TPS61028 Boost Converter Overview



TPS61028 is a 5.50 V, 0.80 A switch current limit sync Boost Converter from . The input voltage from 0.90 V to 6.50 V  can be boosted into an output voltage ranging from 1.80 V to 5.50 V.

Features of the Boost Converter are fixed 600 kHz switching frequency, a typical inductor size of 6.8 µH and it offers a peak efficiency of  up to 96 %. The minimum external component count is 9 and TPS61028 is available in 1 package option(s): QFN-10 .

For TPS61028 replacement search, 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.

Search Filter
V-IN min. 0.90 V
V-IN max. 6.50 V
Current-Limit typ.? 0.80 A
V-OUT min. 1.80 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 600 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Frequency sync. min.
Frequency sync. max.
Down Mode yes
Quiescent current max. 45 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 140 °C
Inductor size typ. 6.8 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 96 %
Component count min. 9
current limit adjustable no
Nr.of package options 1

TPS61028 Datasheet

Link to the most up-to-date TPS61028 datasheet and the product page for EVM, tools and support information.


TPS61028 Price breaks and distributor sample stock

TPS61028 prices and available online distributors.

Available Distributors with stock: 0

no online Distributor with TPS61028 stock available

Available Distributors with stock: 0

no online Distributor with TPS61028 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to TPS61028. Optional, compare TPS61028 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
10% LTC3537 LTC3537 product overviewLTC3537 product overview Linear Technology QFN-16
25% MAX1706 MAX1706 product overviewMAX1706 product overview Maxim Integrated QSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of TPS61028.

V-IN min. 0.9 V, Current-Limit typ. 0.8 A, V-OUT max. 5.5 V, Frequency typ. 600 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74407000047 0.5 7.8 6.5 5.80 8 x 8 x 2
744373210047 0.5 5.4 9.0 18.00 4.45 x 4.06 x 1.2
744373240056 0.6 6.0 10.5 13.50 4.45 x 4.06 x 2
744373240068 0.7 5.5 10.0 16.00 4.45 x 4.06 x 2
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
744383560068 0.7 8.2 9.4 7.50 4.1 x 4.1 x 2.1
744778005 0.5 5.6 9.0 7.20 7.3 x 7.3 x 3.4
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