MAX1554 LED Boost Driver overview

Description

Manufacturer
 
Category
Sub-Category

MAX1554 is a 1 channel, 5.5 V, 0.02 A/string non-sync LED Boost Driver. It can drive a maximum of 10 LED (~3.5Vfwd) per string, features a fixed 250 kHz frequency and is available in 1 package option(s): TDFN-EP-8 .

Further characteristics are a feedback voltage of 0.200 V, a typical inductor size of 22.0 uH and a peak efficiency of 82 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.7 V
V-IN max. 5.5 V
V-OUT max. 40.0 V
Nr.of LED per string typ. 10
I-OUT/string? 0.02 A
current limit typ. 1.20 A
sync/non-sync non-sync
Frequency typ. 250 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart yes
Softstart adjustable yes
Down-Mode no
Quiescent current max. 650 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 150 °C
thermal shutdown typ.
Inductor size typ. 22.0 uH
feedback voltage 0.200 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 82 %
Component count min. 7
DC dimming yes
PWM dimming yes
PWM frequency min. 0.10 kHz
PWM frequency max. 10.0 kHz
digital dimming no
digital interface no
LED flash no
TxMask no
Nr.of current sources 1
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN TDFN-EP-8
SO/SOIC
SOP
DIP

MAX1554 Datasheet

Link to the most up-to-date MAX1554 datasheet and the product page for EVM, tools and support information.

MAX1554

MAX1554 inventory, samples and price

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Available Distributors with stock: 6

Digi-Key

ProductStockPriceBuy
MAX1554ETA+T 571
10001.50 €
5001.78 €
2501.98 €
1002.09 €
252.41 €
102.55 €
12.84 €
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MAX1554ETA+T 571
5001.70 €
2501.76 €
1001.86 €
502.02 €
252.12 €
102.66 €
12.82 €
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MAX1554ETA+T 0
50001.33 €
25001.38 €
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Rochester Electronics

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MAX1554ETA 4492
10002.90 $
5003.05 $
1003.17 $
253.31 $
13.56 $
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Mouser Electronics

ProductStockPriceBuy
MAX1554ETA+T 1116
13.25 $
102.92 $
252.76 $
502.30 $
1002.12 $
2502.02 $
5001.94 $
10001.48 $
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MAX1554ETA-T 0 Buy Now
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element14 Asia-Pacific

ProductStockPriceBuy
MAX1554ETA+T 0
5003.08 SGD
2503.19 SGD
1003.37 SGD
503.65 SGD
253.85 SGD
104.81 SGD
15.10 SGD
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MAX1554ETA+T 1238
5003.08 SGD
2503.19 SGD
1003.37 SGD
503.65 SGD
253.85 SGD
104.81 SGD
15.10 SGD
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Farnell element14

ProductStockPriceBuy
MAX1554ETA+T 1238
1001.54 GBP
501.67 GBP
251.76 GBP
102.20 GBP
12.32 GBP
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New Advantage Corporation

ProductStockPriceBuy
MAX1554ETA+T 2500
25002.58 $
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Available Distributors without stock: 1

Avnet

ProductStockPriceBuy
MAX1554ETA+ 0
MAX1554ETA+T 0
25001.39 €
50001.39 €
100001.39 €
150001.39 €
250001.29 €
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MAX1554ETA+T 0
MAX1554ETA+T 0
25001.49 $
50001.49 $
100001.49 $
150001.49 $
250001.49 $
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MAX1554ETA+TG069 0

List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to MAX1554. Optional, compare MAX1554 side-by-side with other LED driver via the comparison function.

Variation Compare Product Manufacturer Package
0% ACT6357 ACT6357 product overviewACT6357 product overview Active Semi TDFN-8
0% ACT6358 ACT6358 product overviewACT6358 product overview Active Semi TDFN-8
50% MAX1561 MAX1561 product overviewMAX1561 product overview Maxim TDFN-EP-8
50% MAX1599 MAX1599 product overviewMAX1599 product overview Maxim TDFN-EP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1554.

V-IN min. 2.7 V, V-OUT max. 40 V, current limit typ. 1.2 A, Frequency typ. 250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744325120 1.2 20.0 25.0 1.80 10.5 x 10.2 x 5
7443310150 1.5 18.5 50.0 2.80 12.1 x 11.4 x 10
7443320100 1.0 24.0 32.0 1.85 12.1 x 11.4 x 10
7443320150 1.5 19.5 27.0 2.95 12.1 x 11.4 x 10
7443330100 1.0 20.0 27.5 2.15 10.9 x 10 x 9.7
7443330150 1.5 18.0 27.0 3.35 10.9 x 10 x 9.7
7443550140 1.4 22.0 26.0 2.40 13 x 12.8 x 5
7443551130 1.3 25.0 25.0 1.70 13.2 x 12.8 x 6.5
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