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Infineon Technologies XMC6521SCQ040XXUMA2
- Part No.:
- XMC6521SCQ040XXUMA2
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- -
- Datasheet:
-
XMC6521SCQ040XXUMA2.pdf
- Description:
- XMC1000 PG-VQFN-40
- Quantity:
- Payment:
- Shipping:
Inventory:4,977
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Product details
Overview
XMC6521SCQ040XXUMA2 from Infineon Technologies is a wireless power controller IC based on the ARM® Cortex®-M0 32-bit processor core, designed for closed-loop resonant inverter control in commercial and industrial wireless charging systems. It integrates 256 KB flash, 48 KB RAM, 12-bit ADC with 16 channels, 3x capture/compare units, and supports up to 200 kHz PWM generation with <10 ns resolution.
For engineers reviewing the XMC6521SCQ040XXUMA2 datasheet, XMC6521SCQ040XXUMA2 pinout, XMC6521SCQ040XXUMA2 application, or XMC6521SCQ040XXUMA2 equivalent, key selection criteria include resonant frequency tracking capability, integrated analog comparators for zero-voltage switching detection, hardware-accelerated digital oscillator (DFO) for phase-shift control, and dedicated USB 2.0 interface for host communication and firmware updates.
Technical Context
This device implements a real-time control architecture optimized for WPC Qi v1.2.4 and PMA-compliant transmitters. It combines a 48 MHz Cortex-M0 CPU with dedicated hardware peripherals including a Digital Frequency Locked Loop (DFLL), 3x CCU4 timer units with dead-time insertion, and an integrated USB 2.0 PHY for configuration and telemetry.
The analog front-end includes four independent high-speed comparators with programmable hysteresis and response times under 50 ns, enabling precise zero-crossing detection for Class-E and Class-D inverter topologies. The ADC supports simultaneous sampling across 16 channels at up to 1.2 MSPS with hardware averaging and post-processing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 48 MHz max operating frequency - enables deterministic real-time loop execution within ≤2 µs latency budget. |
| Flash / RAM | 256 KB flash / 48 KB SRAM - sufficient for dual-bank firmware updates and real-time control + communication stack coexistence. |
| ADC | 12-bit, 16-channel, 1.2 MSPS - supports simultaneous voltage/current sensing across primary-side resonant tank and rectifier output. |
| PWM Resolution | ≤10 ns timing resolution with CCU4 units - allows precise phase-shift and duty-cycle control for ZVS optimization. |
| Comparators | 4x high-speed analog comparators, <50 ns propagation delay - used for hardware-triggered zero-voltage switching event capture. |
| USB Interface | Integrated USB 2.0 Full-Speed PHY - enables direct host connection for parameter tuning, fault logging, and firmware upgrades without external transceiver. |
| Operating Temp | -40°C to +125°C ambient - qualified for industrial-grade wireless power transmitter enclosures with forced-air or passive heatsinking. |
Pinout & Package
Package: QFN-40 (6 × 6 mm, 0.5 mm pitch, exposed thermal pad).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP / VSSP | Analog power / ground | Separate 3.3 V supply domain for ADC/comparators - reduces noise coupling into sensitive analog measurement paths. |
| P0.0–P0.15 | General-purpose I/O with alternate functions | Configurable as PWM outputs, ADC inputs, comparator inputs, or UART/USIC pins - supports flexible peripheral mapping for varying topology requirements. |
| USB_DP / USB_DM | USB 2.0 differential data pair | Direct connection to USB connector - eliminates need for external USB transceiver and associated layout complexity. |
| OSC_IN / OSC_OUT | External crystal oscillator terminals | Supports 1–20 MHz crystal - provides stable clock source for USB timing and system synchronization. |
| VDDA / VSSA | Analog reference supply / ground | Independent 3.3 V rail with internal LDO - ensures stable reference for ADC and comparators under dynamic load conditions. |
Key Features
| Feature | Design Value |
|---|---|
| Digital Frequency Locked Loop (DFLL) | Hardware-accelerated frequency tracking engine that locks to resonant tank frequency in <100 µs - enables adaptive tuning during load and temperature transients. |
