LP8545SQE/NOPB Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
The LP8545SQE/NOPB is a high-efficiency LED backlight driver IC from Texas Instruments designed for notebook displays with 6 LED channels and serial data input. It supports standard input characteristics and features a single-function LED display driver in a compact 24-pin QFN package. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 25
- Lifecycle
- ACTIVE
- Datasheet
- LP8545SQE/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -30.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 6-channel LED backlight driver with high-efficiency boost converter topology, enabling uniform brightness control across multiple LED strings in notebook and tablet display panels
- Serial data input (I2C/SPI) interface provides flexible digital brightness and configuration control, enabling seamless integration with display controllers and application processors
- Compact 24-pin QFN (S-PQCC-N24) Pb-free package minimizes PCB footprint while offering excellent thermal dissipation for efficient LED driver operation in thin notebook designs
Applications
The LP8545SQE/NOPB is designed primarily for LED backlight control in notebook computers, tablet displays, and portable monitors requiring efficient multi-channel LED current regulation. Its serial interface and 6-channel architecture enable precise dimming control and power management for display subsystems in ultrabook and laptop platforms. It is also applicable in industrial display panels and embedded computing displays that require high-efficiency LED backlight management with low-power standby modes.
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 | 6 |
| Number of Functions | 1 |
| Number of Segments | 60 |
| 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 THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 0.001mA |
| Supply Voltage-Max | 22V |
| Supply Voltage-Min | 5.5V |
| Supply Voltage-Nom | 12V |
| Surface Mount | YES |
| Temperature Grade | OTHER |
| 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 | 1.25MHz |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many LED channels does the LP8545SQE/NOPB support?
The LP8545SQE/NOPB supports 6 independent LED backlight channels. This multi-channel architecture allows it to drive multiple LED strings simultaneously with matched current for uniform brightness across wide-format notebook and tablet display panels.
What interface does the LP8545SQE/NOPB use for brightness control?
The LP8545SQE/NOPB uses a serial data input interface for brightness and configuration control. This digital interface allows the display controller or application processor to programmatically adjust backlight intensity, enabling dynamic dimming for power saving and ambient light adaptation in notebook computers.
What package does the LP8545SQE/NOPB come in?
The LP8545SQE/NOPB is housed in a 24-pin QFN (Quad Flat No-Lead) package, identified by JESD-30 code S-PQCC-N24. The QFN package provides a compact footprint and good thermal performance through its exposed pad, making it well-suited for thin and light notebook designs with tight space constraints.
Is the LP8545SQE/NOPB suitable for tablet display backlight applications?
Yes, the LP8545SQE/NOPB is suitable for tablet and notebook display backlights due to its 6-channel LED driver architecture, high-efficiency boost converter, and serial brightness control interface. It supports the high current accuracy and dimming range needed for modern high-resolution tablet displays.
Is the LP8545SQE/NOPB RoHS compliant?
Yes, the LP8545SQE/NOPB is RoHS compliant with JESD-609 code e3 and Pb-free construction. It is manufactured without lead and meets international environmental standards for use in consumer electronics products including notebooks, tablets, and other portable computing devices.
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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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