TLC5955RTQT Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
TLC5955RTQT is a 48-channel, 16-bit PWM LED driver IC with dot-correction and brightness control. Features open/short detection, serial data input, and supports up to 48 independent segments. From $2.856, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 57
- Lifecycle
- ACTIVE
- Datasheet
- TLC5955RTQT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.8560(MOQ 1)
- 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 TLC5955RTQT?
- 48-channel independent PWM control with 16-bit resolution for precise LED brightness adjustment
- Built-in dot-correction per channel to compensate for LED-to-LED luminance variation
- Open and short circuit detection for each output channel, enabling fault diagnostics
- Serial data interface (SPI-compatible) for simple multi-device daisy-chain configurations
- Compact 56-pin QFN (PQCC-N56) package suitable for high-density LED display designs
What is TLC5955RTQT used for?
The TLC5955RTQT is ideally suited for large-scale LED display panels, digital signage, and video walls where per-channel 16-bit dimming and dot-correction are essential for uniform image quality. It is also widely used in architectural and stage lighting controllers, automotive interior ambient lighting, and RGB LED matrix backlights in industrial HMI displays. Its fault-detection capability makes it a strong choice for mission-critical lighting systems requiring real-time open/short diagnostics.
What are the specifications of TLC5955RTQT?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Data Input Mode | SERIAL |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | S-PQCC-N56 |
| JESD-609 Code | e4 |
| Multiplexed Display Capability | YES |
| Number of Channels | 48 |
| Number of Functions | 1 |
| Number of Segments | 48 |
| Output Characteristics | CONSTANT-CURRENT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC56,.31SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max | 29mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| fmax-Min | 25MHz |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Philippines |
Where can I find the TLC5955RTQT datasheet?
TLC5955RTQT Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TLC5955RTQT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the PWM resolution and how many channels does the TLC5955RTQT support?
The TLC5955RTQT supports 48 independent output channels, each with 16-bit PWM resolution (65536 dimming steps). This high resolution enables very smooth, flicker-free brightness control across all channels, making it suitable for professional LED display and lighting applications.
What applications is the TLC5955RTQT designed for?
The TLC5955RTQT is designed for large LED display panels, RGB matrix backlights, digital signage, stage and architectural lighting, and automotive ambient lighting systems. Its 48-channel architecture with dot-correction and brightness control supports uniform, high-quality illumination across all LEDs.
Does the TLC5955RTQT support fault detection, and how does it work?
Yes, the TLC5955RTQT includes built-in open and short circuit detection for each of its 48 output channels. This diagnostic feature allows the host controller to identify and respond to LED failures in real time, which is critical for reliable operation in professional and industrial lighting systems.
What package does the TLC5955RTQT come in, and is it RoHS compliant?
The TLC5955RTQT is available in a 56-pin Quad Flat No-Lead (QFN/PQCC-N56) package, which offers a compact footprint ideal for high-density PCB designs. It is RoHS compliant (Pbfree Code: Yes, JESD-609 Code: e4), meeting environmental requirements for lead-free manufacturing.
What is the price and availability of the TLC5955RTQT?
The TLC5955RTQT is priced from approximately $2.856 per unit and is available in stock with worldwide shipping. It is a Texas Instruments product with a long-term availability commitment (YTEOL: 15 years), making it suitable for designs requiring supply continuity.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $6.1200 | $6.12 |
| 7+ | $3.0600 | $21.42 |
| 66+ | $2.8560 | $188.50 |
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