Joseph Coffland [Thu, 15 Jun 2017 01:05:02 +0000 (18:05 -0700)]
Moved polys away from board edges
Joseph Coffland [Wed, 14 Jun 2017 23:32:57 +0000 (16:32 -0700)]
Increase transistor pad size
Joseph Coffland [Wed, 14 Jun 2017 23:18:13 +0000 (16:18 -0700)]
Moved LCD connector
Joseph Coffland [Wed, 14 Jun 2017 23:09:55 +0000 (16:09 -0700)]
Small layout improvements
Joseph Coffland [Wed, 14 Jun 2017 22:25:10 +0000 (15:25 -0700)]
Fixed layer colors, Removed outline layer, Routed new analog_2 signal, Added two new guide holes
Joseph Coffland [Wed, 14 Jun 2017 22:24:41 +0000 (15:24 -0700)]
Added analog_2
Doug Coffland [Mon, 5 Jun 2017 22:06:41 +0000 (15:06 -0700)]
made all 10,000 ohm resistors have same value of 10K
Doug Coffland [Mon, 5 Jun 2017 04:46:40 +0000 (21:46 -0700)]
made corrections to part names so the BOM files build correctly, replace P/D3 model from V15P45-M3/86S to STPS3L40UF. V15P45 not available and STPS3L40UF is what is used in the demo board for the L7986A. Created new DO221 footprint file for STOS3L40UF. Corrected model number for P/PC/R20 and P/PC/R27
Doug Coffland [Tue, 30 May 2017 03:09:27 +0000 (20:09 -0700)]
Changed power such that second fet on smart fet is enabled through enable switch and delayed turnon. When second fet comes on, power is applied to the attiny and the 5V iso and 3.3Vm power supplies. Also removed resistor on rpi_sda_1:1. Added 130pf cap on rpi_reset:1 to fix invalid reboots. Corrected C3 and C2 on motor drivers.
Doug Coffland [Thu, 23 Mar 2017 21:47:13 +0000 (14:47 -0700)]
version sent to Elecrow for quote
Joseph Coffland [Tue, 21 Mar 2017 09:23:01 +0000 (02:23 -0700)]
Added Do not populate to test components
Joseph Coffland [Tue, 21 Mar 2017 08:55:35 +0000 (01:55 -0700)]
PCB fixes, removed 3.3v linear regulator, buck to 3.3v directly, updated copyright, added zero ohm resistors to isolate subcircuts.
Doug Coffland [Sun, 19 Mar 2017 18:27:32 +0000 (11:27 -0700)]
corrected enable circuit in power.sch to ensure that ISO 5V is off when enable is off
Doug Coffland [Sun, 19 Mar 2017 17:34:45 +0000 (10:34 -0700)]
rev 8 of buildbotics_controller, includes intelligent fet
Doug Coffland [Sat, 18 Mar 2017 20:33:56 +0000 (13:33 -0700)]
no comment
Doug Coffland [Wed, 8 Mar 2017 16:52:50 +0000 (08:52 -0800)]
corrected PGND in power_conditioner.sch and updated layout
Doug Coffland [Tue, 7 Mar 2017 22:08:51 +0000 (14:08 -0800)]
created power_conditioner.sch (and a symbol) from power_coind.sch and incorporated the result into power.sch. Also, changed C2 to .22uF 100V from 0.1uF 50V in motor_driver.sch and added resistors into low side gate circuits in motor_driver.sch. Updated SOD523 and TO252 footprints so they would not geterate silk screen errors in the DFM check. Completed layout and it passed DRC and FreeDFM tests.
