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Infineon Technologies XDPL8221XUMA1
- Part No.:
- XDPL8221XUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- LED Drivers
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
XDPL8221XUMA1.pdf
- Description:
- IC LED DRIVER OFFL PWM 16DSO
- Quantity:
- Payment:
- Shipping:
Inventory:4,990
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Product details
Overview
XDPL8221XUMA1 from Infineon Technologies is a digital dual-stage AC/DC controller integrating multimode Power Factor Correction (PFC) and Flyback (FB) stages in a single PG-DSO-16 package. It delivers flicker-free LED dimming down to 1%, supports universal AC input (90–305 Vrms), achieves ≤15% THD at 30% load, enables UART-configurable CC/CV/LP output modes, and incorporates adaptive temperature protection for LED driver applications.
For engineers reviewing the XDPL8221XUMA1 datasheet, XDPL8221XUMA1 pinout, XDPL8221XUMA1 application, or XDPL8221XUMA1 equivalent, key selection considerations include primary-side regulation capability, multimode QRM/DCM/ABM switching behavior, integrated 600 V HV startup cell (<250 ms time-to-light), OTP-programmable parameters, and UART-based real-time status monitoring and configuration.
Technical Context
The XDPL8221 implements a tightly coupled two-stage architecture: its PFC stage uses constant-on-time control with THD optimization algorithms and automatic QRM/DCM mode switching, while the FB stage employs primary-side regulation with configurable CC/CV/LP output control and dynamic mode selection among QRM, DCM, and Active Burst Mode. Both stages share sensing resources (e.g., ZCD for zero-crossing, bus voltage, and output voltage estimation).
It integrates a 600 V high-voltage startup cell, OTP memory for parameter calibration (e.g., current limit, max power), and dual protection logic-configurable auto-restart or latch reactions-for over-voltage, under-voltage, over-current, and thermal faults across PFC, FB, and supply domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 90–305 Vrms universal AC/DC - enables single-design compatibility across global mains voltages without hardware change. |
| THD @ 30% Load | <15% - meets IEC 61000-3-2 Class C requirements for lighting equipment even at light loads. |
| Dimming Range | Analog dimming to 1% - eliminates visible flicker in high-end architectural and commercial LED luminaires. |
| Startup Time | <250 ms - achieved via integrated 600 V HV startup cell, eliminating external bias winding or auxiliary supply. |
| Efficiency | Up to 90% - enabled by synchronized PFC+FB operation and low-loss multimode switching. |
| Control Interface | UART - allows bidirectional communication with MCU for real-time telemetry, firmware updates, and dynamic parameter adjustment. |
| Protection Reactions | Configurable auto-restart or latch - supports fail-safe behavior per safety-critical LED driver standards (e.g., UL 8750). |
Pinout & Package
XDPL8221XUMA1 is housed in a PG-DSO-16 (150-mil) thermally enhanced SOIC package with exposed pad for improved thermal dissipation in enclosed LED driver housings.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GDFB (Pin 1) | Flyback gate driver output | Directly drives external MOSFET in FB stage; supports programmable drive strength for EMI optimization. |
| CSFB (Pin 2) | Flyback current sense input | Connects to shunt resistor on FB MOSFET source; enables primary-side current regulation and OCP. |
| VCC (Pin 3) | Supply voltage input | Internal LDO input; requires external 12–24 V rail after startup; includes UVLO/OVLO protection. |
| GND (Pin 4) | Power and signal ground | Common reference for all analog/digital circuits; must be low-impedance connection to PCB ground plane. |
| ZCD (Pin 5) | Zero-crossing & bus sensing | Monitors FB auxiliary winding for timing, output voltage estimation, and bus voltage feedback - reduces component count. |
| VS (Pin 6) | Bus voltage sense | Measures PFC output (bulk) voltage for OVP/UVP and mode transition decisions; shares ZCD path in some configurations. |
| HV (Pin 8) | High-voltage startup input | Connects to rectified line via resistor; powers internal 600 V startup circuit - eliminates need for auxiliary winding. |
| CSPFC (Pin 12) | PFC current sense input | Connects to shunt on PFC switch source; enables accurate input current shaping and cycle-by-cycle OCP. |
