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Infineon Technologies ILD2111 | Demoboard ILD2111 Evaluat ion System
ILD2111 - Digi tal DC/DC Buck Cont rol ler IC
Overview
| Topology | Flyback Converter |
| Input voltage | 30-65 V |
| Switching frequency | 30-250 kHz |
| Output 1 | 55 V / 1 A |
| IC revision | 1.0 |
Description
The ILD2111 is a high-performance digital microcontroller-based DC/DC buck LED controller IC designed as a constant current source. High-precision hysteretic output current regulation is achieved by means of thedigital control loops. The driving current can be adjusted with a simple external resistor. The controller typically uses a floating buck topology operating in a Continuous Conduction Mode (CCM). In order to reduce switching losses and increase efficiency, as well as to control the switching frequency over a widevariety of external component’s values, input voltage and load variations, a frequency ripple control is introduced. Both internal and external temperature measurements are performed and accompanied by an intelligent temperature protection algorithm with two threshold values. The controller utilizes a variety of protection features, including overpower, open and short load conditions. The ILD2111 is a dimmabledevice controllable by external PWM signal. An ASSP digital microcontroller-based engine is highly configurable thanks to a comprehensive parameter set providing fine-tuning of operation and protection features. The device can be parameterized through a single pin UART interface at the REF/SC pin by usingthe .dp vision tool (see Section 5.2).
Features
- Standalone board for evaluation of ILD2111 (dimensions: 98 x 54 x 23 mm)Primary side connected to 1st stage flyback solution with PFC (e.g. TDA4863-2G) for power classes up to50 W or dual stage PFC + LLC solution (e.g. ICL5101) for power classes above 50 W or DC voltage source
- Hysteretic current regulation
- Output current adjustable for up to 16 steps with a dynamic range of 1:4 between minimum andmaximum configurable by an external resistor
- Flickerfree and phase-aligned PWM dimming based on input PWM signal
- Fully configurable internal and external smart overtemperature protection
- Open/short load protection
- Overpower protection
- ILD2111 with firmware and default parameter set
- Device parameters optionally configurable by graphical user interface (.dp vision)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | Version | Operating Temperature | Stranded Wire Section (AWG) | Operation Force(g) | Schematic | Packaging | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires, 2, Screwless | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityNo | Type45° | Wire Section 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | Operating Temperature -40 °C up to +105 °C | Stranded Wire Section (AWG)14 to 20 (AWG) | – | – | PackagingBox | Rated Current2 A | – | – | – | – | – | Length8.5 mm | – | – | MountTHT | ||||
| WR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires, 3, Screwless | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins3 | PCB/Cable/PanelPCB | ModularityNo | Type45° | Wire Section 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | Operating Temperature -40 °C up to +105 °C | Stranded Wire Section (AWG)14 to 20 (AWG) | – | – | PackagingBox | Rated Current2 A | – | – | – | – | – | Length12 mm | – | – | MountTHT | ||||
 | WE-CMB NiZn Common Mode Power Line Choke, 4, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB NiZn Common Mode Power Line Choke | Pins4 | – | – | – | – | VersionTHT | Operating Temperature -40 °C up to +125 °C | – | – | – | – | Rated Current1.5 A | Inductance100 µH | DC Resistance80 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialNiZn | Length16 mm | Width7.5 mm | Height17.5 mm | MountTHT | ||||
 | WR-BHD 2.54 mm Male, 6, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-BHD 2.54 mm Male | Pins6 | PCB/Cable/PanelPCB | – | TypeAngled | – | VersionLow Profile | Operating Temperature -40 °C up to +105 °C | – | – | – | PackagingTray | Rated Current3 A | – | – | – | – | – | Length15.28 mm | – | – | MountTHT | |||
| WR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires, 6, Screwless | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins6 | PCB/Cable/PanelPCB | ModularityNo | Type45° | Wire Section 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | Operating Temperature -40 °C up to +105 °C | Stranded Wire Section (AWG)14 to 20 (AWG) | – | – | PackagingBox | Rated Current2 A | – | – | – | – | – | Length22.5 mm | – | – | MountTHT | ||||
 | WR-BHD 2.54 mm Male, 20, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-BHD 2.54 mm Male | Pins20 | PCB/Cable/PanelPCB | – | TypeAngled | – | VersionLow Profile | Operating Temperature -40 °C up to +105 °C | – | – | – | PackagingTray | Rated Current3 A | – | – | – | – | – | Length33.06 mm | – | – | MountTHT | ||
 | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | Operating Temperature -40 °C up to +85 °C | – | Operation Force800 g | SchematicSPDT | PackagingBulk | Rated Current0.5 A | – | – | Rated Voltage12 V (AC) | – | – | – | – | – | – | ||||
750314734 | Power Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |