MPQ4558 Buck Converter overview

Description

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Category
Sub-Category

MPQ4558 is a 55.00 V non-sync Buck Converter from with 1.00 A output current. The maximum 55.00 V input voltage can be regulated down into a 0.80 V to 52.00 V output voltage.

It requires are a typical inductor size of 10.00 µH, a typical external component count of 10 and achieves a peak efficiency of 88 %. Further MPQ4558 characteristics are a adjustable 1000 kHz switching frequency and 2 available package option(s): QFN-10 SOIC-8 .

For the MPQ4558 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.

ParameterValueReplacement
Search Filter
V-IN min. 4.50 V
V-IN max. 55.00 V
I-OUT? 1.00 A
V-OUT min. 0.80 V
V-OUT max. 52.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 1000 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 700 kHz
Frequency adj./ ext.clock max 1300 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode yes
Topology Buck
Peak Efficiency 88 %
Component count min. 10
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP
QFN/DFN QFN-10
SO/SOIC SOIC-8
SOP
DIP
TO
DDPAK

MPQ4558 Datasheet

Link to the most up-to-date MPQ4558 datasheet and the product page for EVM, tools and support information.

MPQ4558

MPQ4558 Sample stock and distributor price breaks

MPQ4558 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with MPQ4558 stock available

Available Distributors with stock: 0

no online Distributor with MPQ4558 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MPQ4558. Optional, compare MPQ4558 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MPQ4559 MPQ4559 product overviewMPQ4559 product overview MPS QFN-10
0% MPQ4560 MPQ4560 product overviewMPQ4560 product overview MPS SOIC-8E, QFN-10
0% MPQ4561 MPQ4561 product overviewMPQ4561 product overview MPS QFN-10
0% TPS57160-Q1 TPS57160-Q1 product overviewTPS57160-Q1 product overview Texas Instruments SON-10, MSOP-10
10% TPS54162-Q1 TPS54162-Q1 product overviewTPS54162-Q1 product overview Texas Instruments HTSSOP-20
50% TPS54040-Q1 TPS54040-Q1 product overviewTPS54040-Q1 product overview Texas Instruments SON-10, MSOP-10
50% TPS57060-Q1 TPS57060-Q1 product overviewTPS57060-Q1 product overview Texas Instruments SON-10, MSOP-10
50% MPQ2454-AEC1 MPQ2454-AEC1 product overviewMPQ2454-AEC1 product overview MPS QFN-10, MSOP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MPQ4558.

V-IN max. 55 V, I-OUT 1 A, V-OUT min. 0.8 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025002 2.2 1.8 2.4 57.00 2.8 x 2.8 x 3
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
744031002 2.5 1.5 1.3 50.00 3.8 x 3.8 x 1.8
74404024022 2.2 1.8 2.0 80.00 2.5 x 2 x 1.2
74404024033 3.3 1.4 1.3 120.00 2.5 x 2 x 1.2
74404032022 2.2 1.8 1.7 50.00 3 x 3 x 1.5
74404032033 3.3 1.5 1.5 70.00 3 x 3 x 1.5
74404041033 3.3 1.8 2.1 69.00 4 x 4 x 1.2
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
744042003 3.3 2.0 1.8 50.00 4.8 x 4.8 x 2
7440430022 2.2 2.5 2.4 27.00 4.8 x 4.8 x 3
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
744043003 3.3 2.2 1.8 30.00 4.8 x 4.8 x 3
744052003 3.0 2.2 2.4 40.00 5.8 x 5.8 x 2
744053003 3.0 2.8 2.5 20.00 5.8 x 5.8 x 3
744062003 3.3 2.8 2.5 20.00 6.8 x 6.8 x 2.5
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440680033 3.3 2.0 1.8 61.00 8 x 8 x 1.2
7440690033 3.3 2.6 2.3 42.00 8 x 8 x 1.5
74438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
74438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
74438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
74438343022 2.2 1.1 2.5 225.00 2.5 x 1.6 x 0.6
74479275222 2.2 1.3 1.7 166.00 2 x 1.25 x 1
74479276222 2.2 1.4 1.8 135.00 2 x 1.6 x 1
74479276222C 2.2 1.6 2.5 112.00 2 x 1.25 x 1
74479287222 2.2 1.5 2.5 132.00 2.5 x 2 x 1
74479888222 2.2 1.2 1.4 200.00 2.5 x 2 x 1
74479889222 2.2 1.3 1.7 250.00 2.5 x 2 x 1.2
74479889233 3.3 1.3 1.3 250.00 2.5 x 2 x 1.2
78438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
78438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
78438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
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