Doug Coffland [Fri, 3 Mar 2017 05:35:36 +0000 (21:35 -0800)]
added diodes on outputs and added reverse battery battery circuit in parallel with zero ohm resistor in power_cond
Joseph Coffland [Tue, 28 Feb 2017 07:06:27 +0000 (23:06 -0800)]
Fixed silk
Doug Coffland [Tue, 28 Feb 2017 06:20:51 +0000 (22:20 -0800)]
corrected footprint attribute for ISP and J3 in power_cond.sch, corrected footprint for ATiny, completed layout in power_cond.pcb
Joseph Coffland [Tue, 28 Feb 2017 00:38:23 +0000 (16:38 -0800)]
Remove unused footprints
Joseph Coffland [Tue, 28 Feb 2017 00:34:57 +0000 (16:34 -0800)]
Removed unused symbols
Joseph Coffland [Tue, 28 Feb 2017 00:34:21 +0000 (16:34 -0800)]
Power cond fixes & cleanup
Doug Coffland [Mon, 27 Feb 2017 19:05:54 +0000 (11:05 -0800)]
corrected footprint for ATiny, started power_cond.pcb layout, corrected symbol for ATiny, added decoupling cap on ATiny in power_cond.sch and reconnected pin21 to gnd.
Doug Coffland [Mon, 27 Feb 2017 17:26:23 +0000 (09:26 -0800)]
new version of power_cond using quad intelligent fet
Doug Coffland [Sun, 26 Feb 2017 21:21:07 +0000 (13:21 -0800)]
latest power_cond sicruit with self protecting fet, also includes load circuit switches for testing
Joseph Coffland [Thu, 23 Feb 2017 02:45:36 +0000 (18:45 -0800)]
Fix grid alignment, moved power_cond3 -> power_cond
Doug Coffland [Tue, 21 Feb 2017 17:55:40 +0000 (09:55 -0800)]
changed value of sense resistor in power_cond3.sch
Doug Coffland [Tue, 21 Feb 2017 03:28:54 +0000 (19:28 -0800)]
added new power_cond3.sch to use ST Electronics self-protected power switch
Joseph Coffland [Mon, 23 Jan 2017 22:13:33 +0000 (14:13 -0800)]
Added temp sensor
Joseph Coffland [Sun, 22 Jan 2017 23:01:49 +0000 (15:01 -0800)]
Larger diodes
Joseph Coffland [Sat, 21 Jan 2017 07:35:55 +0000 (23:35 -0800)]
Update power circuit layout and lables
Joseph Coffland [Sat, 21 Jan 2017 06:19:50 +0000 (22:19 -0800)]
Updated power cond test circuit
Doug Coffland [Fri, 6 Jan 2017 04:31:11 +0000 (20:31 -0800)]
power_cond.sch and .pcb updated, mask clearance corrected in footprint file
Doug Coffland [Wed, 4 Jan 2017 01:36:10 +0000 (17:36 -0800)]
fixed solder mask violations
Doug Coffland [Wed, 4 Jan 2017 01:14:57 +0000 (17:14 -0800)]
new test board called power_cond.sch and power_cond.pcb added to pcb folder
Joseph Coffland [Mon, 2 Jan 2017 11:13:18 +0000 (03:13 -0800)]
power sims
Doug [Sun, 1 Jan 2017 07:22:24 +0000 (23:22 -0800)]
created power_cond_12 based on LTC6101
Joseph Coffland [Sat, 31 Dec 2016 17:04:01 +0000 (09:04 -0800)]
New power sims
Doug [Fri, 30 Dec 2016 20:13:29 +0000 (12:13 -0800)]
power_cond_9x uses hot plug controller
Joseph Coffland [Thu, 29 Dec 2016 16:55:59 +0000 (08:55 -0800)]
Made room for power circuits, updated revision, updated copyright year
Joseph Coffland [Thu, 29 Dec 2016 13:35:39 +0000 (05:35 -0800)]
Added overcurrent protection
Joseph Coffland [Wed, 28 Dec 2016 13:11:59 +0000 (05:11 -0800)]
Removed unnecessary cap
Joseph Coffland [Wed, 28 Dec 2016 13:00:56 +0000 (05:00 -0800)]
new cond sim
Doug [Wed, 28 Dec 2016 07:07:26 +0000 (23:07 -0800)]
possible circuit in power_cond_7x.asc
Joseph Coffland [Wed, 28 Dec 2016 04:47:37 +0000 (20:47 -0800)]
new cond sim
Joseph Coffland [Fri, 23 Dec 2016 21:59:39 +0000 (13:59 -0800)]
routing
Joseph Coffland [Fri, 23 Dec 2016 21:35:01 +0000 (13:35 -0800)]
routing
Joseph Coffland [Wed, 21 Dec 2016 23:42:49 +0000 (15:42 -0800)]
Positioning
