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Overview
| Topology | Buck Converter |
| Output 1 | 3.3 V |
| IC revision | 1 |
Description
The NCL31000 is an intelligent LED driver targeting luminaire applications, including capabilities for Visible Light Communication and Indoor Positioning. The NCL31000 incorporates a high efficiency buck LED driver that supports both high-bandwidth analog and PWM dimming down to zero current. Two auxiliary DC-DC converters are included to power a microcontroller and other sensors. Diagnostics are included to measure input and output current and voltage, LED temperature and DC-DC voltages.
Features
- Arduino Shield compatible
- Visible Light Communication capable / YellowDot™ compliant
97 % Efficiency of total solution, incl EMC, DC-DC’s, diagnostics, etc
- High linearity and 0,1% accuracy, true dimming to zero
- Input voltage 24 up to 57V
- LED Power capability beyond 100W
- Optional I2C/SPI interface (NCL31000MNITWG I²C variant mounted)
Typical applications
- Visible Light Communication, Connected indoor & outdoor lighting, Multi-channel managed lighting, Theater lighting, Therapeutic lighting, Information displays, Backlighting
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Pins | Mount | L(mm) | Working Voltage(V (AC)) | Operating Temperature | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR(A) | Z @ 1 GHz(Ω) | H(mm) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 100 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance100 µH | – | Saturation Current1.8 A | DC Resistance198 mΩ | Self Resonant Frequency5.9 MHz | Size1050 | VersionPerformance | Pins2 | MountSMT | Length10 mm | – | Operating Temperature -40 °C up to +150 °C | – | – | – | Rated Current1.5 A | – | Height5 mm | – | ||||
 | WE-PD SMT Power Inductor, 390 µH, 0.61 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance390 µH | Performance Rated Current0.61 A | Saturation Current0.42 A | DC Resistance2850 mΩ | Self Resonant Frequency3.8 MHz | Size7345 | VersionStandard | Pins2 | MountSMT | Length7.3 mm | – | Operating Temperature -40 °C up to +125 °C | – | – | – | Rated Current0.38 A | – | Height4.5 mm | – | ||||
 | WE-MPSB EMI Multilayer Power Suppression Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | DC Resistance5 mΩ | – | Size0603 | VersionSMT | – | MountSMT | Length1.6 mm | – | Operating Temperature -55 °C up to +125 °C | Impedance @ 100 MHz8 Ω | Maximum Impedance25 Ω | Maximum Impedance1930 MHz | Rated Current9.5 A | Impedance @ 1 GHz24 Ω | Height0.8 mm | TypeHigh Current | ||||
 | WR-PHD Pin Header - Dual, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | – | – | – | – | Pins6 | MountTHT | Length7.62 mm | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | Rated Current3 A | – | – | TypeStraight |