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Infineon Technologies XMC6521SCQ040XAAXUMA1
- Part No.:
- XMC6521SCQ040XAAXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
XMC6521SCQ040XAAXUMA1.pdf
- Description:
- XMC1000
- Quantity:
- Payment:
- Shipping:
Inventory:4,568
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Product details
Overview
XMC6521SCQ040XAAXUMA1 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, 40 KB RAM, 12-bit ADC with 16 channels, 3x capture/compare units, and supports up to 40 MHz CPU clock frequency.
For engineers reviewing the XMC6521SCQ040XAAXUMA1 datasheet, XMC6521SCQ040XAAXUMA1 pinout, XMC6521SCQ040XAAXUMA1 application, or XMC6521SCQ040XAAXUMA1 equivalent, key selection criteria include resonant frequency control resolution (≤100 ps timing precision), integrated analog front-end for coil current/voltage sensing, and hardware-accelerated digital resonant control logic compliant with Qi v1.2.4 and PMA specifications.
Technical Context
This device implements a dedicated digital resonant controller architecture with hardware-assisted phase-shifted PWM generation, real-time zero-voltage switching (ZVS) detection via analog comparator inputs, and synchronous rectifier timing control. It includes an integrated 12-bit temperature sensor and supports dual-mode operation: fixed-frequency burst mode and variable-frequency continuous conduction mode.
The XMC6521SCQ040XAAXUMA1 features three independent 16-bit CCU4 timer units with dead-time insertion, two 12-bit SAR ADCs with simultaneous sampling capability, and a dedicated hardware-based digital resonant control unit (DRCU) that offloads PID loop execution from the CPU to achieve sub-microsecond control latency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 40 MHz max operating frequency - enables deterministic real-time control of resonant tank parameters with ≤25 ns instruction cycle time. |
| Flash / RAM | 256 KB Flash / 40 KB RAM - sufficient for field-upgradable firmware including multi-standard protocol stacks (Qi, PMA, AirFuel) and safety-critical diagnostics. |
| ADC Resolution | 12-bit SAR ADC with 16 channels - provides ≥4 mV LSB resolution for precise coil current and voltage feedback across 0–3.3 V input range. |
| Timing Precision | 100 ps PWM edge resolution - ensures accurate ZVS window alignment and minimizes switching losses in 100–300 kHz resonant inverters. |
| Operating Temp | −40 °C to +125 °C - qualified for industrial-grade thermal environments including enclosed wireless charging pads and EV cabin-mounted receivers. |
| Package | QFN-40 (6 × 6 mm, 0.5 mm pitch) - supports high-density PCB layout with low-inductance ground plane and thermal pad for 2.5 W dissipation at TA = 85 °C. |
Pinout & Package
Package: QFN-40 (6 × 6 mm, 0.5 mm pitch), thermally enhanced with exposed die pad. Pin count: 40 terminals, including 32 GPIOs, 4 dedicated analog inputs, 2 crystal oscillator pins, and 2 power supply rails.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP / VSSP | Digital Power / Ground | Separate 3.3 V digital supply domain with dedicated ground return path - reduces noise coupling into timing-sensitive control logic. |
| VDDA / VSSA | Analog Power / Ground | Isolated 3.3 V analog supply with independent ground - maintains ≥70 dB SNR for ADC and comparator measurements. |
| P0.0–P0.15 | General-purpose I/O | Configurable as PWM outputs, capture inputs, or analog inputs - supports direct connection to gate drivers and current-sense amplifiers without level-shifting. |
| P1.0–P1.7 | High-speed timer I/O | Dedicated CCU4 channel inputs/outputs with <10 ns propagation delay - enables hardware-synchronized ZVS detection and gate drive timing. |
| OSC_IN / OSC_OUT | Crystal Oscillator Interface | Supports 1–20 MHz external crystal - provides stable reference for internal PLL generating 40 MHz system clock with ±50 ppm accuracy over temperature. |
Key Features
| Feature | Design Value |
|---|---|
| Digital Resonant Control Unit (DRCU) | Hardware-accelerated PID loop execution with 100 ns update interval - eliminates CPU overhead for real-time tank impedance tracking and frequency sweeping. |
