TPS54541 Buck Converter overview



TPS54541 is a 42.00 V non-sync Buck Converter from with 5.00 A output current. The maximum 42.00 V input voltage can be regulated down into a 0.80 V to 41.10 V output voltage.

It requires are a typical inductor size of 5.50 µH, a typical external component count of 12 and achieves a peak efficiency of 96 %. Further TPS54541 characteristics are a adjustable 2500 kHz switching frequency and 1 available package option(s): SON-10 .

For the TPS54541 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

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V-IN min. 4.50 V
V-IN max. 42.00 V
I-OUT? 5.00 A
V-OUT min. 0.80 V
V-OUT max. 41.10 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 2500 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 100 kHz
Frequency adj./ ext.clock max 2500 kHz
Softstart yes
Softstart adjustable yes
Tracking yes
PG/Power OK yes
Quiescent current max. 175 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 176 °C
Inductor size typ. 5.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 96 %
Component count min. 12
current limit adjustable no
Nr.of packages 1

TPS54541 Datasheet

Link to the most up-to-date TPS54541 datasheet and the product page for EVM, tools and support information.


TPS54541 Sample stock and distributor price breaks

TPS54541 prices and online available distributors.

Available Distributors with stock: 0

no online Distributor with TPS54541 stock available

Available Distributors with stock: 0

no online Distributor with TPS54541 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to TPS54541. Optional, compare TPS54541 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
50% TPS54240 TPS54240 product overviewTPS54240 product overview Texas Instruments SON-10, MSOP-10
50% TPS54240-Q1 TPS54240-Q1 product overviewTPS54240-Q1 product overview Texas Instruments SON-10, MSOP-10
50% TPS54362-Q1 TPS54362-Q1 product overviewTPS54362-Q1 product overview Texas Instruments HTSSOP-20
50% TPS54361 TPS54361 product overviewTPS54361 product overview Texas Instruments WSON-10
50% TPS54361-Q1 TPS54361-Q1 product overviewTPS54361-Q1 product overview Texas Instruments WSON-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of TPS54541.

V-IN max. 42 V, I-OUT 5 A, V-OUT min. 0.8 V, Frequency typ. 2500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74406900022 0.2 5.5 7.5 9.00 8 x 8 x 1.5
74407000018 0.2 9.0 9.0 3.51 8 x 8 x 2
744089420022 0.2 5.3 13.5 12.20 4.8 x 4.8 x 3.1
744089430022 0.2 5.0 13.0 12.00 4.8 x 4.8 x 4.1
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