TL1451A-Q1-Buck Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

TL1451A-Q1-Buck is a 2 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 3.60 V to 50.00 V and output current goes up to 3.00 A.

The Controller features adjustable 200 kHz switching frequency which results in a typical inductor size of 15.0 uH and a peak efficiency of 86 %. The TL1451A-Q1-Buck is available in 1 package option(s): TSSOP-16 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 3.60 V
V-IN max. 50.00 V
I-OUT? 3.00 A
V-OUT min. 1.00 V
V-OUT max. 50.00 V
V-OUT adjustable
V-OUT programmable no
sync/non-sync sync
Frequency typ. 200 kHz
Frequency adj. adjustable
Frequency adj. min. 0 kHz
Frequency adj. max. 500 kHz
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart yes
Softstart adjustable yes
Tracking no
Power Good (PG) no
Enable no
Operating min. -40 °C
Operating max. 125 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 15.0 uH
Automotive AEC-Q100 yes
Light-Load Mode no
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency 86 %
component count min. 37
current limit adjustable no
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP

TL1451A-Q1-Buck Datasheet

Link to the most up-to-date TL1451A-Q1-Buck datasheet and the product page for EVM, tools and support information.

TL1451A-Q1-Buck

TL1451A-Q1-Buck inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 10

ARROW-NAC (1)

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Element14 (2)

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NEWARK (1)

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Texas Instruments (10)

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VERICAL (13)

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Available Distributors without stock: 3

AVNET-AMERICAS (0)

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no online Distributor with TL1451A stock available

Table with equivalents and alternatives

The following Buck Controller are similar to TL1451A-Q1-Buck. Or, compare TL1451A-Q1-Buck side-by-side with other Buck Controller via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of TL1451A-Q1-Buck.

V-IN max. 50 V, I-OUT 3 A, V-OUT min. 1 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054047 4.7 3.0 3.8 30.00 5 x 5 x 4
74404064047 4.7 3.3 5.5 26.00 6 x 6 x 4.5
74404064068 6.8 3.0 4.3 31.00 6 x 6 x 4.5
74404084047 4.7 4.1 6.5 19.00 8 x 8 x 4.2
74404084068 6.8 3.6 5.0 24.00 8 x 8 x 4.2
7440650047 4.7 4.6 4.2 16.50 10 x 10 x 3.1
7440650068 6.8 4.2 3.6 25.00 10 x 10 x 3.1
744066005 5.0 4.9 5.5 14.50 10 x 10 x 4.1
7440660062 6.2 4.3 4.5 16.50 10 x 10 x 4.1
744071039 3.9 4.9 4.5 13.00 8 x 8 x 4.6
744071047 4.7 4.8 4.3 17.00 8 x 8 x 4.6
744071056 5.6 4.0 4.0 20.00 8 x 8 x 4.6
744311470 4.7 6.0 7.0 19.50 7 x 6.9 x 4
744314490 4.9 6.5 6.5 14.50 7 x 6.9 x 5
744314650 6.5 6.0 6.0 21.50 7 x 6.9 x 5
744316470 4.7 4.6 4.7 24.50 5.5 x 5.3 x 4.3
744316560 5.6 4.5 4.6 28.50 5.5 x 5.3 x 4.3
74437336047 4.7 3.5 7.0 50.00 5.7 x 5.2 x 3
74437336056 5.6 3.0 6.0 55.00 5.7 x 5.2 x 3
7447462047 4.7 4.2 3.7 19.00 5.5 x 5.5 x 8.5
7447471047 4.7 6.9 6.0 10.50 10.5 x 10.5 x 11.5
7447471068 6.8 6.4 5.0 11.90 10.5 x 10.5 x 11.5
744771006 6.8 5.6 6.0 14.00 12 x 12 x 6
7447713047 4.7 4.0 6.0 26.00 10 x 10 x 3
7447714056 5.6 6.0 7.2 12.00 10 x 10 x 5
7447714068 6.8 5.2 5.8 18.50 10 x 10 x 5
7447715004 4.7 5.2 6.3 13.50 12 x 12 x 4.5
7447715006 6.8 4.3 4.7 20.00 12 x 12 x 4.5
744772047 4.7 4.0 5.4 11.60 7.8 x 7.8 x 10
744772068 6.8 3.8 6.5 18.50 7.8 x 7.8 x 10
744777004 4.7 3.2 4.0 25.00 7.3 x 7.3 x 4.5
7447779004 4.7 3.2 4.4 28.00 7.3 x 7.3 x 4.5
7447798620 6.2 9.4 6.7 8.40 10.2 x 10.2 x 6.4
744787039 3.9 3.8 4.0 16.70 7.8 x 7 x 5
744787047 4.7 3.3 3.6 24.30 7.8 x 7 x 5
784771068 6.8 5.5 6.0 18.00 12 x 12 x 8.3
784774047 4.7 3.0 5.5 56.00 5.2 x 5.8 x 4.85
784775047 4.7 4.5 4.5 16.00 7 x 7.8 x 5.5
784775056 5.6 4.0 4.0 18.00 7 x 7.8 x 5.5
784775068 6.8 3.7 3.8 22.00 7 x 7.8 x 5.5
784776047 4.7 5.0 6.0 12.00 9 x 10 x 5.9
784776056 5.6 4.8 5.5 15.00 9 x 10 x 5.9
784776068 6.8 4.4 5.0 16.00 9 x 10 x 5.9
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Last Tweets
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
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