LP55231SQE/NOPB Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
Texas Instruments LP55231SQE/NOPB is a 9-channel LED driver IC with serial data input interface, housed in a 24-pin QFN package with RoHS-compliant lead-free construction. It provides independent current control for each channel with standard input characteristics for LED display driving. Available from authorized distributors in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 25
- Lifecycle
- ACTIVE
- Datasheet
- LP55231SQE/NOPB 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
Key Features
- 9-channel independent LED current control driver with serial data input for flexible multi-LED system management
- Lead-free RoHS-compliant construction (JESD-609 e3) meeting modern environmental and regulatory standards
- Compact 24-pin QFN package (S-PQCC-N24) enabling high-density PCB integration for consumer and IoT lighting designs
Applications
The LP55231SQE/NOPB is designed for RGB and multi-color LED lighting systems in consumer electronics, IoT devices, and mobile accessories requiring 9-channel independent brightness control. Its serial data input interface simplifies connection to microcontrollers in notification light arrays, status indicators, and backlighting modules. The compact QFN package and lead-free construction make it ideal for modern portable and wearable devices with strict space and environmental compliance requirements.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Data Input Mode | SERIAL |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | S-PQCC-N24 |
| JESD-609 Code | e3 |
| Multiplexed Display Capability | NO |
| Number of Channels | 9 |
| Number of Functions | 1 |
| Number of Segments | 9 |
| Output Characteristics | CONSTANT-CURRENT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC24,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 0.95mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3.6V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| fmax-Min | 0.4MHz |
| Package | Quad Flat No-Lead |
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 LP55231SQE/NOPB:
Frequently Asked Questions
How many LED channels does the LP55231SQE/NOPB support?
The LP55231SQE/NOPB supports 9 independent LED channels, each with individual current control. This allows driving up to three RGB LED groups or nine single-color LEDs with independently adjustable brightness via serial data input interface.
What interface does the LP55231SQE/NOPB use for data communication?
The LP55231SQE/NOPB uses a serial data input mode for communication with a host microcontroller. This standard serial interface simplifies the connection in embedded systems, requiring fewer I/O pins while still providing control over all 9 LED channels.
Is the LP55231SQE/NOPB RoHS compliant and lead-free?
Yes, the LP55231SQE/NOPB is lead-free and RoHS compliant, indicated by JESD-609 code e3. This makes it suitable for use in environmentally regulated markets and modern consumer electronics requiring compliance with EU RoHS and similar directives.
What package does the LP55231SQE/NOPB use and how many pins does it have?
The LP55231SQE/NOPB comes in a 24-pin QFN (Quad Flat No-Lead) package, JESD-30 code S-PQCC-N24. The QFN format offers excellent thermal performance and a very small PCB footprint, making it ideal for compact LED driver designs.
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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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