TLC5941PWP Texas Instruments In Stock
TLC5941PWP is a 16-channel constant-current LED driver with 12-bit grayscale PWM and 6-bit dot correction by Texas Instruments. Key specs: 16 outputs, 12-bit PWM (4096 steps), 120 MHz serial interface, 17V max output voltage. From $2.06, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $2.0642(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TLC5941PWP?
- 16-channel constant-current LED driver with individual brightness control per channel
- 12-bit grayscale PWM control providing 4096 dimming steps for smooth LED brightness adjustment
- 6-bit dot correction (64 steps) for compensating LED-to-LED current variation
- High-speed 120 MHz SPI-compatible serial interface for fast data loading
- Up to 17V output voltage supporting a wide range of LED forward voltages
- Cascadable design allows multiple devices to be daisy-chained for large LED arrays
What is TLC5941PWP used for?
The TLC5941PWP is widely used in LED display panels, RGB LED matrix boards, and backlighting systems where precise per-channel brightness control is required. It is commonly deployed in gaming peripherals, signage displays, and architectural lighting controllers that demand smooth PWM dimming and uniform current matching. Its cascadable serial interface also makes it ideal for large-scale LED pixel arrays in stage lighting and video wall applications.
What are the specifications of TLC5941PWP?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Data Input Mode | SERIAL |
| Input Characteristics | STANDARD |
| 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 |
| Output Characteristics | CONSTANT-CURRENT |
| 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 Current-Max | 60mA |
| 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 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for TLC5941PWP?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the TLC5941PWP and what are its key specifications?
The TLC5941PWP is a 16-channel constant-current LED driver IC from Texas Instruments. It features 12-bit grayscale PWM control (4096 steps per channel), 6-bit dot correction (64 steps), a 120 MHz high-speed serial interface, and supports output voltages up to 17V. Each channel can sink up to 120 mA of constant current, making it suitable for driving high-brightness LEDs.
What applications is the TLC5941PWP best suited for?
The TLC5941PWP is ideal for RGB LED displays, LED matrix panels, gaming peripheral backlighting, signage, and architectural lighting systems. Its 12-bit PWM dimming and per-channel dot correction make it excellent for applications requiring precise, flicker-free brightness control across multiple LED channels, including large cascaded LED arrays.
Can multiple TLC5941PWP devices be cascaded together?
Yes, the TLC5941PWP supports daisy-chaining multiple devices through its serial shift register architecture. The SOUT (serial data out) pin of one device connects to the SIN (serial data in) pin of the next, allowing any number of devices to be cascaded on a single SPI bus. This makes it straightforward to control large LED arrays with hundreds or thousands of individual channels.
What package does the TLC5941PWP come in?
The TLC5941PWP is housed in a 28-pin HTSSOP (PWP) surface-mount package with an exposed thermal pad for improved heat dissipation. This compact package is suitable for PCB designs requiring a small footprint while handling the power dissipation of driving up to 16 LED channels simultaneously.
What is the difference between grayscale PWM and dot correction on the TLC5941PWP?
Grayscale PWM on the TLC5941PWP uses a 12-bit value (0–4095) to control the on-time of each LED channel within a PWM cycle, determining its perceived brightness. Dot correction uses a 6-bit value (0–63) to scale the maximum constant-current output for each channel, compensating for LED manufacturing variances so all channels appear equally bright at full grayscale.
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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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| 1+ | $3.0100 | $3.01 |
| 10+ | $2.2700 | $22.70 |
| 25+ | $2.2100 | $55.25 |
| 500+ | $2.1800 | $1090.00 |
| 1000+ | $2.1200 | $2120.00 |
| 2500+ | $2.0642 | $5160.50 |
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