| GDPFC (Pin 13) | PFC gate driver output | Drives external PFC MOSFET; supports programmable slew rate to balance EMI and efficiency. |
| PWM (Pin 16) | Analog dimming input | Accepts 0–10 V or resistive dimmer signal for smooth 1–100% analog current reduction without flicker. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated PFC + Flyback Controller | Reduces BOM count by >30% vs. discrete controllers; eliminates inter-stage timing mismatch and improves system stability. |
| Primary-Side Regulation (PSR) | Removes optocoupler and secondary-side TL431, lowering cost, improving reliability, and simplifying isolation design. |
| OTP Memory Configuration | Enables factory programming of output current, max power, protection thresholds - supports one-hardware platform across multiple LED wattages. |
| Adaptive Temperature Protection | Adjusts output power based on real-time die temperature - prevents thermal runaway without abrupt shutdown in enclosed fixtures. |
| Multi-Mode Switching (QRM/DCM/ABM) | Optimizes efficiency across full load range: QRM at medium/high load, DCM at light load, ABM in standby - maintains <100 mW no-load consumption. |
Applications
| Commercial Downlight Drivers | Industrial High-Bay LED Drivers |
|---|---|
|
Use Scenario: Constant-current drivers powering 30–100 W LED modules in recessed ceiling fixtures with 0–10 V dimming. IC Role / Device Role / Timing Role: Dual-stage digital controller performing PFC correction and isolated flyback regulation with PSR, eliminating optocoupler and enabling flicker-free dimming. Use Value: Achieves >0.95 PF and <15% THD across 10–100% load while maintaining ±3% current accuracy - meets DLC Premium and Energy Star requirements. |
Use Scenario: Robust 150–250 W LED drivers for warehouse high-bay luminaires operating in ambient temperatures up to 70°C. IC Role / Device Role / Timing Role: Integrated thermal management controller using TEMP pin feedback to dynamically derate output power and prevent overheating in sealed enclosures. Use Value: Enables continuous operation at full load in 60°C ambient without fan cooling - reduces system size, noise, and maintenance cost. |
| Smart Streetlight Drivers | UV-C Disinfection Module Supplies |
|
Use Scenario: Networked streetlights with DALI-2 or Zigbee connectivity requiring remote monitoring and firmware-upgradable power control. IC Role / Device Role / Timing Role: UART-enabled digital power controller providing real-time telemetry (bus voltage, temperature, fault logs) to gateway MCU without additional ADC or sensors. Use Value: Reduces bill-of-materials by consolidating monitoring functions into the controller - cuts BOM cost by $0.42/unit and simplifies certification. |
Use Scenario: Constant-current supplies for pulsed UV-C LEDs used in medical-grade surface disinfection systems requiring precise current control and fast fault response. IC Role / Device Role / Timing Role: Fast-acting protection controller with configurable latch-mode reaction to over-current events - ensures immediate shutdown during LED short-circuit or thermal excursion. Use Value: Meets IEC 62368-1 Annex G requirements for hazardous energy limitation - prevents UV-C LED damage and operator exposure risk. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital PFC+flyback controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UCC28056 (Texas Instruments) | Single-stage transition-mode PFC only; no integrated flyback controller - requires separate FB IC and optocoupler. | Lacks primary-side regulation and UART interface; limited to basic CC drivers without telemetry or smart dimming. | Choose when cost sensitivity outweighs integration benefits and system complexity is managed via discrete design. |
| ICE3PCS01G (Infineon) | Analog PFC + standalone flyback controller; no digital configurability, OTP, or UART - fixed internal parameters. | No runtime reconfiguration; dimming limited to PWM only; no THD optimization below 50% load. | Choose for legacy designs where qualification stability is prioritized over feature flexibility and future-proofing. |
Compared with UCC28056 and ICE3PCS01G, XDPL8221XUMA1 uniquely combines digital dual-stage control, flicker-free analog dimming, and UART-based system integration - enabling fewer components, higher reliability, and smarter LED driver architectures without sacrificing compliance or thermal robustness.
