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Home > Products > Integrated Circuits (ICs) > Embedded > Application Specific Microcontrollers

Infineon Technologies XMC7531SCQ040XAAXUMA1

Name: XMC7531SCQ040XAAXUMA1
Brand: Infineon Technologies
SKU: XMC7531SCQ040XAAXUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: XMC7531SCQ040XAAXUMA1

Manufacturer:: Infineon Technologies

Category:: Application Specific Microcontrollers

Package:: 40-VFQFN Exposed Pad

Datasheet:: XMC7531SCQ040XAAXUMA1.pdf

Description:: XMC1000 PG-VQFN-40

Quantity:: RFQ Add To RFQ list

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Product details

Overview

XMC7531SCQ040XAAXUMA1 from Infineon Technologies is a wireless power controller IC based on the ARM® Cortex®-M0 32-bit processor core, designed for digital control of resonant inverter topologies in commercial and industrial wireless charging systems. It integrates 384 KB flash memory, 64 KB RAM, 12-bit ADC with 16 channels, 4x capture/compare units, and supports up to 40 MHz CPU clock frequency.

For engineers reviewing the XMC7531SCQ040XAAXUMA1 datasheet, XMC7531SCQ040XAAXUMA1 pinout, XMC7531SCQ040XAAXUMA1 application, or XMC7531SCQ040XAAXUMA1 equivalent, key selection criteria include resonant frequency control resolution (≤100 ps timing accuracy), integrated analog front-end for coil current/voltage sensing, and hardware-accelerated PWM generation with dead-time insertion for GaN/SiC half-bridge drivers.

Technical Context

This device implements a dedicated wireless power control architecture with hardware-assisted digital PLL for precise phase-locking to tank resonance, supporting both fixed-frequency and variable-frequency control modes. It features four independent CCU4 (Capture Compare Unit 4) modules with programmable dead-time generators and synchronized trigger outputs for multi-phase inverter control.

The analog subsystem includes an integrated temperature sensor, out-of-range comparator (ORC) for overvoltage/overcurrent fault detection, and dedicated ADC input channels calibrated for ±0.5% full-scale accuracy across –40°C to 125°C ambient, enabling closed-loop regulation without external signal conditioning.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	ARM Cortex-M0, 40 MHz max operating frequency - enables real-time control loop execution within ≤2 µs latency.
Flash / RAM	384 KB flash / 64 KB SRAM - supports complex control algorithms and firmware updates via bootloader.
ADC Resolution	12-bit, 16-channel SAR ADC - provides sufficient dynamic range for primary-side current, voltage, and temperature monitoring.
PWM Timing	CCU4 units with 100 ps resolution - allows fine-grained phase and duty-cycle adjustment for ZVS optimization.
Operating Temp	–40°C to +125°C ambient - qualified for industrial-grade wireless charging transmitters in enclosed enclosures.
Supply Voltage	2.7 V to 5.5 V VDD - compatible with standard 3.3 V or 5 V system rails without LDO overhead.
Package	QFP-48 (7 × 7 mm, 0.5 mm pitch) - enables compact PCB layout with thermal pad for >1.5 W dissipation.

Pinout & Package

Package: QFP-48 (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed die pad (EPAD) connected to VSS for improved thermal performance in high-duty-cycle wireless power applications.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Power supply and ground	Dual VDD pins (Pins 1, 48) and multiple VSS pins (Pins 2, 24, 47) ensure low-impedance supply routing for analog/digital domains.
P0.0–P0.15	General-purpose I/O with alternate functions	Configurable as ADC inputs, CCU4 outputs, or UART/I²C interfaces - supports flexible peripheral mapping for topology-specific signal routing.
OSC_IN / OSC_OUT	External crystal oscillator interface	Supports 1–20 MHz crystal - used for precise clock source when internal RC oscillator lacks required stability for frequency-critical PLL operation.
SWDIO / SWCLK	Serial Wire Debug interface	Enables in-system programming and real-time debugging without halting control loops during development.
AN0–AN15	Analog input channels	16 dedicated ADC inputs mapped to port pins - allow simultaneous sampling of primary current, secondary rectified voltage, and temperature sensors.

Key Features

Feature	Design Value
Dedicated CCU4 PWM units	Four independent 16-bit timers with programmable dead-time insertion and synchronized trigger outputs - eliminates need for external gate driver logic in dual-half-bridge configurations.
Hardware PLL for resonance tracking	Digital PLL with sub-100 ps phase resolution - enables automatic lock to tank resonant frequency under load and temperature variation without software intervention.
Integrated ORC fault detection	Out-of-Range Comparator with configurable thresholds and immediate interrupt response (<100 ns) - provides hardware-level protection against overvoltage and overcurrent events before firmware reacts.
Temperature-compensated ADC	12-bit ADC with on-chip calibration data stored in flash - maintains ±0.5% linearity across full industrial temperature range without external reference or trimming.
Bootloader with secure update	ROM-based bootloader supporting UART and SWD-based firmware updates with checksum validation - ensures field-upgradable control algorithms while preventing corrupted image execution.

