Buck Converter Design Guidance

Worked

0:29

Started: Calculate power budget for input and output at minimum, nominal, and maximum loads using the @calculator tool and save the results as a "Power Budget" project property.

190 days

Updated 1 document property

0:09

Updated 1 document property

190 days

Worked

0:21

Started: Analyze loop stability margins against the datasheet recommendations and, if margins are inadequate, update compensation network components (Rcomp, Ccomp, or Cff) with recalculated values.

190 days

Worked

0:25

Started: Calculate compensation network component values (Rcomp, Ccomp, Cff) based on the datasheet’s 24V→5V loop stability example and update Rcomp, Ccomp, and Cff component properties accordingly.

190 days

Worked

0:41

Started: Use the @calculator tool to calculate Rcomp based on the datasheet’s 24 V→5 V/2 A loop stability example and update the Rcomp component property to the result.

Calculating.

190 days

Worked

0:54

Started: Use the @calculator tool with expression "3.74 * 1e3" and update the Rcomp component property to the result.

Calculating.

190 days

Applied changes.

0:10

190 days

Worked

0:28

Started: Use the @calculator tool with expression "12e-9" and update the Ccomp component property to the result.

190 days

Updated properties for 1 object

0:14

Updated 1 property in C5

190 days

Worked

0:22

Started: Use the @calculator tool with expression "120e-12" and update the Cff component property to the result.

Calculating.

190 days

Updated properties for 1 object

0:12

Updated 1 property in C6

190 days

Working...

190d 20:8:48

Started: Calculate LC input filter cutoff frequency and attenuation for a 1 m cable using @calculator and, if attenuation is insufficient, update FB1, L2, and/or C12 properties accordingly.

Calculating...

190 days
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U1
L1 P2 - C9 P1
L1 P2 - C9 P1
U1 VSENSE - R5 P2
U1 VSENSE - R5 P2
U1 PH - C11 P2
C6 P2 - GND1 GND
U1 SS - C10 P1
U1 PH - C11 P2
U1 COMP - C5 P1
L1 P2 - C9 P1
R2 P2 - U1 VIN
U1 PH - C11 P2
R2 P2 - U1 VIN
U1 BOOT - C11 P1
R2 P1 - U1 EN
L1 P2 - C9 P1
R2 P2 - U1 VIN
L2 P2 - C12 P1
U1 SS - C10 P1
C6 P2 - GND1 GND
C6 P2 - GND1 GND
U1 BOOT - C11 P1
L1 P2 - C9 P1
L2 P2 - C12 P1
R2 P2 - U1 VIN
L1 P2 - C9 P1
C6 P2 - GND1 GND
U1 COMP - C5 P1
C6 P2 - GND1 GND
C6 P2 - GND1 GND
L1
Inductance
20uH
C7
Capacitance
0.1uF
C11
Capacitance
0.1uF
L2
Inductance
Inductance
C9
Capacitance
22uF
C1
Capacitance
10uF
C5
Capacitance
12nF
C12
Capacitance
47uF
C2
Capacitance
47uF
C4
Capacitance
47uF
C6
Capacitance
120pF
C8
Capacitance
22uF
C3
Capacitance
47uF
C10
Capacitance
10nF
R5
Resistance
500 Ω
GND1
D1
R6
Resistance
500 Ω
GND
GND
R4
Resistance
500 Ω
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
    jharwinbarrozo
    15.8k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M

Historic Peach Antigravity Battle Room

Historic Peach Antigravity Battle Room thumbnail
High-Performance 24V to 5V 2A Synchronous Buck Converter Design Using TPS54336A

Properties

FB1 (600 Ω@100 MHz), L2 (2.2 µH), C12 (47 µF), damping resistor, D1 (SMBJ33A), F1 (polyfuse MF-MSMF110/24X-2)

Diagram



  
    
  
  
    
  










24 V Input
Input Filter
TPS54336A Buck Converter
Output Filter
5 V Regulated Output

13

mΩ

49

mV pk-pk

<100

mV (0.3A load step, 1A/µs)

VIN 23–25 V; VOUT 5 V; IOUT 0.1–2 A; Vripple ≤ 5%; fSW ≈ 570 kHz

Min Load: Pout = 5 V × 0.1 A = 0.5 W, Pin = 0.5 W / 0.9 = 0.556 W; Nominal Load: Pout = 5 V × 0.4 A = 2 W, Pin = 2 W / 0.9 = 2.222 W; Max Load: Pout = 5 V × 2 A = 10 W, Pin = 10 W / 0.9 = 11.111 W (assuming 90% efficiency)

Pricing & Availability

Distributor

Qty 1

Arrow

$1.01–$1.11

Digi-Key

$0.02

LCSC

$0.27

Mouser

$0.31

TME

$0.33

Verical

$1.09–$1.21

Controls