TLC5941PWPRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TLC5941PWPRG4 is a 16-channel LED driver supporting 3.3 V and 5 V operation with serial data input and 12-bit grayscale PWM control per channel. It features a 28-pin HTSSOP exposed-pad package for efficient thermal management. Available in tape-and-reel packaging in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- TLC5941PWPRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TLC5941PWPRG4?
- 16 independent LED driver channels with 12-bit grayscale PWM dimming
- Dual supply voltage support: 3.3 V and 5 V for flexible system integration
- Serial SPI-compatible data interface simplifies daisy-chain LED matrix expansion
- 28-pin HTSSOP exposed-pad package enables enhanced thermal dissipation
- No multiplexed display required — all 16 channels driven simultaneously for uniform brightness
What is TLC5941PWPRG4 used for?
The TLC5941PWPRG4 is designed for LED display and lighting control applications where precise per-channel brightness control is required, such as RGB LED panels, backlighting systems, and signage displays. Its 12-bit PWM resolution per channel enables smooth 4096-level dimming across all 16 outputs, making it suitable for professional display equipment and decorative lighting. The serial interface allows multiple devices to be daisy-chained to control large LED arrays with minimal microcontroller I/O pins.
What are the specifications of TLC5941PWPRG4?
| YTEOL | 15 |
| Data Input Mode | SERIAL |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e4 |
| Multiplexed Display Capability | NO |
| Number of Functions | 1 |
| Number of Segments | 16 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| fmax-Min | 30MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the TLC5941PWPRG4 datasheet?
TLC5941PWPRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TLC5941PWPRG4?
Compatible alternatives and drop-in replacements for TLC5941PWPRG4:
Frequently Asked Questions
How many LED channels does the TLC5941PWPRG4 control, and what PWM resolution does it provide?
The TLC5941PWPRG4 controls 16 independent LED channels simultaneously, each with 12-bit grayscale PWM dimming resolution providing 4096 brightness levels. This high resolution enables smooth and precise luminance control across all channels, making it ideal for professional RGB LED displays and architectural lighting systems requiring accurate color mixing.
Does the TLC5941PWPRG4 support daisy-chaining for large LED matrix expansion?
Yes, the TLC5941PWPRG4 uses a serial SPI-compatible data input interface that allows multiple devices to be daisy-chained together. Each device latches 16 channels of 12-bit data, so connecting N devices expands the system to N×16 independently controlled LED outputs. This architecture minimizes the microcontroller I/O pin count required to manage large LED arrays in display panels and stage lighting.
What supply voltages does the TLC5941PWPRG4 accept, and how does this affect system design?
The TLC5941PWPRG4 supports both 3.3 V and 5 V supply voltages, giving designers flexibility to integrate it directly with modern low-voltage microcontrollers as well as legacy 5 V systems. This dual-voltage compatibility eliminates the need for level shifters in mixed-voltage environments such as Arduino, STM32, or PIC-based LED controller designs with 28-pin HTSSOP packages.
What thermal advantages does the exposed-pad HTSSOP package of the TLC5941PWPRG4 provide?
The 28-pin HTSSOP package with an exposed thermal pad (EP) allows the TLC5941PWPRG4 to dissipate heat directly through the PCB ground plane. This is important in high-duty-cycle LED driving applications where all 16 output channels are simultaneously active, reducing junction temperature by several degrees Celsius compared to standard TSSOP packages without EP, extending component lifetime.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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