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Overview
| Topology | Power Factor Correction |
| Input voltage | 120-227 V |
| Switching frequency | 500-2000 kHz |
| Output 1 | 48 V |
| IC revision | 1.1 |
Description
The XDPL8221 connects a digital quasi-resonant PFC XDP™ control stage and a quasi-resonant flyback controller with primary-side regulation. A serial communication interface supports direct communication with an external microcontroller unit (MCU). The XDPL8221 digital control IC is especially designed for advanced LED drivers in smart lighting or Internet of Things (IoT) applications. The built-in algorithms of the dual stage topology ensures flicker-free operation and dimming down to 1% of nominal current.
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 | IR(A) | L(mH) | 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) | – | – | – | 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) | – | – | – | Rated Current2 A | – | – | – | – | – | Length12 mm | – | – | MountTHT | ||||
 | WE-CMB Common Mode Power Line Choke, 4, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | Pins4 | – | – | – | – | – | – | VersionTHT | Rated Current2 A | Inductance1 mH | DC Resistance45 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15 mm | Width7.8 mm | Height18 mm | MountTHT | ||||
 | 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%1.75 A | Self Resonant Frequency2.3 MHz | VersionStandard | Rated Current1.6 A | Inductance0.22 mH | DC Resistance260 mΩ | – | – | MaterialNiZn | Length10.5 mm | Width10.5 mm | Height14.5 mm | MountTHT | ||||
750343236 | PFC Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
750317672 | Flyback Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |