
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61affdb91a
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add option to use MCP49x2
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2022-04-03 05:25:52 +02:00 |
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Triss
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8e47d391e7
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rev4.2 work: allow selecting between Vdac1 and JP300 for U400 hi; better RV50x footprints, misc stuff
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2022-04-02 05:12:44 +02:00 |
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Triss
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7bef293e32
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simplify stuff a bit
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2022-03-30 17:28:35 +02:00 |
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Triss
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d75c8fae07
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rev4.2: fix EMERG_SHDN stuff
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2022-03-28 05:34:28 +02:00 |
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Triss
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77725cd577
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rev4.2: provide chip select to U401, use low side of U200 level shifter as external conn.
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2022-03-28 04:14:18 +02:00 |
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Triss
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1f5d97e632
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rev4.1 (add extra connector for PicoEMP stuff)
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2022-03-08 15:26:40 +01:00 |
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Triss
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068e9532b6
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DAC part number stuff
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2022-02-28 04:20:34 +01:00 |
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Triss
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1fee45eb99
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rev4 finalization stuff
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2022-02-28 04:07:37 +01:00 |
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Triss
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f206327856
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use all switches of max4619 in parallell to decrease series resistance
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2022-02-21 16:10:11 +01:00 |
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Triss
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acd3f1cc77
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fix typo on F silkscreen
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2022-02-20 23:08:25 +01:00 |
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Triss
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0502d6f6c4
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more works & tweaks and stuff
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2022-02-20 22:26:30 +01:00 |
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Triss
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83d3dfd8cf
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DAC powered by VBUS, VBUS to ADC2
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2022-02-20 21:22:26 +01:00 |
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Triss
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a800ff401d
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almost there
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2022-02-20 01:05:32 +01:00 |
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Triss
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8e9b15f5f9
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stuff
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2022-02-19 20:46:59 +01:00 |
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Triss
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efa6b240e9
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rev4 bullshit
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2022-02-14 03:00:59 +01:00 |
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Triss
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861b69095c
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clean up traces, fix smps footprint oops
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2022-02-03 14:36:01 +01:00 |
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Triss
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9fb7db2498
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rev3.3
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2022-02-03 02:38:08 +01:00 |
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Triss
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40cd14c29c
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add hardware revision update notes
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2022-02-01 16:07:02 +01:00 |
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Triss
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6f62a61765
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rev3.2: fix U400 footprint, D202..205 are now SOD-123F, silkscreen stuff
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2022-02-01 15:48:27 +01:00 |
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Triss
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a9bbe03ebf
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i think this warrants a revision bump
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2022-01-26 21:48:13 +01:00 |
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Triss
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c944a1c0ae
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psuflt: use Sallen-Key instead; gpio: expose 3V3 & Vdcflt
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2022-01-26 21:44:54 +01:00 |
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Triss
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112f6fe171
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optimize tracks a bit, also the return path for P22PWM
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2022-01-20 22:56:22 +01:00 |
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Triss
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fb386da1f3
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actually no, the diode thing was a mistake
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2022-01-19 23:41:16 +01:00 |
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Triss
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f2e9b1d3f5
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fix silkscreen/solderpad overlap
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2022-01-19 23:29:34 +01:00 |
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Triss
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39df362eca
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replace R500 with two diodes
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2022-01-19 23:23:01 +01:00 |
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Triss
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27a3030c11
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eh, i think rev3 is doneish
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2022-01-18 19:25:28 +01:00 |
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Triss
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1373f57e54
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remove kicadv5 schematics
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2022-01-18 01:32:41 +01:00 |
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Triss
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cd75fde21e
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rev3
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2022-01-18 01:32:04 +01:00 |
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Triss
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58810e9ae1
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update stuff (v2.1)
* external low voltage in
* ^ controlled by MAX4619
* lo voltage now buffered by opamp
* change UART pinout to sth more conventional
* misc
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2021-12-31 20:07:16 +01:00 |
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Triss
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bbce79cd76
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protection (or not). max4619 might need +5V tho
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2021-12-22 19:56:51 +01:00 |
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Triss
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ec33aa2185
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clean up tracks
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2021-12-22 15:56:40 +01:00 |
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Triss
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e6a78ca066
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ugh, kicad...
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2021-12-22 04:52:45 +01:00 |
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Triss
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1a8153b65a
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correct DS1803 footprint
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2021-12-22 04:52:45 +01:00 |
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Triss
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929fdbcc25
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bunch of stuff, should save every so often
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2021-12-22 04:52:43 +01:00 |
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Triss
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328896073f
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ok i think its ready. silkscreen time now
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2021-12-22 04:52:42 +01:00 |
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Triss
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5a641c13e0
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digipot on backside
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2021-12-22 04:52:41 +01:00 |
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Triss
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2b56a94fe7
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base bord routing done, some stuff still TODO
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2021-12-22 04:52:40 +01:00 |
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Triss
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60d38466db
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redo board layout, sigh
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2021-12-22 04:52:40 +01:00 |
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Triss
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fab55daf60
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basic board layout done
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2021-12-22 04:52:39 +01:00 |
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Triss
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4cd5db4d59
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schematic done(?)
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2021-12-22 04:52:38 +01:00 |
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Triss
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a488bb2484
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no regc
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2021-12-22 04:52:37 +01:00 |
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Triss
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dee386cb12
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regc version
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2021-12-22 04:52:37 +01:00 |
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Triss
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d51f1f36e6
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v1, targetting vdd
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2021-12-22 04:52:35 +01:00 |