TLC5951 LED Boost Driver overview

Description

Manufacturer
 
Category
Sub-Category

TLC5951 is a 24 channel, 5.5 V, 0.04 A/string linear LED Boost Driver. It can drive a maximum of 1 LED (~3.5Vfwd) per string, features a - 1 kHz frequency and is available in 2 package option(s): QFN-40 HTSSOP-38 .

Further characteristics are a feedback voltage of 0.000 V, a typical inductor size of 0.0 uH and a peak efficiency of 90 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 24
V-IN min. 3.0 V
V-IN max. 5.5 V
V-OUT max. 15.0 V
Nr.of LED per string typ. 1
I-OUT/string? 0.04 A
current limit typ. 2.00 A
sync/non-sync linear
Frequency typ. 1 kHz
Frequency -
Frequency min.
Frequency max.
Softstart yes
Softstart adjustable no
Down-Mode no
Quiescent current max. 55000 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 163 °C
Inductor size typ. 0.0 uH
feedback voltage 0.000 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 90 %
Component count min. 3
DC dimming yes
PWM dimming yes
PWM frequency min.
PWM frequency max.
digital dimming yes
digital interface serial
LED flash no
TxMask no
Nr.of current sources 24
Nr.of package options 2
CSP
SC70
SOT
MSOP
QFN/DFN QFN-40
SO/SOIC
SOP HTSSOP-38
DIP

TLC5951 Datasheet

Link to the most up-to-date TLC5951 datasheet and the product page for EVM, tools and support information.

TLC5951

TLC5951 inventory, samples and price

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Available Distributors with stock: 6

Chip One Stop (3)

ProductStockPriceBuy
TLC5951DAP149
14.25 USD
103.81 USD
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TLC5951DAP149
14.25 USD
103.81 USD
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TLC5951RHAT5750
2502.59 USD
5002.46 USD
10002.38 USD
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Digi-Key (3)

ProductStockPriceBuy
TLC5951DAP923
14.44 USD
103.98 USD
1003.26 USD
5002.78 USD
10002.34 USD
Buy Now
TLC5951RHAR0
25001.80 USD
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TLC5951RHAR1919
13.93 USD
103.53 USD
1002.89 USD
5002.46 USD
10002.08 USD
Buy Now
TLC5951RHAR1919
13.93 USD
103.53 USD
1002.89 USD
5002.46 USD
10002.08 USD
Buy Now
TLC5951DAPR0
20001.74 USD
Buy Now
TLC5951RHAT0
2503.05 USD
Buy Now
TLC5951TDA30
966.36 USD
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TLC5951TDA20
2027.60 USD
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TLC5951EVM-4770
10.00 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
TLC5951DAP45
17.17 USD
106.44 USD
256.20 USD
1005.28 USD
2505.00 USD
5004.49 USD
10003.38 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
TLC5951DAP45Buy Now

NEWARK (1)

ProductStockPriceBuy
TLC5951DAP45
14.34 USD
103.90 USD
253.75 USD
1003.19 USD
2503.03 USD
5002.72 USD
10002.05 USD
Buy Now
TLC5951DAPR0
11.75 USD
20001.75 USD
Buy Now

Texas Instruments (2)

ProductStockPriceBuy
TLC5951DAP2965
14.48 USD
104.04 USD
253.76 USD
1003.29 USD
2503.09 USD
5002.62 USD
7502.21 USD
10001.86 USD
Buy Now
TLC5951RHAR2619
13.86 USD
103.47 USD
253.23 USD
1002.83 USD
2502.66 USD
5002.26 USD
7501.90 USD
10001.60 USD
Buy Now

Available Distributors without stock: 2

AVNET-AMERICAS (0)

ProductStockPriceBuy
TLC5951DAP0
1602.70 USD
2402.57 USD
4002.48 USD
8002.40 USD
16002.33 USD
Buy Now
TLC5951DAPR0
20002.25 USD
40002.14 USD
80002.07 USD
120002.00 USD
200001.94 USD
Buy Now
TLC5951RHAR0
25002.32 USD
50002.21 USD
100002.14 USD
150002.06 USD
250002.01 USD
Buy Now
TLC5951RHAT0
2502.66 USD
5002.53 USD
10002.45 USD
15002.37 USD
25002.30 USD
Buy Now
TLC5951TDA20
2022.51 USD
4021.42 USD
6020.70 USD
10020.01 USD
20019.46 USD
Buy Now
TLC5951TDA30
964.50 USD
1924.28 USD
3844.14 USD
5764.00 USD
9603.89 USD
Buy Now

Avnet Europe (0)

ProductStockPriceBuy
TLC5951DAP0Buy Now
TLC5951DAPR0Buy Now
TLC5951RHAR0Buy Now
TLC5951TDA20Buy Now
TLC5951TDA30Buy Now

Available Distributors with stock: 0

no online Distributor with TLC5951 stock available

List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to TLC5951. Optional, compare TLC5951 side-by-side with other LED driver via the comparison function.

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Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of TLC5951.

V-IN min. 3 V, V-OUT max. 15 V, current limit typ. 2 A, Frequency typ. 1 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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