Availability
XDPL8221XUMA1 is available at Aetrix Electronics and suitable for commercial downlights, industrial high-bay fixtures, and smart streetlight drivers requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for XDPL8221XUMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with leadership in CoolMOS™ and digital power solutions.
XDPL8221XUMA1 belongs to the XDP™ Digital Power family - designed specifically for highly integrated, software-configurable AC/DC LED drivers that replace analog controllers while meeting global energy efficiency and safety standards.
FAQ
What is the role of the ZCD pin in XDPL8221XUMA1?
The ZCD (Zero-Crossing Detection) pin serves three critical functions: it detects zero-crossing of the flyback auxiliary winding for quasi-resonant timing, estimates output voltage via reflected winding ratio for primary-side regulation, and monitors bulk bus voltage for PFC/FB protection. This multi-use design eliminates separate voltage-sense and timing components, reducing BOM count and layout area.
Does XDPL8221XUMA1 support both analog and PWM dimming simultaneously?
No - XDPL8221XUMA1 supports analog dimming via the PWM pin (0–10 V or resistive input) and PWM dimming via an external digital signal applied to the same pin, but not concurrently. The mode is selected during OTP programming; analog dimming enables flicker-free 1–100% current control, while PWM dimming provides digital on/off modulation with fixed duty cycle.
How does the HV pin enable fast startup without an auxiliary winding?
The HV pin connects directly to the rectified AC line through an external resistor and powers an internal 600 V startup cell. This cell charges the VCC capacitor independently of the transformer, achieving <250 ms time-to-light without requiring an auxiliary winding, bias supply, or external startup circuit - simplifying transformer design and improving reliability.
Can the UART interface be used for field firmware updates?
No - the UART interface supports real-time readout of operating parameters (bus voltage, temperature, fault status) and runtime configuration of protection thresholds and output limits, but the One-Time Programmable (OTP) memory cannot be rewritten after factory programming. Firmware-level updates are not supported; functional changes require hardware revision or OTP reprogramming during manufacturing.
XDPL8221XUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- XDP™
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- AC DC Offline Switcher
- Topology:
- Flyback
- Internal Switch(s):
- Yes
- Number of Outputs:
- 2
- Voltage - Supply (Min):
- -
- Voltage - Supply (Max):
- 24V
- Voltage - Output:
- -
- Current - Output / Channel:
- -
- Frequency:
- 66MHz
- Dimming:
- PWM
- Applications:
- LED Lighting
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-DSO-16
XDPL8221XUMA1 FAQ
1.How can I place an order for XDPL8221XUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XDPL8221XUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for XDPL8221XUMA1 reliable?
The price and inventory of XDPL8221XUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XDPL8221XUMA1 is usually 5 days.
3.What payment methods are accepted for XDPL8221XUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XDPL8221XUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XDPL8221XUMA1?
XDPL8221XUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XDPL8221XUMA1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for XDPL8221XUMA1?
For technical support, including XDPL8221XUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XDPL8221XUMA1 requirements.
6.How does Aetrix verify that XDPL8221XUMA1 is sourced from the original manufacturer or authorized distributors?
All XDPL8221XUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that XDPL8221XUMA1 meets industry standards.
7.What is the process for return or replacement of XDPL8221XUMA1?
All XDPL8221XUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XDPL8221XUMA1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The XDPL8221XUMA1 part is unused and in its original packaging.
Return procedure for XDPL8221XUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
XDPL8221XUMA1 Tags
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BCR402RE6327HTSA1
Infineon Technologies
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BCR430UXTSA2
Infineon Technologies
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BCR420UE6433HTMA1
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BCR420UE6327HTSA1
Infineon Technologies
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BCR421UE6327HTSA1
Infineon Technologies
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HV9910CLG-G
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CL2N8-G
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BCR420UW6-7
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BCR420UFD-7
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BCR421UFD-7
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