TPS92641PWP/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TPS92641PWP/NOPB is a synchronous buck controller designed for precision LED dimming in single-channel constant-current applications. It supports 2-segment dimming with standard interface and comes in a 16-pin SOIC package. Available from stock worldwide with competitive pricing and fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 17
- Lifecycle
- ACTIVE
- Datasheet
- TPS92641PWP/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel constant-current synchronous buck controller for precision LED dimming
- 2-segment dimming architecture enables smooth analog and PWM brightness control
- JESD-609 e3 (RoHS compliant, lead-free) 16-pin SOIC package for compact designs
Applications
TPS92641PWP/NOPB is ideal for LED driver circuits in architectural and commercial lighting systems requiring precise dimming control. Its constant-current output architecture suits backlighting, street lighting, and industrial luminaires where accurate brightness regulation is critical. The synchronous buck topology delivers high efficiency at a wide range of load currents.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Number of Segments | 2 |
| Output Characteristics | CONSTANT-CURRENT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.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 | 3mA |
| Supply Voltage-Max | 85V |
| Supply Voltage-Min | 7V |
| Supply Voltage-Nom | 24V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS92641PWP/NOPB:
suggested
suggested
Frequently Asked Questions
What output current regulation accuracy does TPS92641PWP/NOPB achieve in a synchronous buck LED driver design?
The TPS92641PWP/NOPB provides tight constant-current regulation for a single LED channel. It uses a synchronous buck topology that delivers high efficiency, typically above 90%, and supports output currents determined by external sense resistors, giving designers flexibility from tens of milliamps up to several amperes depending on FET selection.
How does the 2-segment dimming feature in TPS92641PWP/NOPB improve lighting system performance compared to single-segment controllers?
The 2-segment dimming architecture allows independent control of two brightness levels within a single channel, enabling smooth transitions between dim and bright states without flicker. This is particularly valuable in 0-10 V or PWM-controlled fixtures targeting CRI compliance and minimum 100:1 dimming ratio requirements.
Which LED lighting applications benefit most from the TPS92641PWP/NOPB synchronous buck controller?
Commercial and architectural LED luminaires operating from 8 V to 65 V bus rails benefit most. The device suits street lighting, panel lighting, and industrial high-bay fixtures where high efficiency, 1-channel constant-current accuracy, and the RoHS-compliant 16-pin SOIC package simplify thermal management and board layout.
What package does TPS92641PWP/NOPB use and how does it aid thermal dissipation in high-current LED drivers?
The part ships in a 16-pin SOIC (R-PDSO-G16) package measuring approximately 10 mm x 6 mm with an exposed pad option. This package allows heat transfer to the PCB copper pour, keeping junction temperatures below 125°C even at sustained high switching frequencies of up to 1 MHz.
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