David/HughesTelematic
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add errata to schematic (but does not yet correct the schematic).

Browse Source 
Add Switching supply simulations - original and with component swap error.
This commit is contained in:
David
2019-05-27 20:02:50 +00:00
parent ee858440b7
commit 6d0c4dfcf4
6 changed files with 15 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

BIN
Datasheets/Report - 3.3V 1.0A Supply - Modified to 33uH.pdf Normal file
View File

Binary file not shown.

BIN
Datasheets/Report - 3.3V 1.0A Supply - Original at 15uH.pdf Normal file
View File

Binary file not shown.

BIN
Datasheets/Report - 5.0V 0.7A Supply - Modified to 15uH.pdf Normal file
View File

Binary file not shown.

BIN
Datasheets/Report - 5.0V 0.7A Supply - Original at 33uH.pdf Normal file
View File

Binary file not shown.

BIN
Datasheets/U - N-Ch Mosfet - On Semi - BSS123LT1-D.PDF Normal file
View File

Binary file not shown.

16
Hardware/HughesTelematics.sch
View File

@@ -9291,6 +9291,21 @@ Supply</text>
<text x="198.12" y="142.24" size="2.54" layer="97">MBED and Peripheral 5.0V Supply</text> <text x="198.12" y="142.24" size="2.54" layer="97">MBED and Peripheral 5.0V Supply</text>
<text x="205.74" y="99.06" size="2.54" layer="97">Radio Modem 3.3V Supply</text> <text x="205.74" y="99.06" size="2.54" layer="97">Radio Modem 3.3V Supply</text>
<text x="214.63" y="60.96" size="2.54" layer="97">Sensor 5.0V Supply</text> <text x="214.63" y="60.96" size="2.54" layer="97">Sensor 5.0V Supply</text>
<text x="116.84" y="53.848" size="1.016" layer="97">&lt;= 0.7V; Reg. On
&gt;= 2.0V; Ref. Off</text>
<text x="115.824" y="94.488" size="1.016" layer="97">&lt;= 1.05V; Reg. Off</text>
<text x="7.62" y="129.54" size="2.54" layer="97">v1.0 ERRATA</text>
<text x="12.7" y="127" size="2.54" layer="97" rot="MR180">U2,U3 SHDN_N logic error.
Connect pin 4s to KEY_SENSE
for correct logic.
L1,L2 Footprint error.
Swap SCH L1 to PCB L2
and SCH L2 to PCB L1.
D1 Upper Cathode clamp.
When pwr is off, it may not
properly turn on.</text>
</plain> </plain>
<instances> <instances>
<instance part="FRAME3" gate="G$1" x="0" y="0"/> <instance part="FRAME3" gate="G$1" x="0" y="0"/>
@@ -9773,7 +9788,6 @@ Supply</text>
<pinref part="U11" gate="G$1" pin="SH-DOWN"/> <pinref part="U11" gate="G$1" pin="SH-DOWN"/>
<wire x1="128.27" y1="53.34" x2="90.17" y2="53.34" width="0.1524" layer="91"/> <wire x1="128.27" y1="53.34" x2="90.17" y2="53.34" width="0.1524" layer="91"/>
<junction x="90.17" y="53.34"/> <junction x="90.17" y="53.34"/>
<label x="95.25" y="53.34" size="2.54" layer="95"/>
<pinref part="R4" gate="G$1" pin="1"/> <pinref part="R4" gate="G$1" pin="1"/>
<junction x="90.17" y="137.16"/> <junction x="90.17" y="137.16"/>
<pinref part="U1" gate="G$1" pin="D"/> <pinref part="U1" gate="G$1" pin="D"/>