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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 | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | Operation Force (Value) (g) | Schematic | Packaging | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins | Pitch (mm) | Gender | Type | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Stranded Wire Section (AWG) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691412120002MB | SPEC | – | 6 files | WR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires | Screwless | PCB | No | 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | – | Box | 2 | – | – | – | – | – | 8.5 | – | – | THT | 2 | 3.5 | – | 45° | 250 | – | – | 14 to 20 (AWG) | |
| 691412120003MB | SPEC | – | 6 files | WR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires | Screwless | PCB | No | 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | – | Box | 2 | – | – | – | – | – | 12 | – | – | THT | 3 | 3.5 | – | 45° | 250 | – | – | 14 to 20 (AWG) | |
| 691412120006MB | SPEC | – | 6 files | WR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires | Screwless | PCB | No | 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | – | Box | 2 | – | – | – | – | – | 22.5 | – | – | THT | 6 | 3.5 | – | 45° | 250 | – | – | 14 to 20 (AWG) | |
 | 744841210 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | WE-CMB NiZn Common Mode Power Line Choke | – | – | – | – | – | – | – | 1.5 | 100 | 80 | 250 | 1500 | NiZn | 16 | 7.5 | 17.5 | THT | 4 | – | – | – | – | – | – | – | ||
 | 61200621721 | SPEC | – | 6 files | WR-BHD 2.54 mm Male Angled Box Header | – | PCB | – | – | – | – | Tray | 3 | – | – | – | – | – | 15.28 | – | – | THT | 6 | 2.54 | Male | Angled | 250 | 20 | max. | – | |
| 61202021721 | SPEC | – | 6 files | WR-BHD 2.54 mm Male Angled Box Header | – | PCB | – | – | – | – | Tray | 3 | – | – | – | – | – | 33.06 | – | – | THT | 20 | 2.54 | Male | Angled | 250 | 20 | max. | – | |
 | 450301014042 | SPEC | – | 5 files | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm | – | – | – | – | 800 | SPDT | Bulk | 0.5 | – | – | 12 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 750314734 | SPEC | – | – | Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691412120002MB | SPEC | – |
| 691412120003MB | SPEC | – |
| 691412120006MB | SPEC | – |
| 744841210 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 61200621721 | SPEC | – |
| 61202021721 | SPEC | – |
| 450301014042 | SPEC | – |
| 750314734 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | Operation Force (Value) (g) | Schematic | Packaging | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins | Pitch (mm) | Gender | Type | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Stranded Wire Section (AWG) | Samples |
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