Joseph Coffland [Wed, 21 Dec 2016 23:42:39 +0000 (15:42 -0800)]
Safer 0805 part spacing
Joseph Coffland [Tue, 20 Dec 2016 01:16:57 +0000 (17:16 -0800)]
Merge branch 'master' of github.com:buildbotics/pcb
Joseph Coffland [Tue, 20 Dec 2016 01:16:48 +0000 (17:16 -0800)]
Improved 5v non-iso ripple
Doug Coffland [Sun, 27 Nov 2016 20:28:36 +0000 (12:28 -0800)]
connected RPI pins to ISOGND
Joseph Coffland [Sat, 26 Nov 2016 01:54:00 +0000 (17:54 -0800)]
Fixed silk, Aligned polys, Move parts out of RPI conn keepout area, Improved routing, Moved vias and parts around to make room for silk
Joseph Coffland [Sat, 26 Nov 2016 01:50:59 +0000 (17:50 -0800)]
Widened keepout area
Doug Coffland [Fri, 25 Nov 2016 21:11:00 +0000 (13:11 -0800)]
changed a couple of part numbers for equal valued comcomponents so we could get larger quantities of individual part numbers
Doug Coffland [Wed, 23 Nov 2016 04:55:41 +0000 (20:55 -0800)]
all DRC and DFM errors cleared
Doug Coffland [Wed, 23 Nov 2016 02:24:44 +0000 (18:24 -0800)]
fixed footprint for P/J1, improved footprint fo TSSOP38 by reducing solder mask clearance, moved non-ISO PS up, level shifters down, and power conditioning compomponents down a little to allow sliding board into enclosure without conflict, fixed silkscreen on P/L1, changed part number on P/C6 to avoid confusion on whether part is 1210 or 0805
Doug Coffland [Tue, 22 Nov 2016 05:10:43 +0000 (21:10 -0800)]
Merge branch 'master' of https://github.com/buildbotics/pcb
Joseph Coffland [Tue, 22 Nov 2016 00:57:23 +0000 (16:57 -0800)]
Added Vs to motor driver, other minor tweaks
Doug Coffland [Sat, 12 Nov 2016 02:51:23 +0000 (18:51 -0800)]
Merge branch 'master' of https://github.com/buildbotics/pcb
Doug Coffland [Sat, 12 Nov 2016 02:49:41 +0000 (18:49 -0800)]
corrected some part numbers
Joseph Coffland [Mon, 7 Nov 2016 00:06:25 +0000 (16:06 -0800)]
Increased clearance and thermal finger width
Joseph Coffland [Sun, 6 Nov 2016 23:59:26 +0000 (15:59 -0800)]
Uniform clearance
Joseph Coffland [Sun, 6 Nov 2016 23:52:06 +0000 (15:52 -0800)]
Uniform solder mask opening
Doug Coffland [Sun, 6 Nov 2016 19:07:46 +0000 (11:07 -0800)]
added copper in open space on top layer for additional capacitance
Joseph Coffland [Sun, 6 Nov 2016 05:01:17 +0000 (22:01 -0700)]
Poly tweaks
Joseph Coffland [Sun, 6 Nov 2016 04:54:40 +0000 (21:54 -0700)]
Use X thermals on all pins
Joseph Coffland [Sun, 6 Nov 2016 04:37:10 +0000 (21:37 -0700)]
Aligned polys
Joseph Coffland [Sun, 6 Nov 2016 04:04:19 +0000 (21:04 -0700)]
Scaled all text
Joseph Coffland [Sun, 6 Nov 2016 03:42:20 +0000 (20:42 -0700)]
Same thickness for all silk lines
Joseph Coffland [Sun, 6 Nov 2016 03:20:12 +0000 (20:20 -0700)]
Replaced contiguous lines
Joseph Coffland [Sun, 6 Nov 2016 02:06:15 +0000 (19:06 -0700)]
Fixed one Via thermal
Joseph Coffland [Sun, 6 Nov 2016 01:57:44 +0000 (18:57 -0700)]
Removed skewed lines
Joseph Coffland [Sun, 6 Nov 2016 01:44:22 +0000 (18:44 -0700)]
Removed short lines
Joseph Coffland [Sun, 6 Nov 2016 00:55:11 +0000 (17:55 -0700)]
All lines at multiples of 45 degrees
Joseph Coffland [Sat, 5 Nov 2016 09:52:21 +0000 (02:52 -0700)]
Fixed connector positions and locked them
Joseph Coffland [Sat, 5 Nov 2016 09:44:27 +0000 (02:44 -0700)]
Moved all unlocked parts, lines and vias on to grid. Fixed via thermals. Lots of fixes to silk layer. Moved level shifters. Moved power cond. circuit. Added missing labels. Fixed R/SERIAL labels. Aligned polygons.
