TLC5940 Status: ACTIVE

16-Channel LED Driver w/EEprom DOT Correction & Grayscale PWM Control

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Datasheet

16 Channel LED Driver w/DOT Correction & Grayscale PWM Control (Rev. C) (tlc5940.pdf, 1303 KB)
29 Oct 2007 Download

	TLC5940	TLC5941	TLC5942	TLC5943	TLC5945	TLC5946
Output Channels	16	16	16	16	16	16
PWM Dimming Steps	4096	4096	4096	65536	4096	4096
Analog Dimming Steps	64	64	64	128
Per Channel Drive(mA)	120	80	50	50	80
Ch to Ch Accuracy(Typ)(+/- %)	1	1	1.5	1	1	1
Data Input	Serial	Serial	Serial	Serial	Serial	Serial
Data Transfer Rate(Typ)(MHz)	30	30	30	30	30	30
Data Vin(Min)(V)	3	3	3	3.3	3
Data Vin(Max)(V)	5.5	5.5	5.5	5.5	5.5
LED Voltage(Max)(V)	17	17	17	17	17	17
Pin/Package	28HTSSOP,28PDIP,32QFN	28HTSSOP,28PDIP,32QFN	28HTSSOP,32QFN	28HTSSOP,32QFN	28HTSSOP,32QFN	28HTSSOP,28TSSOP,32QFN
Approx. Price (US$)	1.90 \| 1ku	1.65 \| 1ku	1.75 \| 1ku	2.00 \| 1ku	1.75 \| 1ku	1.40 \| 1ku
	Samples	Samples	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

TLC5941: 16 Channel LED Driver with Dot Correction and Grayscale PWM Control
TLC5943: 16-bit ES-PWM with 7-bit Device Level Brightness Control
TLC5924: 16-Channel LED Driver w/DOT Correction & Pre-Charge FET
TPS61020: Adjustable, 1.5-A Switch, 96% Efficient Boost Converter with Down-Mode, QFN-10
TPS61040: 28-V, 400-mA Switch Boost Converter in SOT-23 for LCD and White LED Applications
TLV1117-33: Single Output LDO, 800mA, Fixed(3.3), Internal Current limit, Thermal Overload Protection

More Related Products

Product Information

Features

16 Channels
12 bit (4096 Steps) Grayscale PWM Control
Dot Correction
- 6 bit (64 Steps)
- Storable in Integrated EEPROM
Drive Capability (Constant-Current Sink)
- 0 mA to 60 mA (V_CC < 3.6 V)
- 0 mA to 120 mA (V_CC > 3.6 V)
LED Power Supply Voltage up to 17 V
V_CC = 3 V to 5.5 V
Serial Data Interface
Controlled In-Rush Current
30MHz Data Transfer Rate
CMOS Level I/O
Error Information
- LOD: LED Open Detection
- TEF: Thermal Error Flag
APPLICATIONS
- Monocolor, Multicolor, Full-Color LED Displays
- LED Signboards
- Display Backlighting
- General, High-Current LED Drive

PowerPAD is a trademark of Texas Instruments.

Description

The TLC5940 is a 16-channel, constant-current sink LED driver. Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step, constant-current sink (dot correction). The dot correction adjusts the brightness variations between LED channels and other LED drivers. The dot correction data is stored in an integrated EEPROM. Both grayscale control and dot correction are accessible via a serial interface. A single external resistor sets the maximum current value of all 16 channels.

The TLC5940 features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an overtemperature condition.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
TLC5940NT	ACTIVE	-40 to 85	1.90 \| 1ku	PDIP (NT) \| 28	View	13 \| TUBE
TLC5940NTG4	ACTIVE	-40 to 85	1.90 \| 1ku	PDIP (NT) \| 28	View	13 \| TUBE
TLC5940PWP	ACTIVE	-40 to 85	1.90 \| 1ku	HTSSOP (PWP) \| 28	View	50 \| TUBE
TLC5940PWPG4	ACTIVE	-40 to 85	1.90 \| 1ku	HTSSOP (PWP) \| 28	View	50 \| TUBE
TLC5940PWPR	ACTIVE	-40 to 85	1.90 \| 1ku	HTSSOP (PWP) \| 28	View	2000 \| LARGE T&R		Purchase Samples
TLC5940PWPRG4	ACTIVE	-40 to 85	1.90 \| 1ku	HTSSOP (PWP) \| 28	View	2000 \| LARGE T&R		Purchase Samples
TLC5940RHB	ACTIVE	-40 to 85	1.90 \| 1ku	QFN (RHB) \| 32	View			Purchase Samples
TLC5940RHBG4	ACTIVE	-40 to 85	1.90 \| 1ku	QFN (RHB) \| 32	View			Purchase Samples
TLC5940RHBR	ACTIVE	-40 to 85	1.90 \| 1ku	QFN (RHB) \| 32	View	3000 \| LARGE T&R
TLC5940RHBRG4	ACTIVE	-40 to 85	1.90 \| 1ku	QFN (RHB) \| 32	View	3000 \| LARGE T&R

