LP5868RKPR
Active8 × 18 LED MATRIX DRIVER WITH 8-BIT ANALOG AND 8-/16-BIT PWM DIMMING
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LP5868RKPR
Active8 × 18 LED MATRIX DRIVER WITH 8-BIT ANALOG AND 8-/16-BIT PWM DIMMING
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Technical Specifications
Parameters and characteristics for this part
| Specification | LP5868RKPR |
|---|---|
| Applications | General Purpose |
| Current - Output / Channel | 50 mA |
| Dimming | Analog, PWM |
| Frequency | 31.2 MHz |
| Internal Switch(s) | True |
| Mounting Type | Surface Mount |
| Number of Outputs | 18 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 40-VFQFN Exposed Pad |
| Supplier Device Package | 40-VQFN (5x5) |
| Topology | Constant Current |
| Type | Linear |
| Voltage - Supply (Max) | 5.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.74 | |
| 10 | $ 2.46 | |||
| 25 | $ 2.32 | |||
| 100 | $ 1.97 | |||
| 250 | $ 1.85 | |||
| 500 | $ 1.62 | |||
| 1000 | $ 1.34 | |||
| Digi-Reel® | 1 | $ 2.74 | ||
| 10 | $ 2.46 | |||
| 25 | $ 2.32 | |||
| 100 | $ 1.97 | |||
| 250 | $ 1.85 | |||
| 500 | $ 1.62 | |||
| 1000 | $ 1.34 | |||
| Tape & Reel (TR) | 3000 | $ 1.08 | ||
| 6000 | $ 1.04 | |||
| Texas Instruments | LARGE T&R | 1 | $ 1.77 | |
| 100 | $ 1.47 | |||
| 250 | $ 1.05 | |||
| 1000 | $ 0.79 | |||
Description
General part information
LP5868 Series
Electronic devices are becoming smarter, requiring to use larger quantity of LEDs for animation and indication purposes. A high performance LED matrix driver is required to improve user experience with small solution size.
The LP586x devices are a family of high performance LED matrix drivers. The device integrates 18 constant current sinks with N (N = 1/2/4/6/8/11) switching MOSFETs to support N × 18 LED dots or N × 6 RGB LEDs. The LP5868 integrates eight MOSFETs for up to 144 LED dots or 48 RGB LEDs.
The LP5868 supports both analog dimming and PWM dimming methods. For analog dimming, each LED dot can be adjusted with 256 steps. For PWM dimming, the integrated 8-bit or 16-bit configurable PWM generators enable smooth and audible-noise-free dimming control. Each LED dot can also be arbitrarily mapped into 8-bit group PWM to achieve dimming control together.
Documents
Technical documentation and resources