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Overview
| Topology | Other Topology |
| IC revision | 1.0 |
Description
The X-NUCLEO-LED12A1 LED driver expansion board for STM32 Nucleo features four LED1202 devices that can drive up to 48 LEDs.The LED1202 is a 12-channel low quiescent current LED driver, which guarantees 5 V output driving capability. Each channel is able to provide up to 20 mA with a headroom voltage of 350 mV (typ.) only.The output current can be adjusted separately for each channel through an 8-bit analog and 12-bit digital dimming control.The X-NUCLEO-LED12A1 expansion board comes with an additional LED panel board that houses two LEDs matrices: a 6x8 white LED matrix and a 4x4 RGB matrix.LED matrices can be supplied via an external power supply connected to J13 connector and by selecting the right path through J15 jumper to reach the maximum luminosity available.
Features
Four LED1202 devices driving up to 48 LEDsOne double row pin array connector for external LED panel connectionOne jumper selector for internal/external LED power supplyOne panel with 48 white LEDs/16 RGB LEDs includedArduino UNO R3 connectorsFree comprehensive development firmware library compatible with STM32CubeScalable solution for multiple board stackRoHS and WEEE compliant
Typical applications
- Home, building and city automation
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | Emitting Color | λPeak B typ.(nm) | λPeak G typ.(nm) | λPeak R typ.(nm) | λDom B typ.(nm) | λDom G typ.(nm) | λDom R typ.(nm) | ΦV typ.(lm) | IV B typ.(mcd) | IV G typ.(mcd) | IV R typ.(mcd) | VF typ.(V) | VF B typ.(V) | VF G typ.(V) | VF R typ.(V) | Chip Technology | 2θ50% typ.(°) | CRI typ. | Size | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 2109 - 2.54 mm Horiz. Entry, 2, Rising Cage Clamp | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2109 - 2.54 mm Horiz. Entry | Pins2 | PCB/Cable/PanelPCB | ModularityNo | TypeHorizontal | Wire Section 30 to 18 (AWG) 0.2 to 0.75 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length5.48 mm | – | Rated Current6 A | Working Voltage150 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeAngled | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins6 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length15.24 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ||||
 | WR-PHD Pin Header - Single, 8, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins8 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length20.32 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | WR-PHD Pin Header - Single, 10, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins10 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Length25.4 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WL-SWTP SMT White Top view PLCC, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SWTP SMT White Top view PLCC | – | – | – | – | – | Emitting ColorSunrise | – | – | – | – | – | – | Luminous Flux [typ.]8 lm | – | – | – | Forward Voltage [typ.]3 V | – | – | – | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]120 ° | Color Rendering Index [typ.]85 | Size3014 | MountSMT | Length3 mm | Height0.8 mm | – | – | Operating Temperature -40 °C up to +85 °C | ||||
 | WL-SFTD SMT Full-color Top LED Diffused, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SFTD SMT Full-color Top LED Diffused | – | – | – | – | – | Emitting ColorRed & Green & Blue | Peak Wavelength (Blue) [typ.]465 nm | Peak Wavelength (Green) [typ.]515 nm | Peak Wavelength (Red) [typ.]635 nm | Dominant Wavelength (Blue) [typ.]470 nm | Dominant Wavelength (Green) [typ.]520 nm | Dominant Wavelength (Red) [typ.]625 nm | – | Luminous Intensity (Blue) [typ.]400 mcd | Luminous Intensity (Green) [typ.]1900 mcd | Luminous Intensity (Red) [typ.]800 mcd | – | Forward Voltage (Blue) [typ.]3.2 V | Forward Voltage (Green) [typ.]3.2 V | Forward Voltage (Red) [typ.]2 V | Chip TechnologyAlInGaP + GaN | Viewing Angle Phi 0° [typ.]120 ° | – | Size3535 | MountSMT | Length3.7 mm | Height2.8 mm | – | – | Operating Temperature -40 °C up to +85 °C |