SP6121 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

SP6121 is a 1 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 3.00 V to 5.50 V and output current goes up to 10.00 A.

The Controller features fixed 500 kHz switching frequency which results in a typical inductor size of 1.8 uH and a peak efficiency of 95 %. The SP6121 is available in  package option(s): .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 3.00 V
V-IN max. 5.50 V
I-OUT? 10.00 A
V-OUT min. 1.30 V
V-OUT max. 5.50 V
V-OUT adjustable
V-OUT programmable yes
sync/non-sync sync
Frequency typ. 500 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart yes
Softstart adjustable no
Tracking no
Power Good (PG) no
Enable no
Operating min. 0 °C
Operating max. 70 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 1.8 uH
Automotive AEC-Q100 no
Light-Load Mode no
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency 95 %
component count min. 12
current limit adjustable yes
Nr.of package options
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP

SP6121 Datasheet

Link to the most up-to-date SP6121 datasheet and the product page for EVM, tools and support information.

SP6121

SP6121 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 1

Mouser-Electronics (1)

ProductStockPriceBuy
SP6121CN-L5
11.93 USD
101.57 USD
1001.26 USD
5001.10 USD
10000.91 USD
25000.85 USD
50000.82 USD
100000.79 USD
250000.78 USD
Buy Now

Available Distributors without stock: 1

DIGI-KEY (0)

ProductStockPriceBuy
SP6121EB0
264.38 USD
Buy Now
SP6121CN-L0
1960.00 USD
Buy Now
SP6121CN-L/TR0
25000.00 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with SP6121 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to SP6121. Or, compare SP6121 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% MAX1716 MAX1716 product overviewMAX1716 product overview Maxim QSOP-24
0% MAX1854 MAX1854 product overviewMAX1854 product overview Maxim QSOP-24
0% MAX1855 MAX1855 product overviewMAX1855 product overview Maxim QSOP-24
0% TPS51518 TPS51518 product overviewTPS51518 product overview Texas Instruments 20WQFN
25% MAX1710 MAX1710 product overviewMAX1710 product overview Maxim QSOP-24
25% MAX1711 MAX1711 product overviewMAX1711 product overview Maxim QSOP-24
25% MAX1712 MAX1712 product overviewMAX1712 product overview Maxim QSOP-24

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP6121.

V-IN max. 5.5 V, I-OUT 10 A, V-OUT min. 1.3 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744310055 0.5 14.0 20.0 3.70 7 x 6.9 x 3.3
744311068 0.7 17.0 20.0 3.10 7 x 6.9 x 4
744314047 0.5 18.0 20.0 1.35 7 x 6.9 x 5
744316047 0.5 15.0 16.0 2.75 5.5 x 5.3 x 4.3
744316068 0.7 12.8 13.5 4.00 5.5 x 5.3 x 4.3
744323068 0.7 14.0 21.0 4.79 10.6 x 10.6 x 3.1
7443340068 0.7 19.0 23.5 2.65 8.4 x 7.9 x 7.5
744373460068 0.7 11.0 25.0 4.80 7.3 x 6.6 x 3
744373490068 0.7 12.0 26.0 4.00 7.3 x 6.6 x 5
744373770068 0.7 17.5 27.0 1.80 13.5 x 12.6 x 3.5
74477008 0.8 19.8 21.0 3.30 12 x 12 x 8
74477009 0.5 23.5 26.4 2.90 12 x 12 x 8
7447797050 0.5 13.2 23.0 4.30 10.2 x 10.2 x 4.5
7447798050 0.5 18.5 18.0 2.20 10.2 x 10.2 x 6.4
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
With the help of #OEMsecrets we show for all Selectors and products worldwide distributor inventory and prices. https://t.co/udaDPmshky
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Meet us at the Electronica Tradeshow in Munich, appointments under info@dcdcselector.com https://t.co/1uiualLN1x
Feedback
ajax-loader.gif
Loading. Please wait.