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

	TI Inventory Status			Reported Distributor Inventory
TLC5940NT	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*		8 Weeks	Americas	DigiKey	284
					Mouser Electronics	552
					Rochester Electronics	43
				Asia	WPI	61
TLC5940NTG4	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*		8 Weeks	Americas	Avnet	95
	0*		8 Weeks	Europe	Farnell	408
TLC5940PWP	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 9 Dec	8 Weeks	Americas	Mouser Electronics	>1k
	0*		8 Weeks	Asia	WPI	65
TLC5940PWPG4	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 9 Dec	8 Weeks	Americas	Avnet	89
				Americas	Mouser Electronics	44
				Europe	EBV Elektronik	50
TLC5940PWPR	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	10k*	>10k \| 9 Dec	6 Weeks	Americas	Rochester Electronics	>1k
TLC5940PWPRG4	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	10k*	>10k \| 9 Dec	6 Weeks	None Reported View Distributors
TLC5940RHB	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*		Call**	Americas	Rochester Electronics	59
TLC5940RHBR	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	6000*	857 \| 17 Oct	6 Weeks	Americas	DigiKey	>1k
		>10k \| 26 Nov		Americas	Mouser Electronics	>1k
				Asia	WPI	>1k
TLC5940RHBRG4	As of 8:19 AM GMT, 15 Oct 2008			As of 8:19 AM GMT, 15 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	6000*	857 \| 17 Oct	6 Weeks	Europe	EBV Elektronik	617
	6000*	>10k \| 26 Nov	6 Weeks
View all Distributors

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
TLC5940NT	Green (RoHS & no Sb/Br)	CU NIPDAU	N/A for Pkg Type	View	View
TLC5940NTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	N/A for Pkg Type	View	View
TLC5940PWP	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5940PWPG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5940PWPR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5940PWPRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5940RHB					View
TLC5940RHBG4					View
TLC5940RHBR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5940RHBRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

16 Channel LED Driver w/DOT Correction & Grayscale PWM Control (Rev. C) (tlc5940.pdf, 1303 KB)
29 Oct 2007 Download

Application Notes

Grayscale and Dot-Corrected LED Display Using TLC5941 (Rev. A) (slva267a.htm, 8 KB)
05 Mar 2008 Abstract
Using the TLC5940 with Higher LED Supply Voltages and Series LEDs (slva280.htm, 8 KB)
20 Aug 2007 Abstract
TLC5940 One Wire Control--Eliminating Microprocessor Control for Integr LED Driv (slva259.htm, 8 KB)
25 Sep 2006 Abstract
LED Driver--Paralleled Outputs Provide High Current Outputs (slva253.htm, 8 KB)
25 Sep 2006 Abstract
LED Display System Module Using Cascading TLC5940 Devices (slva242.htm, 8 KB)
06 Jul 2006 Abstract
TLC5940 PWM dimming provides superior color quality in LED video displays (slyt238.pdf, 215 KB)
18 Apr 2006 Download
TLC5940 dot correction compensates for variations in LED brightness (slyt225.pdf, 175 KB)
10 Oct 2005 Download

User Guides

TLC5940 EVM (slvu139.pdf, 1280 KB)
28 Sep 2005 Download

Tools & Software

Name	Part #	Company	Tool / Software Type
TLC5940 Evaluation Module	TLC5940EVM-106	Texas Instruments	Development Boards/EVMs
LED Frame Designer Software	LED-FRAME-DESIGNER	Texas Instruments	Application Software
TLC5940 Programming Flow Chart(slvc106.pdf, 115 KB ) 26 Jan 2006 Download
LED Frame Designer (Rev. A)(slvc091a.zip, 27904 KB ) 08 Sep 2005 zip

Alternative Products - Are similar to TLC5940
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Part #	Name	Comments
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TLC5920	16-Channel LED Driver	TI customers also evaluated this product.

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