SP6121 Buck Controller overview
Description
Manufacturer
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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
| Parameter | Value | Replacement 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 |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 500 kHz | |
| Frequency adj. | fixed | |
| Frequency adj. min. | ||
| Frequency adj. max. | ||
| ext.clock sync. |  |
|
| ext.clock Frequency min. | ||
| ext.clock Frequency max. | ||
| Softstart | |
|
| Softstart adjustable | |
|
| Tracking | |
|
| Power Good (PG) | |
|
| Enable | |
|
| Operating min. | 0 °C | |
| Operating max. | 70 °C | |
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | ||
| Inductor size typ. | 1.8 uH | |
| Automotive AEC-Q100 | |
|
| Light-Load Mode | |
|
| Single/ Multiphase | single | |
| Nr. of Phases | 1 | |
| Peak Efficiency | 95 % | |
| component count min. | 12 | |
| current limit adjustable | |
|
| 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 inventory, samples and price
Available Distributors with stock: 1
Mouser-Electronics (1)
| Product | Stock | Price | Buy | ||||||||||||||||||
| SP6121CN-L | 5 |
| Buy Now |
Available Distributors without stock: 1
DIGI-KEY (0)
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 overview |
Maxim | QSOP-24 | |
| 0% | MAX1854 | MAX1854 product overview |
Maxim | QSOP-24 | |
| 0% | MAX1855 | MAX1855 product overview |
Maxim | QSOP-24 | |
| 0% | TPS51518 | TPS51518 product overview |
Texas Instruments | 20WQFN | |
| 25% | MAX1710 | MAX1710 product overview |
Maxim | QSOP-24 | |
| 25% | MAX1711 | MAX1711 product overview |
Maxim | QSOP-24 | |
| 25% | MAX1712 | MAX1712 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 |
