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Overview
| Topology | Flyback Converter |
| Input voltage | 120-277 V |
| Output 1 | 30.77 V / 1.51 A |
| IC revision | 1.1 |
Description
The XDPL8221 50 W reference design is a digitally configurable LED driver that has an universal input of 90 to 305 V AC or 90 to 430 V DC wide output load range of 16 to 48 V DC and isolated dimming interface (with CDM10VD). Please refer to the next page for the main design features of this board based on the XDPL8221 and CDM10VD. The XDPL8221 is a digital, highly integrated, future-proof device. It combines a quasi-resonant PFC with a quasi-resonant flyback controller with primary side regulation. A serial communication interface supports direct communication with external MCU. The XDPL8221 is especially designed for advanced LED driver in smart lighting or IoT applications. The multi control feature constant voltage, constant current and limited power enables highly, versatile LED driver (e.g. window LED driver).The dual-stage topology ensures with the built-in algorithms flicker-free operation and dimming down to 1% of nominal current. The device enables excellent power quality over a load range from 30% to 100% of design power.
Features
- Supports AC and DC input
- Nominal input voltage range 100VAC – 277VAC or 127VDC – 430VDC
- Reference board efficiency > 90%
- Power factor > 0.9 and THD < 15% over wide load range
- UART interface and command set
- Standby power < 100mW
- Temperature guard with adaptive thermal management with internal and/or external sensor
- Digital control selects automatically best mode of operation, depending on actual requirements
- QRM (quasi-resonant mode)
- DCM (discontinuous conduction mode)
- ABM (active burst mode)
- Tunable, digital parameters
- Configurable brown-out and brown-in protections
- Relevant error conditions are monitored and protected
- Undervoltage
- Overvoltage
- Open load
- Output shorted
Typical applications
- Flicker-free LED driver for indoor or outdoor applications / Multi-mode LED driver for connected lighting / Wired or wireless connected LED driver
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | ISAT,10%(A) | fres(MHz) | Version | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | RESR(mΩ) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Packaging | L(µH) | IR(A) | RDC max.(Ω) | 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) | – | – | – | – | – | – | – | – | – | – | Pitch3.5 mm | – | Length8.5 mm | PackagingBox | – | Rated Current2 A | – | ||||
| 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) | – | – | – | – | – | – | – | – | – | – | Pitch3.5 mm | – | Length12 mm | PackagingBox | – | Rated Current2 A | – | ||||
 | WE-FI Leaded Toroidal Line Choke, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length14 mm | – | Inductance68 µH | Rated Current2.8 A | DC Resistance0.055 Ω | |||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | Saturation Current @ 10%1.3 A | Self Resonant Frequency1.8 MHz | VersionStandard | – | – | – | – | – | – | – | – | – | Length10.5 mm | – | Inductance470 µH | Rated Current1.15 A | DC Resistance0.52 Ω | ||||
 | WCAP-PTHR Aluminum Polymer Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PTHR Aluminum Polymer Capacitors | – | – | – | – | – | – | – | – | Capacitance22 µF | Rated Voltage63 V (DC) | Endurance 2000 | Ripple Current1400 mA | ESR55 mΩ | Leakage Current277.2 µA | Dissipation Factor12 % | Pitch3.5 mm | Diameter8 mm | Length11.5 mm | PackagingAmmopack | – | – | – | ||||
750343127 | Flyback Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
750343237 | PFC Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |