From 7d40646c3a4d295650a020596f505ae4c5a80911 Mon Sep 17 00:00:00 2001
From: andreika-git <andrei.home@gmail.com>
Date: Sat, 23 Jul 2022 21:49:34 +0300
Subject: [PATCH] board_id_alpha4ch-d.csv

---
 board_id_alpha4ch-d.csv          |  3 ++
 bom_replace_alphax_4ch-d-wip.csv | 74 ++++++++++++++++++++++++++++++++
 hellen-one                       |  2 +-
 3 files changed, 78 insertions(+), 1 deletion(-)
 create mode 100644 board_id_alpha4ch-d.csv
 create mode 100644 bom_replace_alphax_4ch-d-wip.csv

diff --git a/board_id_alpha4ch-d.csv b/board_id_alpha4ch-d.csv
new file mode 100644
index 000000000..5a2d23fa2
--- /dev/null
+++ b/board_id_alpha4ch-d.csv
@@ -0,0 +1,3 @@
+# resistor | value | footprint | part_number
+"R133","620","R0603","C23220"
+"R134","1000","R0603","C21190"
diff --git a/bom_replace_alphax_4ch-d-wip.csv b/bom_replace_alphax_4ch-d-wip.csv
new file mode 100644
index 000000000..3d0db4a45
--- /dev/null
+++ b/bom_replace_alphax_4ch-d-wip.csv
@@ -0,0 +1,74 @@
+# remove the jumper connection from VCC_PP1 to +5V: we need +12v power supply for push-pull outputs.
+R309,
+
+# remove +5V pull-ups from SPI1, because we use it with +3.3v accelerometer
+R103,
+R105,
+
+# remove jumper resistor connecting BOOT1 with A22 input line, because we use STM32F4
+R131,
+
+# STM32
+U105,"STM32F407ZGT6","LQFP144","C19156"
+
+#Alpha4Ch: We don't use VREF1 & VREF2, so we don't need these resistors
+R212,
+R213,
+
+# DC-DC Inductor
+L421,"MWSA0503S-100MT","MWSA0503","C408412"
+L420,"LBC3225T2R2MR","L1210","C223413"
+
+# LMR14020->LMR14030 (more power, no problem)
+U420,"LMR14030","SOP8","C182078"
+
+#fuses
+F101,"nSMD035-16V","SMD1206","C70072"
+F410,"nSMD050-24V","SMD1206","C70076"
+F300,"nSMD050-24V","SMD1206","C70076"
+F5,"Fuse-5A-1206","SMD1206","C553924"
+F6,"Fuse-5A-1206","SMD1206","C553924"
+
+#power distribution
+U103,"AP2331W-7","SOT-23","C460346"
+U480,"AP2331W-7","SOT-23","C460346"
+
+# JLC-BOM stock shortages...
+U420,"LMR14020SDDAR","SOP8","C187824"
+S1,"TS-1088R-02026","SMD-2_2.9x3.9x1.7","C455280"
+S2,"TS-1088R-02026","SMD-2_2.9x3.9x1.7","C455280"
+L420,"NLV32T-2R2J-PF","L1210","C89016"
+R4,"4D03WGF1001T5E","R0603-4","C425239"
+# trigger schmidt buffer
+U2,"74HC2G17GW","SOT-363","C94189"
+U5,"74HC2G17GW","SOT-363","C94189"
+# analog switches for VR-discrete
+"U755, U756, U755_2, U756_2","WAS3157B-6","SOT-363","C213161"
+# smart MOSFETs
+Q6,"VND14NV04TR-E","DPAK","C2649436"
+Q7,"VND14NV04TR-E","DPAK","C2649436"
+Q8,"VND14NV04TR-E","DPAK","C2649436"
+Q9,"VND14NV04TR-E","DPAK","C2649436"
+Q22,"VND14NV04TR-E","DPAK","C2649436"
+Q23,"VND14NV04TR-E","DPAK","C2649436"
+Q26,"VND14NV04TR-E","DPAK","C2649436"
+Q28,"VND14NV04TR-E","DPAK","C2649436"
+Q29,"VND14NV04TR-E","DPAK","C2649436"
+Q30,"VND14NV04TR-E","DPAK","C2649436"
+
+# use cheaper components
+"Q1, Q2, Q10, Q11, Q12, Q15, Q19, Q20, Q21, Q24, Q25, Q27, Q33, Q34, Q35, Q36","AO3400A","SOT-23","C700953"
+"Q3, Q4, Q5, Q13, Q14, Q16, Q17, Q18, Q31, Q32","AO3401A","SOT-23","C700954"
+
+# remove R40 because we'll populate TLS115
+R40,
+# no TLS115
+U1,"TLS115","PG-DSO-8-43",""
+# no Cortex 5x2 header
+J2,"Cortex_Debug","PinHeader_2x05_P1.27mm_Vertical_SMD",""
+# no MAP sensor
+U3,"MPXH6400A","MPXH6400A-SSOP8",""
+# no TLE9201SG
+U6,"TLE9201SG","Infineon_PG-DSO-12-11",""
+
+#include board_id_alpha4ch-d.csv 
diff --git a/hellen-one b/hellen-one
index a823eafc6..b2ce8ad5f 160000
--- a/hellen-one
+++ b/hellen-one
@@ -1 +1 @@
-Subproject commit a823eafc65400bec2a1430b8f85fda4c5ce29a1f
+Subproject commit b2ce8ad5f6a5d00b380458174b3ace83ebad296f