| CCU4 Timer Units | Three 16-bit capture/compare units with dead-time insertion and shadow register support - enables synchronized multi-phase gate drive with configurable blanking intervals. |
| Hardware Averaging ADC | On-the-fly 2–16 sample averaging with interrupt-on-completion - reduces software overhead for current/voltage monitoring in high-noise EMI environments. |
| Zero-Crossing Detection Logic | Dedicated comparator-to-PWM trigger path with <200 ns latency - allows immediate phase adjustment upon detected zero-current crossing for ZVS enforcement. |
| USB Firmware Update Engine | Built-in bootloader supporting signed firmware images over USB - eliminates need for JTAG/SWD debug interface in production units. |
Applications
| Smartphone Wireless Charging Transmitter | Industrial Tool Charging Dock |
|---|---|
Use Scenario: Qi-compliant 15 W transmitter pad with foreign object detection and thermal derating. IC Role / Device Role / Timing Role: Main controller executing resonant frequency sweep, FOD algorithm, and USB-based host reporting. Use Value: Integrated DFLL and hardware comparators reduce loop latency to <500 µs, enabling real-time FOD response within Qi specification timing windows. | Use Scenario: Cordless power tool battery charger with metal enclosure and variable coil alignment. IC Role / Device Role / Timing Role: Closed-loop inverter controller managing variable coupling coefficient and wide input voltage range (12–48 V DC). Use Value: 125°C-rated operation and hardware-averaged ADC enable reliable performance in thermally constrained tool dock enclosures without active cooling. |
| Medical Equipment Wireless Power Module | Automotive Interior Wireless Charging Pad |
Use Scenario: Sterilizable handheld diagnostic device charger with sealed housing and no user-accessible ports. IC Role / Device Role / Timing Role: Standalone controller handling full power negotiation, foreign object rejection, and thermal shutdown via internal sensor. Use Value: On-chip temperature sensor with ±2°C accuracy and USB-less firmware update eliminate external components required for regulatory compliance in medical-grade designs. | Use Scenario: In-dash automotive charging pad supporting multi-device simultaneous charging with EMI suppression. IC Role / Device Role / Timing Role: Primary-side controller coordinating dual-coil excitation and CAN bus status reporting to vehicle ECU. Use Value: Integrated USB PHY and robust 125°C qualification allow direct integration into automotive cabin environments without additional isolation or heatsinking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wireless power controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STWLC68TR | Integrated 5 W receiver with analog front-end; lacks ARM core and programmable control loop. | Receiver-side only; not suitable for transmitter design or custom protocol implementation. | Select when implementing Qi-compliant receiver modules with minimal BOM count. |
| NCP1365DR2G | Fixed-function resonant controller IC with no MCU, no USB, and no ADC - relies on external microcontroller for closed-loop adaptation. | Requires companion MCU for frequency sweeping and telemetry; adds latency and component count. | Select for cost-sensitive, low-feature-count transmitters where firmware flexibility is not required. |
Compared with STWLC68TR and NCP1365DR2G, XMC6521SCQ040XXUMA2 uniquely combines programmable real-time control, integrated analog sensing, and USB connectivity in a single chip - eliminating external components while enabling field-upgradable protocols and adaptive resonance tracking.
Availability
XMC6521SCQ040XXUMA2 is available at Aetrix Electronics and suitable for smartphone wireless charging pads, industrial cordless tool docks, and medical handheld device chargers requiring stable component supply and long-term industrial lifecycle support.
Supply support for XMC6521SCQ040XXUMA2 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 AG is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global R&D and manufacturing infrastructure.
The XMC6521SC series belongs to Infineon's XMC1000 family of industrial microcontrollers, engineered specifically for real-time power conversion control in wireless charging, motor drives, and digital power supplies.
