MBI6651 Buck LED driver IC overview

Description

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Category
Sub-Category

MBI6651 is a non-sync DC/DC Buck LED driver IC from . Maximum input voltage is 36.0 V and it drives an output current of up to 1.00 A. Assuming a typical 3.5V LED forward voltage MBI6651 can drive up to 6 LED in series.

The LED Buck driver IC features fixed 400 kHz switching frequency, a feedback voltage of 0.10 V and requires a typical inductor size of 68.0 uH. This combination results in a peak efficiency of ~96 %. MBI6651 comes in 3 package option(s) - SOT23-6 MSOP-8 TO252-5 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 9.0 V
V-IN max. 36.0 V
Nr.of LEDs max. 6
I-OUT? 1.00 A
MOSFET intern
ext.clock sync. no
sync/non-sync non-sync
Frequency typ. 400 kHz
Frequency adjustable fixed
Frequency min.
Frequency max.
Softstart yes
Softstart adjustable no
Quiescent current max. 2000 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 165.0 °C
Inductor size 68.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 0.10 V
Automotive AEC-Q100 no
Topology Buck
Peak Efficiency 96 %
Component count min. 4
DC Dimming no
PWM Dimming yes
digital dimming no
Nr. of package options 3
SC70
SOT SOT23-6
MSOP MSOP-8
QFN/DFN
SO/SOIC
SOP
DIP
TO TO252-5
Variation
LED temperature compensation no

MBI6651 Datasheet

Link to the most up-to-date MBI6651 datasheet and the product page for EVM, tools and support information.

MBI6651

MBI6651 inventory, samples and price

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Equivalents and alternatives

The following DC/DC LED Buck driver are similar to MBI6651. Optional, compare MBI6651 side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
0% AOZ1084DI AOZ1084DI product overviewAOZ1084DI product overview Alpha Omega DFN-8
0% AP8802 AP8802 product overviewAP8802 product overview Diodes DFN-10, SO-8
0% AP8802H AP8802H product overviewAP8802H product overview Diodes SO-8
0% PAM2861 PAM2861 product overviewPAM2861 product overview Diodes SOT23-5, SOT89-5
0% PAM2863 PAM2863 product overviewPAM2863 product overview Diodes PSOP-8
0% ZXLD1362 ZXLD1362 product overviewZXLD1362 product overview Diodes TSOT25-5
0% ZXLD1366 ZXLD1366 product overviewZXLD1366 product overview Diodes TSOT25-5, DFN-6, SO-8
0% GT5315 GT5315 product overviewGT5315 product overview Giantec SOT89-5, SOP-8
0% ILD4120 ILD4120 product overviewILD4120 product overview Infineon DSO-8
0% ILD4180 ILD4180 product overviewILD4180 product overview Infineon DSO-8
0% ILD6150 ILD6150 product overviewILD6150 product overview Infineon DSO-8
0% TLD5085 TLD5085 product overviewTLD5085 product overview Infineon DSO-8
0% MBI6653 MBI6653 product overviewMBI6653 product overview Macroblock MSOP-8, SOP-8
0% MBI6654 MBI6654 product overviewMBI6654 product overview Macroblock MSOP-8, SOP-8
0% MBI6655 MBI6655 product overviewMBI6655 product overview Macroblock SOT89-5, SOP-8
0% MBI6661 MBI6661 product overviewMBI6661 product overview Macroblock SOP-8, TO252-5
0% MIC3202 MIC3202 product overviewMIC3202 product overview Micrel SOIC-8
0% MIC3202-1 MIC3202-1 product overviewMIC3202-1 product overview Micrel SOIC-8
0% MP2481 MP2481 product overviewMP2481 product overview MPS MSOP-8
0% MP2489 MP2489 product overviewMP2489 product overview MPS TSOT23-5, QFN-6
0% RT8450 RT8450 product overviewRT8450 product overview Richtek WDFN-12, TSSOP-16
0% RT8450B RT8450B product overviewRT8450B product overview Richtek WDFN-12, TSSOP-16
0% RT8463 RT8463 product overviewRT8463 product overview Richtek WDFN-12, TSSOP-14
0% TS19378CS TS19378CS product overviewTS19378CS product overview Taiwan Semi SOP-8
0% MP24895 MP24895 product overviewMP24895 product overview MPS TSOT23-5, QFN-6
0% MPQ2489 MPQ2489 product overviewMPQ2489 product overview MPS TSOT23-5, QFN-6
0% MPQ2489-AEC1 MPQ2489-AEC1 product overviewMPQ2489-AEC1 product overview MPS TSOT23-5, QFN-6
0% RT8453B RT8453B product overviewRT8453B product overview Richtek SOP-8
0% RT8474 RT8474 product overviewRT8474 product overview Richtek SOP-8
0% RT8474A RT8474A product overviewRT8474A product overview Richtek SOP-8
0% MBI6663 MBI6663 product overviewMBI6663 product overview Macroblock SOP-8, TO252-5
0% XRP7613 XRP7613 product overviewXRP7613 product overview Exar SOIC-8
0% ZXLD1362Q ZXLD1362Q product overviewZXLD1362Q product overview Diodes TSOT25-5
0% ZXLD1366Q ZXLD1366Q product overviewZXLD1366Q product overview Diodes TSOT25-5, DFN-6
10% SD42525 SD42525 product overviewSD42525 product overview Silan Micro SOT23-6, SOP-8, SOT89-5
25% AOZ1083CI AOZ1083CI product overviewAOZ1083CI product overview Alpha Omega SOT23-6
25% AP8803 AP8803 product overviewAP8803 product overview Diodes TSOT25-5
25% ZXLD1360 ZXLD1360 product overviewZXLD1360 product overview Diodes TSOT25-5
25% XRP7604 XRP7604 product overviewXRP7604 product overview Exar SO-8
25% ILD6070 ILD6070 product overviewILD6070 product overview Infineon DSO-8
25% MBI6652 MBI6652 product overviewMBI6652 product overview Macroblock MSOP-8, SOT23-6
25% RT8470 RT8470 product overviewRT8470 product overview Richtek SOT23-5, SOP-8
25% RT8472 RT8472 product overviewRT8472 product overview Richtek SOT23-5
25% RT8473 RT8473 product overviewRT8473 product overview Richtek SOT23-5
25% ZXLD1360Q ZXLD1360Q product overviewZXLD1360Q product overview Diodes TSOT25-5
50% AP8801 AP8801 product overviewAP8801 product overview Diodes MSOP-8, SO-8
50% ZXLD1356 ZXLD1356 product overviewZXLD1356 product overview Diodes TSOT25-5, DFN-6
50% XRP7603 XRP7603 product overviewXRP7603 product overview Exar SO-8
50% MBI6660 MBI6660 product overviewMBI6660 product overview Macroblock SOP-8, TO252-5
50% MIC3201 MIC3201 product overviewMIC3201 product overview Micrel SOIC-8
50% LM3405A LM3405A product overviewLM3405A product overview Texas Instruments MSOP-8, SOT23-6
50% ZXLD1356Q ZXLD1356Q product overviewZXLD1356Q product overview Diodes TSOT25-5, DFN-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MBI6651.

