TLC5945 Status: ACTIVE

16-Channel LED Driver w/DOT Correction & Grayscale PWM Control & No Delay

Alert me about changes<br/>to this product

Alert me about changes
to this product

Datasheet

16 Channel LED Driver w/DOT Correction & Grayscale PWM Control (PDF 1098 KB)
20 Mar 2007

	TLC5940	TLC5941	TLC5942	TLC5943	TLC5944	TLC5945	TLC5946	TLC59461
Output Channels	16	16	16	16	16	16	16	16
PWM Dimming Steps	4096	4096	4096	65536	4096	4096	4096	4096
Analog Dimming Steps	64	64	64	128	64	64	64	64
Per Channel Drive(mA)	120	80	50	50	60	80	40	40
Ch to Ch Accuracy(Typ)(+/- %)	1	1	1.5	1.5	1	1	1	1
Data Input	Serial	Serial	Serial	Serial	Serial	Serial	Serial	Serial
Data Transfer Rate(Typ)(MHz)	30	30	30	30	30	30	30	30
Data Vin(Min)(V)	3	3	3	3	3	3	3	3
Data Vin(Max)(V)	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
LED Voltage(Max)(V)	17	17	17	17	15	17	17	17
Pin/Package	28HTSSOP, 28PDIP, 32QFN	28HTSSOP, 28PDIP, 32QFN	28HTSSOP, 32QFN	28HTSSOP, 32QFN	28HTSSOP, 32QFN	28HTSSOP, 32QFN	28HTSSOP, 28TSSOP, 32QFN	28HTSSOP
Approx. Price (US$)	1.90 \| 1ku	1.65 \| 1ku	1.75 \| 1ku	2.00 \| 1ku	2.00 \| 1ku	1.75 \| 1ku	1.40 \| 1ku	1.65 \| 1ku
	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

TLC5943: 16-bit ES-PWM with 7-bit Device Level Brightness Control
TLC5946: 16-Channel, 12-bit PWM LED Driver with 6-Bit Dot Correction
TLC5924: 16-Channel LED Driver w/DOT Correction & Pre-Charge FET

More Related Products

Product Information

Features

16Channels
12-bit (4096 Steps) Grayscale PWM Control
Dot Correction
- 6 bit (64 Steps)
Drive Capability (Constant-Current Sink)
- 0 mA to 80 mA
LED Power Supply Voltage up to 17 V
V_CC = 3.0 V to 5.5 V
Serial Data Interface
30-MHz 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 Back-lighting

PowerPAD is a trademark of Texas Instruments.

Description

The TLC5945 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. 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 TLC5945 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	Samples
TLC5945PWP	ACTIVE	-40 to 85	1.95 \| 1ku	HTSSOP (PWP) \| 28	View	50 \| TUBE	Purchase Samples
TLC5945PWPG4	ACTIVE	-40 to 85	1.95 \| 1ku	HTSSOP (PWP) \| 28	View	50 \| TUBE	Purchase Samples
TLC5945PWPR	ACTIVE	-40 to 85	1.75 \| 1ku	HTSSOP (PWP) \| 28	View	2000 \| LARGE T&R
TLC5945PWPRG4	ACTIVE	-40 to 85	1.75 \| 1ku	HTSSOP (PWP) \| 28	View	2000 \| LARGE T&R
TLC5945RHBR	ACTIVE	-40 to 85	1.75 \| 1ku	QFN (RHB) \| 32	View	3000 \| LARGE T&R
TLC5945RHBRG4	ACTIVE	-40 to 85	1.75 \| 1ku	QFN (RHB) \| 32	View	3000 \| LARGE T&R
TLC5945RHBT	ACTIVE	-40 to 85	1.95 \| 1ku	QFN (RHB) \| 32	View	250 \| SMALL T&R	Purchase Samples
TLC5945RHBTG4	ACTIVE	-40 to 85	1.95 \| 1ku	QFN (RHB) \| 32	View	250 \| SMALL T&R	Purchase Samples

* 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

Reported Distributor Inventory as of 10:36 AM GMT, 20 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksTLC5945PWP
Americas	Rochester Electronics	>1k
Europe	Avnet-SILICA	295
Worldwide	DigiKey	Available
Worldwide	Mouser Electronics	412
TI Lead Time*: 20 WeeksTLC5945PWPG4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksTLC5945PWPR
Americas	Rochester Electronics	>1k
Worldwide	DigiKey	>1k
Worldwide	Mouser Electronics	871
TI Lead Time*: 20 WeeksTLC5945PWPRG4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksTLC5945RHBR
Worldwide	DigiKey	233
Worldwide	Mouser Electronics	>1k
TI Lead Time*: 20 WeeksTLC5945RHBRG4
Worldwide	DigiKey	Available
TI Lead Time*: 16 WeeksTLC5945RHBT
Americas	Rochester Electronics	250
Worldwide	DigiKey	Available
Worldwide	Mouser Electronics	245
TI Lead Time*: 16 WeeksTLC5945RHBTG4
Worldwide	DigiKey	Available
View all Distributors

** 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
TLC5945PWP	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5945PWPG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5945PWPR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5945PWPRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5945RHBR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5945RHBRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5945RHBT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TLC5945RHBTG4	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

Most useful technical documents for TLC5945

Datasheet

16 Channel LED Driver w/DOT Correction & Grayscale PWM Control (PDF, 1098 KB)
20 Mar 2007

Customers Who Evaluated This Product Also Evaluated...
Part #	Name	Product Family	Comments
TLC5943	16-bit ES-PWM with 7-bit Device Level Brightness Control	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5946	16-Channel, 12-bit PWM LED Driver with 6-Bit Dot Correction	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5924	16-Channel LED Driver w/DOT Correction & Pre-Charge FET	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC59116	16-Bit Fast-Mode Plus (FM+) I2C Bus Constant-Current LED Sink Driver	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5942	16-Channel 12-bit PWM with 7-bit Dot Correction	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5944	16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5925	Low-Power 16-Channel Constant-Current LED Sink Driver	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5952	24-Channel Constant-Current LED Driver with Global Brightness and LED Open Short Detection	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5947	24-Channel, 12-Bit PWM LED Driver with Internal Oscillator	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.
TLC5951	24 Channel, 12Bit PWM LED Driver w/ 7Bit Dot Correction and 3-Group, 8Bit Global Brightness Control	LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS	TI customers also evaluated this product.

Lighting: Signage

All End-Equipment

TLC5945 Status: ACTIVE

16-Channel LED Driver w/DOT Correction & Grayscale PWM Control & No Delay

Most Popular Links

Datasheet

Customers Who Evaluated This Product Also Evaluated