STM32 Battery LED Design


Worked for 2 mins 11 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
Wiring pins.
I want you to help me design a circuit for feeding stm32 nucleo rb410 with simple battey of 1.5V to run it and then this stm32 is connect with LED green, later I will program this pin of LED as output so, help me to design this
No circuit changes were made in this session because no ACUs are currently available.
Remaining design work:
  • Confirm the exact Nucleo model (“RB410” is ambiguous) and its permitted power-input pin/voltage.
  • Design a 1.5 V-to-board-voltage boost supply sized for the Nucleo’s peak current; 1.5 V cannot power a typical Nucleo directly.
  • Add input bypassing, output capacitors, power switch, and battery undervoltage protection.
  • Add a green LED with a current-limiting resistor to a suitable GPIO.
  • Verify battery runtime and peak-current capability.
Please provide the exact board part number and battery type/size (AA, AAA, alkaline, NiMH, etc.) once ACUs are available.
Specify board and battery
Design AA boost supply
Size LED resistor

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