GUI for evaluation module (EVM)
Data sheet
LP55281
- Audio Synchronization for a Single Fun-Light LED
- Four PWM Controlled RGB LED Drivers
- High-Efficiency Boost DC-DC Converter
- SPI or I2C-Compatible Interface
- Two Addresses in I2C-Compatible Interface
- LED Connectivity Test Through the Serial Interface
The LP55281 device is a quadruple RGB LED driver for handheld devices. It can drive 4 RGB LED sets and a single fun-light LED. The boost DC-DC converter drives high current loads with high efficiency. The RGB driver can drive individual color LEDs or RGB LEDs powered from boost output or external supply. Built-in audio synchronization feature allows user to synchronize the fun-light LED to audio inputs. The flexible SPI or I2C interface allows easy control of LP55281. A small YZR0036 or YPG0036 package, together with minimum number of external components, is a best fit for handheld devices. The LP55281 also has an LED test feature, which can be used, for example, in production for checking the LED connections.
For all available packages, see the orderable addendum at the end of the data sheet.Technical documentation
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View all 5 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LP55281 12-Channel RGB/White-LED Drive With SPI, I2C Interface datasheet (Rev. D) | PDF | HTML | 25 Oct 2016 |
| White paper | Common LED Functions and LED Driver Design Considerations | 21 Sep 2020 | ||
| Application note | How to Select a RGB LED Driver | 08 Aug 2019 | ||
| User guide | AN-1631 LP55281 Evaluation Kit (Rev. A) | 30 Apr 2013 | ||
| Application note | Color-Management LED Drivers Have a Bright Future | 20 Jun 2007 |
Design & development
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Evaluation board
LP55281RLEV — Quad RGB Driver from the PowerWise® Family
The LP55281 is a quad RGB LED driver for handheld devices. It can drive 4 RGB LED sets and a single fun light LED. The boost DC-DC converter drives high current loads with high efficiency. The RGB driver can drive individual color LEDs or RGB LEDs powered from boost output or external supply. (...)
User guide: PDF
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| DSBGA (YZR) | 36 | Ultra Librarian |
Ordering & quality
Information included:
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- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Information included:
- Fab location
- Assembly location
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