TS19378CS Buck LED driver IC overview

Description

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TS19378CS is a non-sync DC/DC Buck LED driver IC from . Maximum input voltage is 40.0 V and it drives an output current of up to 2.00 A. Assuming a typical 3.5V LED forward voltage TS19378CS can drive up to 10 LED in series.

The LED Buck driver IC features fixed 330 kHz switching frequency, a feedback voltage of 0.20 V and requires a typical inductor size of 33.0 uH. This combination results in a peak efficiency of ~90 %. TS19378CS comes in 1 package option(s) - SOP-8 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 8.0 V
V-IN max. 40.0 V
Nr.of LEDs max. 10
I-OUT? 2.00 A
MOSFET intern
ext.clock sync. no
sync/non-sync non-sync
Frequency typ. 330 kHz
Frequency adjustable fixed
Frequency min.
Frequency max.
Softstart yes
Softstart adjustable yes
Quiescent current max. 6000 uA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150.0 °C
Inductor size 33.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 0.20 V
Automotive AEC-Q100 no
Topology Buck
Peak Efficiency 90 %
Component count min. 16
DC Dimming no
PWM Dimming yes
digital dimming no
Nr. of package options 1
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP SOP-8
DIP
TO
Variation
LED temperature compensation

TS19378CS Datasheet

Link to the most up-to-date TS19378CS datasheet and the product page for EVM, tools and support information.

TS19378CS

TS19378CS inventory, samples and price

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Equivalents and alternatives

The following DC/DC LED Buck driver are similar to TS19378CS. Optional, compare TS19378CS side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
0% PAM2863 PAM2863 product overviewPAM2863 product overview Diodes PSOP-8
0% RT8463 RT8463 product overviewRT8463 product overview Richtek WDFN-12, TSSOP-14
25% RT8450 RT8450 product overviewRT8450 product overview Richtek WDFN-12, TSSOP-16
25% RT8450B RT8450B product overviewRT8450B product overview Richtek WDFN-12, TSSOP-16
25% RT8453B RT8453B product overviewRT8453B product overview Richtek SOP-8
50% PAM2861 PAM2861 product overviewPAM2861 product overview Diodes SOT23-5, SOT89-5
50% ZXLD1360 ZXLD1360 product overviewZXLD1360 product overview Diodes TSOT25-5
50% ZXLD1362 ZXLD1362 product overviewZXLD1362 product overview Diodes TSOT25-5
50% ZXLD1366 ZXLD1366 product overviewZXLD1366 product overview Diodes TSOT25-5, DFN-6, SO-8
50% GT5315 GT5315 product overviewGT5315 product overview Giantec SOT89-5, SOP-8
50% MP2489 MP2489 product overviewMP2489 product overview MPS TSOT23-5, QFN-6
50% SD42525 SD42525 product overviewSD42525 product overview Silan Micro SOT23-6, SOP-8, SOT89-5
50% MP24895 MP24895 product overviewMP24895 product overview MPS TSOT23-5, QFN-6
50% MPQ2489 MPQ2489 product overviewMPQ2489 product overview MPS TSOT23-5, QFN-6
50% MPQ2489-AEC1 MPQ2489-AEC1 product overviewMPQ2489-AEC1 product overview MPS TSOT23-5, QFN-6
50% RT8470 RT8470 product overviewRT8470 product overview Richtek SOT23-5, SOP-8
50% RT8472 RT8472 product overviewRT8472 product overview Richtek SOT23-5
50% RT8473 RT8473 product overviewRT8473 product overview Richtek SOT23-5
50% ZXLD1360Q ZXLD1360Q product overviewZXLD1360Q product overview Diodes TSOT25-5
50% ZXLD1362Q ZXLD1362Q product overviewZXLD1362Q product overview Diodes TSOT25-5
50% ZXLD1366Q ZXLD1366Q product overviewZXLD1366Q product overview Diodes TSOT25-5, DFN-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of TS19378CS.

V-IN min. 8 V, V-IN max. 40 V, I-OUT 2 A, Frequency typ. 330 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404084180 18.0 2.4 2.9 53.00 8 x 8 x 4.2
74404084220 22.0 2.1 2.6 69.00 8 x 8 x 4.2
744066180 18.0 2.8 3.0 54.00 10 x 10 x 4.1
7447471220 22.0 3.7 3.0 38.00 10.5 x 10.5 x 11.5
744770127 27.0 3.7 3.8 35.00 12 x 12 x 8
744771118 18.0 3.5 4.3 29.00 12 x 12 x 6
744771122 22.0 3.4 3.8 31.00 12 x 12 x 6
744771127 27.0 3.0 3.6 40.00 12 x 12 x 6
7447714220 22.0 3.0 3.6 42.00 10 x 10 x 5
7447715180 18.0 3.2 3.2 37.00 12 x 12 x 4.5
7447715220 22.0 2.9 3.1 45.00 12 x 12 x 4.5
7447720180 18.0 3.1 3.5 41.00 7.8 x 7.8 x 10
744772200 20.0 2.6 3.5 38.00 7.8 x 7.8 x 10
744772220 22.0 2.3 3.6 51.34 7.8 x 7.8 x 10
744776118 18.0 2.4 2.4 42.80 9 x 10 x 5.9
7447798181 18.0 5.0 3.8 30.50 10.2 x 10.2 x 6.4
7447798221 22.0 4.7 3.5 33.00 10.2 x 10.2 x 6.4
7447798241 24.0 4.5 3.3 35.00 10.2 x 10.2 x 6.4
7447798271 27.0 4.3 3.1 37.60 10.2 x 10.2 x 6.4
784770220 22.0 4.0 4.7 37.00 12 x 12 x 8.3
784771220 22.0 3.2 3.5 33.50 12 x 12 x 8.3
784776118 18.0 2.4 2.4 43.00 9 x 10 x 5.9
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