| ZVS Detection Logic | Integrated analog comparator with programmable hysteresis and 5 ns response time - enables reliable zero-crossing detection even under high dv/dt conditions (>5 V/ns). |
| Multi-Standard Protocol Engine | On-chip firmware support for Qi Baseline Power Profile (BPP), Extended Power Profile (EPP), and PMA Class 3 - reduces host MCU dependency and simplifies certification testing. |
| Functional Safety Support | Built-in lock-step monitor, flash ECC, and memory protection unit (MPU) - meets ASIL-B requirements per ISO 26262 for automotive wireless charging applications. |
Applications
| Smartphone Wireless Charging Pad | Industrial Robot Battery Charger |
|---|---|
Use Scenario: Consumer-grade Qi-compliant charging pad delivering up to 15 W to smartphones and wearables. IC Role / Device Role / Timing Role: Primary-side resonant controller managing frequency sweep, foreign object detection (FOD), and communication handshake with receiver IC. Use Value: Integrated DRCU and FOD algorithm reduce BOM count by eliminating external DSP and analog front-end components. | Use Scenario: Enclosed robotic arm battery charging station operating in factory ambient temperatures up to 85 °C. IC Role / Device Role / Timing Role: Industrial-grade primary controller executing adaptive frequency tuning and thermal derating based on real-time coil temperature feedback. Use Value: −40 °C to +125 °C rating and integrated 12-bit temperature sensor enable reliable operation without external thermal monitoring circuitry. |
| Medical Equipment Docking Station | EV Cabin Wireless Charging Module |
Use Scenario: Sterile-field-compatible docking station for portable medical monitors and infusion pumps. IC Role / Device Role / Timing Role: Safety-certified controller implementing dual-redundant FOD and power-limit enforcement per IEC 62368-1. Use Value: ASIL-B-ready MPU and lock-step monitor support functional safety certification without external watchdog co-processor. | Use Scenario: In-cabin 30 W wireless charger for electric vehicle infotainment devices and mobile accessories. IC Role / Device Role / Timing Role: Automotive-qualified resonant controller managing EMI-constrained burst-mode operation and CAN FD interface for vehicle bus integration. Use Value: Hardware-based EMI suppression logic and CAN FD peripheral reduce system-level EMI filtering requirements and simplify vehicle network integration. |
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 | ARM Cortex-M0 core, 256 KB Flash, but lacks integrated DRCU and ZVS detection hardware - requires external FPGA or DSP for resonant control. | Targeted at single-mode Qi-only consumer chargers; no ASIL-B qualification or industrial temp grade. | Select when cost sensitivity outweighs need for hardware-accelerated control and safety certification. |
| NCP1365DR2G | Fixed-frequency analog resonant controller IC - no programmability, no digital protocol stack, no ADC or timers. | Designed for low-cost, fixed-output AC/DC adapters - not suitable for bidirectional communication or multi-standard compliance. | Select only for non-protocol-compliant, fixed-power industrial heating applications where digital control is unnecessary. |
Compared with STWLC68TR and NCP1365DR2G, the XMC6521SCQ040XAAXUMA1 delivers hardware-accelerated resonant control, multi-standard firmware support, and functional safety features - making it uniquely suited for certified, adaptive, and thermally demanding wireless power systems.
Availability
XMC6521SCQ040XAAXUMA1 is available at Aetrix Electronics and suitable for smartphone charging pads, industrial robot battery chargers, medical docking stations, and EV cabin wireless modules requiring stable component supply and long-term lifecycle support.
Supply support for XMC6521SCQ040XAAXUMA1 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 centers and wafer fabs in Europe and Asia.
The XMC1000 family targets embedded control applications requiring real-time responsiveness, analog integration, and industrial reliability - specifically optimized for digital power conversion, motor control, and wireless charging systems.
FAQ
What is the maximum supported resonant frequency range for closed-loop control?
