BD9E102 Buck Converter overview

Description

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BD9E102 is a 26.00 V sync Buck Converter from with 1.00 A output current. The maximum 26.00 V input voltage can be regulated down into a 1.00 V to 18.20 V output voltage.

It requires are a typical inductor size of 6.80 µH, a typical external component count of 8 and achieves a peak efficiency of 95 %. Further BD9E102 characteristics are a fixed 570 kHz switching frequency and 1 available package option(s): SOP-8 .

For the BD9E102 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. 7.00 V
V-IN max. 26.00 V
I-OUT? 1.00 A
V-OUT min. 1.00 V
V-OUT max. 18.20 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 570 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 175 °C
Inductor size typ. 6.80 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 8
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP SOP-8
DIP
TO
DDPAK

BD9E102 Datasheet

Link to the most up-to-date BD9E102 datasheet and the product page for EVM, tools and support information.

BD9E102

BD9E102 Sample stock and distributor price breaks

BD9E102 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with BD9E102 stock available

Available Distributors with stock: 0

no online Distributor with BD9E102 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to BD9E102. Optional, compare BD9E102 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MAX17502 MAX17502 product overviewMAX17502 product overview Maxim TSSOP-EP-14, TDFN-10
10% MCP16321 MCP16321 product overviewMCP16321 product overview Microchip QFN-16
10% TS30011 TS30011 product overviewTS30011 product overview Triune Systems QFN-16
25% LMR22007 LMR22007 product overviewLMR22007 product overview Texas Instruments DSBGA-9
50% MAX17501 MAX17501 product overviewMAX17501 product overview Maxim TQFN-16
50% TPS62160 TPS62160 product overviewTPS62160 product overview Texas Instruments SON-8
50% TPS62170 TPS62170 product overviewTPS62170 product overview Texas Instruments SON-8
50% TPS62175 TPS62175 product overviewTPS62175 product overview Texas Instruments WSON-10
50% TS30111 TS30111 product overviewTS30111 product overview Triune Systems QFN-16
50% TS30021 TS30021 product overviewTS30021 product overview Triune Systems QFN-16
50% TPS62160-Q1 TPS62160-Q1 product overviewTPS62160-Q1 product overview Texas Instruments WSON-8
50% TPS62170-Q1 TPS62170-Q1 product overviewTPS62170-Q1 product overview Texas Instruments SON-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of BD9E102.

V-IN max. 26 V, I-OUT 1 A, V-OUT min. 1 V, Frequency typ. 570 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025004 4.7 1.4 1.7 100.00 2.8 x 2.8 x 3
744025006 6.8 1.1 1.3 142.00 2.8 x 2.8 x 3
74404024047 4.7 1.1 1.2 175.00 2.5 x 2 x 1.2
74404032047 4.7 1.3 1.2 96.00 3 x 3 x 1.5
74404041047 4.7 1.6 1.9 91.00 4 x 4 x 1.2
74404042047 4.7 1.7 2.2 70.00 4 x 4 x 1.8
74404042068 6.8 1.5 1.8 98.00 4 x 4 x 1.8
74404052068 6.8 1.9 2.4 82.70 5 x 5 x 2
7440420039 3.9 1.8 1.7 60.00 4.8 x 4.8 x 2
744042004 4.7 1.7 1.7 70.00 4.8 x 4.8 x 2
744042005 5.6 1.6 1.4 80.00 4.8 x 4.8 x 2
744042006 6.8 1.5 1.3 80.00 4.8 x 4.8 x 2
7440430039 3.9 1.7 1.7 50.00 4.8 x 4.8 x 3
744043004 4.7 1.6 1.7 50.00 4.8 x 4.8 x 3
744043005 5.6 1.4 1.3 70.00 4.8 x 4.8 x 3
744043006 6.8 1.3 1.3 80.00 4.8 x 4.8 x 3
744045004 4.7 1.2 2.0 120.00 4.5 x 3.2 x 2.9
7440450056 5.6 1.2 1.9 144.00 4.5 x 3.2 x 2.9
744045006 6.8 1.1 1.6 160.00 4.5 x 3.2 x 2.9
7440520039 3.9 2.0 2.1 50.00 5.8 x 5.8 x 2
744052005 5.0 1.7 1.8 50.00 5.8 x 5.8 x 2
744052006 6.2 1.5 1.6 70.00 5.8 x 5.8 x 2
744053004 4.2 2.5 2.2 30.00 5.8 x 5.8 x 3
7440530047 4.7 2.4 2.0 30.00 5.8 x 5.8 x 3
744053005 5.3 2.3 1.9 30.00 5.8 x 5.8 x 3
744053006 6.2 2.2 1.7 40.00 5.8 x 5.8 x 3
744062005 5.0 2.2 2.0 40.00 6.8 x 6.8 x 2.5
744062006 6.2 1.9 1.8 40.00 6.8 x 6.8 x 2.5
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
7440680056 5.6 1.5 1.4 110.00 8 x 8 x 1.2
7440680068 6.8 1.4 1.2 127.00 8 x 8 x 1.2
7440690047 4.7 2.2 1.8 56.00 8 x 8 x 1.5
7440690068 6.8 1.8 1.7 88.00 8 x 8 x 1.5
7440700047 4.7 3.0 2.2 37.00 8 x 8 x 2
7440700056 5.6 2.6 2.0 47.00 8 x 8 x 2
7440700068 6.8 2.4 1.8 56.00 8 x 8 x 2
74408941068 6.8 1.1 2.1 190.00 4.8 x 4.8 x 2.1
74408942068 6.8 1.5 2.4 110.00 4.8 x 4.8 x 3.1
74437321068 6.8 1.3 2.4 300.00 4.45 x 4.06 x 1.2
74438324047 4.7 1.0 2.1 300.00 2.5 x 2 x 1.2
74438335068 6.8 1.1 2.4 250.00 3 x 3 x 1.5
744773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
7447785006 6.8 2.3 2.0 79.00 5.9 x 6.2 x 3.3
7447786006 6.8 2.5 2.3 62.00 5.9 x 6.2 x 5.1
78438335068 6.8 1.1 2.4 250.00 3 x 3 x 1.5
784773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
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