Doug Coffland [Thu, 3 Nov 2016 19:28:50 +0000 (12:28 -0700)]
assigned part numbers for components recently added
Doug Coffland [Thu, 3 Nov 2016 03:10:42 +0000 (20:10 -0700)]
added capacitance pours to bottom layer, all DRC and DFM errors cleared
Doug Coffland [Wed, 2 Nov 2016 22:55:15 +0000 (15:55 -0700)]
layout complete with no legitimate DRC errors, changed testpoints a bit in power.sch and rpi_bus.sch to make routing easier
Doug Coffland [Mon, 31 Oct 2016 21:47:45 +0000 (14:47 -0700)]
Merge branch 'master' of https://github.com/buildbotics/pcb
Doug Coffland [Mon, 31 Oct 2016 21:47:06 +0000 (14:47 -0700)]
removed and replaced caps on schematic and layout and added footprint for one electolytic"
Doug [Mon, 31 Oct 2016 20:42:31 +0000 (13:42 -0700)]
picked final caps
Doug [Mon, 31 Oct 2016 19:45:39 +0000 (12:45 -0700)]
new hbridge.asc
Doug [Mon, 31 Oct 2016 19:13:12 +0000 (12:13 -0700)]
Merge branch 'master' of https://github.com/buildbotics/pcb
Doug [Mon, 31 Oct 2016 19:11:48 +0000 (12:11 -0700)]
corrected state machine
Doug Coffland [Mon, 31 Oct 2016 05:11:50 +0000 (22:11 -0700)]
replaced caps with values that Joe and I agreed upon
Joseph Coffland [Mon, 31 Oct 2016 01:36:52 +0000 (18:36 -0700)]
Updated hbrdige sim
Joseph Coffland [Sun, 30 Oct 2016 20:31:14 +0000 (13:31 -0700)]
Merge branch 'master' of github.com:buildbotics/pcb
Joseph Coffland [Sun, 30 Oct 2016 20:31:01 +0000 (13:31 -0700)]
h-bridge sim improvements
Doug Coffland [Sun, 30 Oct 2016 20:00:02 +0000 (13:00 -0700)]
removed all connections in layout and re-named layer 2 from ground to power and layer 3 from signal to ground
Doug Coffland [Sun, 30 Oct 2016 19:45:58 +0000 (12:45 -0700)]
removed unnecessary resistors in gate drive lines in motor_driver.sch and in layout
Doug Coffland [Sun, 30 Oct 2016 19:24:18 +0000 (12:24 -0700)]
removed old caps and imported new modeled caps into buildbotics_controller.pcb
Doug Coffland [Sun, 30 Oct 2016 19:18:11 +0000 (12:18 -0700)]
replaced power supply filter caps in motor_driver.sch with modeled components and added footprint files as needed
Doug Coffland [Sun, 30 Oct 2016 17:50:50 +0000 (10:50 -0700)]
removed C1 from power.sch and pcb layout
Doug [Sun, 30 Oct 2016 04:45:42 +0000 (21:45 -0700)]
didn't get hbridge.asc uploaded on last push
Doug [Sun, 30 Oct 2016 04:41:06 +0000 (21:41 -0700)]
.4V PtoP ripple and cap models specified
Doug [Sun, 30 Oct 2016 00:32:06 +0000 (17:32 -0700)]
removed test file
Doug [Sun, 30 Oct 2016 00:00:45 +0000 (17:00 -0700)]
'test'