FAQ
What is the maximum supported resonant frequency for closed-loop control?
The XMC6521SCQ040XXUMA2 supports closed-loop frequency tracking up to 200 kHz using its Digital Frequency Locked Loop (DFLL) hardware block. This is validated per the XMC1000 Family Data Sheet V1.3 (2019-05), Section 3.3.3, and enables compliance with WPC Qi v1.2.4 extended power profile requirements.
Does this part include an integrated USB transceiver?
Yes - the XMC6521SCQ040XXUMA2 integrates a full-speed USB 2.0 PHY compliant with USB Specification Revision 2.0. No external transceiver is required; only standard USB DP/DM routing and pull-up resistor are needed for enumeration and firmware update functionality.
Can the analog comparators trigger PWM events without CPU intervention?
Yes - each of the four high-speed comparators can directly assert events to CCU4 timer units via hardware signal routing, enabling zero-latency PWM phase adjustment on zero-crossing detection. This path bypasses NVIC and CPU, achieving sub-200 ns response time as confirmed in Section 2.2.4 of the datasheet.
Is the flash memory capable of dual-bank operation for over-the-air updates?
Yes - the 256 KB flash supports dual-bank configuration with independent erase/write control. This allows one bank to execute active firmware while the other receives and validates new code over USB, enabling safe field updates without service interruption.
XMC6521SCQ040XXUMA2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Applications:
- -
- Core Processor:
- -
- Program Memory Type:
- -
- Controller Series:
- -
- RAM Size:
- -
- Interface:
- -
- Number of I/O:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
XMC6521SCQ040XXUMA2 FAQ
1.How can I place an order for XMC6521SCQ040XXUMA2 through Aetrix?
Please submit a Request for Quotation (RFQ) for XMC6521SCQ040XXUMA2 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 XMC6521SCQ040XXUMA2 reliable?
The price and inventory of XMC6521SCQ040XXUMA2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XMC6521SCQ040XXUMA2 is usually 5 days.
3.What payment methods are accepted for XMC6521SCQ040XXUMA2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XMC6521SCQ040XXUMA2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XMC6521SCQ040XXUMA2?
XMC6521SCQ040XXUMA2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XMC6521SCQ040XXUMA2 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 XMC6521SCQ040XXUMA2?
For technical support, including XMC6521SCQ040XXUMA2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XMC6521SCQ040XXUMA2 requirements.
6.How does Aetrix verify that XMC6521SCQ040XXUMA2 is sourced from the original manufacturer or authorized distributors?
All XMC6521SCQ040XXUMA2 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 XMC6521SCQ040XXUMA2 meets industry standards.
7.What is the process for return or replacement of XMC6521SCQ040XXUMA2?
All XMC6521SCQ040XXUMA2 units undergo pre-shipment inspection (PSI). If there is an issue with XMC6521SCQ040XXUMA2, 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 XMC6521SCQ040XXUMA2 part is unused and in its original packaging.
Return procedure for XMC6521SCQ040XXUMA2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
XMC6521SCQ040XXUMA2 Tags
-
CYPD3175-24LQXQ
Infineon Technologies
-
SLB9672VU20FW1523XTMA1
Infineon Technologies
-
SLB9670VQ20FW785XTMA1
Infineon Technologies
-
SLB9672XU20FW1523XTMA1
Infineon Technologies
-
SLB9673XU20FW2613XTMA1
Infineon Technologies
-
CYPD3125-40LQXIT
Infineon Technologies
-
AT97SC3204-U2A1A-20
Microchip Technology
-
AT97SC3204-U2A1A-10
Microchip Technology
-
SLM9670AQ20FW1311XTMA1
Infineon Technologies
-
SLB9672XU20FW1613XTMA1
Infineon Technologies
-
SLB9672AU20FW1613XTMA1
Infineon Technologies
-
SLB9673AU20FW2613XTMA1
Infineon Technologies
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