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448 days
schematic power 3v3 from pin lithium 18650
Thinking for 18 days 16 hrs...
448 days
The response is taking longer than expected.
give me a rough idea how to accomplish this project
1y
To design a buck-boost converter with the specified requirements using the TPS63051YFFR, here’s a rough plan:
Component Selection
- IC: Use the TPS63051YFFR as the main converter IC.
- Inductor: Choose an inductor with appropriate current rating, likely around 2.2 µH to 4.7 µH, considering the output current and switching frequency.
- Capacitors: Select input and output capacitors; tantalum or ceramic types are preferred.
- Diodes: A Schottky diode with sufficient current rating might be needed depending on the configuration.
-
Input Connections:
- Connect the positive terminal of the Li-ion battery to the input pin of the TPS63051YFFR.
- Ground the negative terminal of the battery.
-
Output Connections:
- Connect the output pin of the TPS63051YFFR to your load. Make sure it's capable of supplying 3.3V at 500mA.
-
Inductor:
- Connect the inductor between the switch pin and the output pin.
-
Capacitors:
- Connect the input capacitor across the input pin and ground.
- Connect the output capacitor across the output pin and ground.
-
Diodes (if needed):
- Connect a Schottky diode from the switch node to the ground.
-
Feedback Network:
- Implement a feedback resistor network to set the output voltage to 3.3V.
-
Layout Considerations:
- Place input capacitor as close as possible to the IC input pin.
- Keep the inductor and output capacitor close to minimize the loop area for noise reduction.
Using these steps, you can draft a schematic in Flux. Start by placing the TPS63051YFFR and then add inductors, capacitors, and other necessary components.
If you'd like, I can help suggest specific connections or guide you through the design on Flux. Let me know if you need assistance with calculations or specific connections!
1y
3
+3V3
VIN
J1
+3V3
C3
Capacitance
10uF
C2
Capacitance
10uF
EN
R1
Resistance
10kΩ
C1
Capacitance
10uF
EN
C4
Capacitance
1nF
VIN
H1
P3
U1
L3
Inductance
1.5uH
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Buck Boost +3V3 500mA
A buck boost converter that can be powered by a li ion battery and output 3v3 500mA. Powered by TPS63051YFFR and in the same package as a standard adafruit buck converter. Input voltage range 2.5V to 5.5V.
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
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vdani
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