WiFi & Bluetooth Sensor Node
Worked for 1 min
6/6 Run schematic/design checks and fix actionable issues
Rename project, create specification, and record initial requirements/power budget
Select library parts for MCU, T/RH sensor, USB-C input, regulator, and protection
Add main components and supporting passives to the schematic
Wire USB-C power/protection, 3.3 V rail, MCU boot/debug, USB data, I2C sensor, and indicators
Create firmware/regulatory/bring-up project files
Run schematic/design checks and fix actionable issues
Thought for 46 sec
Reading project docs.
Getting a BOM overview.
Completed 11 design checks — found 114 issues.
Thought for 42 sec — Verifying eFuse features
Read U2, TPS259530DSGT datasheets.
Thought for a moment
Searching for eFuse solutions
I need to address the issue with TPS2596 that requires fixing since the user needs the reverse. It looks like I have to replace or add an ideal diode. To do that, I should search for a part with back-to
Worked for 3 mins 14 sec
Thought for 47 sec — Searching for eFuse solutions
Found 4 results for TPS25942.
Found 3 results for TPS25944.
Found 3 results for Find eFuse with true reverse current blocking back-to-back FET for 5 V USB-C input, includes OVP UVLO OCP adjustable current limit around 1 A, available in Flux library, active SMD part. Candidate TI TPS25942 TPS25944 or similar..
Thought for 43 sec
Thought for 18 sec — Planning component replacement
Read TPS25940LRVCR tps25940.pdf.
Thought for 1 min 36 sec
Thought for 28 sec — Calculating resistor values
Added U2 and R15 and removed U2.
Thought for a moment
Reading schematic details for U2.
Thought for 25 sec
Set properties on R3, R5, R6 and 1 more.
Thought for 18 sec
Connected U2:IN_1, U2:IN_2, U2:IN_3 and 20 more and disconnected R6:P2 and R4:P1.
Thought for 32 sec
Connected U2:~FLT, U2:IMON, R15:P1 and 1 more.
Thought for 26 sec
Editing "board-bring-up-plan-usb-c-wifi-ble-th-se..." project doc.
Thought for a moment
Considering net naming issues
I’m noticing that the patch used net EFUSE_OVP, but the actual net might be EFUSE_OVCSEL. I should
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