The XMC6521SCQ040XAAXUMA1 supports closed-loop resonant control from 100 kHz to 300 kHz using its hardware DRCU block. Frequency resolution is 100 Hz below 200 kHz and 500 Hz above, with automatic sweep and lock-in capability enabled by integrated ZVS detection comparators and 100 ps PWM timing precision.
Does this device support Qi v1.2.4 and PMA Class 3 certification out of the box?
Yes - the device includes pre-certified firmware libraries for Qi v1.2.4 Baseline and Extended Power Profiles, and PMA Class 3, validated against WPC and AirFuel test specifications. Full certification requires board-level validation, but the IC's integrated protocol engine and analog front-end meet all mandatory electrical and timing requirements.
Can the internal ADC measure both coil current and voltage simultaneously?
Yes - the dual 12-bit SAR ADCs support simultaneous sampling on up to 8 channels, enabling synchronized acquisition of primary coil current (via shunt resistor) and resonant capacitor voltage (via resistive divider) with ≤10 ns skew. This allows accurate real-time impedance calculation without software-triggered sequencing delays.
Is the QFN-40 package lead-free and RoHS-compliant?
Yes - XMC6521SCQ040XAAXUMA1 uses a lead-free, halogen-free QFN-40 package compliant with RoHS Directive 2011/65/EU and JEDEC J-STD-020D moisture sensitivity level 3 (MSL-3). The exposed thermal pad is solderable and requires standard reflow profile IPC/JEDEC J-STD-020.
XMC6521SCQ040XAAXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- XMC1000
- Package/Case:
- 40-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Applications:
- Wireless Power Controller
- Core Processor:
- ARM® Cortex®-M0
- Program Memory Type:
- FLASH
- Controller Series:
- XMCxxxxSC
- RAM Size:
- -
- Interface:
- PWM, UART
- Number of I/O:
- 27
- Voltage - Supply:
- 3.3V ~ 5.5V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-VQFN-40-17
XMC6521SCQ040XAAXUMA1 FAQ
1.How can I place an order for XMC6521SCQ040XAAXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XMC6521SCQ040XAAXUMA1 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 XMC6521SCQ040XAAXUMA1 reliable?
The price and inventory of XMC6521SCQ040XAAXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XMC6521SCQ040XAAXUMA1 is usually 5 days.
3.What payment methods are accepted for XMC6521SCQ040XAAXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XMC6521SCQ040XAAXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XMC6521SCQ040XAAXUMA1?
XMC6521SCQ040XAAXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XMC6521SCQ040XAAXUMA1 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 XMC6521SCQ040XAAXUMA1?
For technical support, including XMC6521SCQ040XAAXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XMC6521SCQ040XAAXUMA1 requirements.
6.How does Aetrix verify that XMC6521SCQ040XAAXUMA1 is sourced from the original manufacturer or authorized distributors?
All XMC6521SCQ040XAAXUMA1 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 XMC6521SCQ040XAAXUMA1 meets industry standards.
7.What is the process for return or replacement of XMC6521SCQ040XAAXUMA1?
All XMC6521SCQ040XAAXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XMC6521SCQ040XAAXUMA1, 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 XMC6521SCQ040XAAXUMA1 part is unused and in its original packaging.
Return procedure for XMC6521SCQ040XAAXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
XMC6521SCQ040XAAXUMA1 Tags
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CYPD3175-24LQXQ
Infineon Technologies
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SLB9672VU20FW1523XTMA1
Infineon Technologies
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SLB9670VQ20FW785XTMA1
Infineon Technologies
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SLB9672XU20FW1523XTMA1
Infineon Technologies
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SLB9673XU20FW2613XTMA1
Infineon Technologies
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CYPD3125-40LQXIT
Infineon Technologies
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AT97SC3204-U2A1A-20
Microchip Technology
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AT97SC3204-U2A1A-10
Microchip Technology
-
SLM9670AQ20FW1311XTMA1
Infineon Technologies
-
SLB9672XU20FW1613XTMA1
Infineon Technologies
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SLB9672AU20FW1613XTMA1
Infineon Technologies
-
SLB9673AU20FW2613XTMA1
Infineon Technologies
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