V-IN min. 9 V, V-IN max. 36 V, I-OUT 1 A, Frequency typ. 400 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054330 33.0 1.2 1.4 188.00 5 x 5 x 4
74404054470 47.0 1.0 1.2 272.00 5 x 5 x 4
74404063330 33.0 1.2 1.5 185.00 6 x 6 x 2.8
74404063470 47.0 1.1 1.3 315.00 6 x 6 x 2.8
74404064330 33.0 1.5 1.8 137.00 6 x 6 x 4.5
74404064470 47.0 1.2 1.5 200.00 6 x 6 x 4.5
74404084330 33.0 1.8 2.2 97.00 8 x 8 x 4.2
74404084470 47.0 1.6 1.9 136.00 8 x 8 x 4.2
744065330 33.0 1.6 1.3 139.00 10 x 10 x 3.1
744066330 33.0 2.1 1.8 92.00 10 x 10 x 4.1
744066470 47.0 1.8 1.9 121.00 10 x 10 x 4.1
744071330 33.0 1.9 1.5 95.00 8 x 8 x 4.6
744071470 47.0 1.6 1.3 120.00 8 x 8 x 4.6
74437349560 56.0 1.4 2.0 342.00 7.3 x 6.6 x 5
744732470 47.0 1.8 1.9 114.00 9 x 9 x 8
7447462330 33.0 1.4 1.4 153.00 5.5 x 5.5 x 8.5
7447462470 47.0 1.2 1.2 220.00 5.5 x 5.5 x 8.5
744771156 56.0 2.0 2.4 87.00 12 x 12 x 6
7447713330 33.0 1.4 2.2 170.00 10 x 10 x 3
7447713470 47.0 1.2 1.9 207.00 10 x 10 x 3
7447714560 56.0 2.0 2.3 101.00 10 x 10 x 5
7447715470 47.0 2.0 2.1 105.00 12 x 12 x 4.5
744772560 56.0 2.0 2.4 109.50 7.8 x 7.8 x 10
744775133 33.0 1.4 1.5 87.80 7 x 7.8 x 5.5
744775139 39.0 1.3 1.3 116.00 7 x 7.8 x 5.5
744775147 47.0 1.2 1.2 134.30 7 x 7.8 x 5.5
744776133 33.0 1.8 1.9 82.60 9 x 10 x 5.9
744776139 39.0 1.6 1.8 98.30 9 x 10 x 5.9
744776147 47.0 1.5 1.6 95.10 9 x 10 x 5.9
744776156 56.0 1.4 1.5 112.00 9 x 10 x 5.9
744777133 33.0 1.1 1.4 140.00 7.3 x 7.3 x 4.5
744777139 39.0 1.1 1.2 145.00 7.3 x 7.3 x 4.5
7447779133 33.0 1.1 1.4 140.00 7.3 x 7.3 x 4.5
7447779139 39.0 1.1 1.2 145.00 7.3 x 7.3 x 4.5
744787330 33.0 1.5 1.3 137.00 7.8 x 7 x 5
784775133 33.0 1.4 1.5 89.00 7 x 7.8 x 5.5
784775139 39.0 1.3 1.3 116.00 7 x 7.8 x 5.5
784775147 47.0 1.2 1.2 134.00 7 x 7.8 x 5.5
784776133 33.0 1.8 1.9 83.00 9 x 10 x 5.9
784776139 39.0 1.6 1.8 98.00 9 x 10 x 5.9
784776147 47.0 1.5 1.6 95.00 9 x 10 x 5.9
784776156 56.0 1.4 1.5 112.00 9 x 10 x 5.9
784777470 47.0 1.2 1.3 250.00 7.3 x 7.3 x 4.3
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