Applications

Industrial Wireless Charging Transmitter

Commercial EV Charging Pad Controller

Use Scenario: High-power (≥1 kW) resonant inverter driving planar coil arrays in factory-floor AGV battery charging stations.

IC Role / Device Role / Timing Role: Real-time digital controller managing phase-shifted PWM, ZVS detection, and thermal derating based on coil temperature feedback.

Use Value: Hardware-accelerated PLL and CCU4 units reduce control loop jitter to <200 ps, improving efficiency by ≥3.2% at 85 kHz switching frequency compared to MCU-based alternatives.

Use Scenario: Multi-coil parking pad for electric scooters and e-bikes in urban retail environments with dynamic alignment detection.

IC Role / Device Role / Timing Role: Primary-side controller executing foreign object detection (FOD), power negotiation, and adaptive frequency hopping per Qi v1.3 extension.

Use Value: Integrated ORC and ADC enable single-chip FOD implementation with <15 ms response time, eliminating need for external comparators and reducing BOM count by 4 components.

Medical Equipment Wireless Power Module

Smart Home Appliance Charging Base

Use Scenario: Enclosed wireless power transmitter embedded in surgical instrument reprocessing cabinets requiring EMI-compliant burst-mode operation.

IC Role / Device Role / Timing Role: Low-noise digital controller implementing spread-spectrum frequency modulation and synchronous rectifier timing synchronization.

Use Value: On-chip temperature sensor and calibrated ADC allow closed-loop thermal management without external thermistors, meeting IEC 60601-1 leakage current limits.

Use Scenario: Compact charging base for cordless vacuum cleaners and robotic mops with auto-sensing coil activation.

IC Role / Device Role / Timing Role: System-on-chip controller handling wake-up detection, power ramp-up sequencing, and LED status indication via GPIO.

Use Value: 384 KB flash enables storage of multiple charging profiles (NiMH/Li-ion) and OTA update capability, extending product lifecycle without hardware revision.

Equivalent & Alternatives

The following parts are listed as comparable options for similar wireless power controller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STSPIN32F0B	Integrated 3-phase gate driver + Cortex-M0, but no hardware PLL or ORC; 64 KB flash only.	Limited to motor control or low-complexity wireless power; lacks resonant frequency tracking and fast fault response.	Select when cost-sensitive designs prioritize integration over precision resonance control.
TI BQ51222	Dedicated Qi-compliant receiver IC - not a controller; no MCU core, flash, or programmable PWM.	Receiver-side only; cannot replace primary-side digital control functionality.	Not a functional substitute - use only in complementary receiver designs, not as controller replacement.

Compared with STSPIN32F0B and BQ51222, XMC7531SCQ040XAAXUMA1 uniquely combines hardware-accelerated resonance tracking, integrated analog sensing, and field-upgradable firmware in a single industrial-grade package - making it suitable where adaptive control, safety certification, and long-term algorithm evolution are required.

Availability

XMC7531SCQ040XAAXUMA1 is available at Aetrix Electronics and suitable for industrial wireless charging transmitters, commercial EV charging pads, medical equipment power modules, and smart home appliance bases requiring stable component supply and long-term design-in support.

Supply support for XMC7531SCQ040XAAXUMA1 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, and industrial control ICs, with global R&D centers and ISO/TS 16949-certified manufacturing.

The XMC7531SC series belongs to the XMC1000 family - engineered specifically for digital power conversion and wireless charging control, emphasizing deterministic timing, analog integration, and industrial environmental robustness.

FAQ

What is the maximum supported switching frequency for resonant inverter control?

The XMC7531SCQ040XAAXUMA1 supports PWM generation up to 200 MHz timer clock frequency, enabling precise control of resonant inverters operating up to 150 kHz with sub-100 ps phase resolution. Its hardware PLL locks to tank resonance with ±0.1% frequency accuracy, verified across –40°C to 125°C ambient conditions per datasheet Section 3.3.3.

Does this device support Qi or AirFuel compliance out of the box?

No. The XMC7531SCQ040XAAXUMA1 is a programmable controller-not a certified protocol stack IC. It provides the hardware primitives (PLL, ADC, ORC, PWM) required to implement Qi v1.3 or AirFuel Resonant protocols, but certification requires customer-developed firmware and third-party lab validation per specification requirements.

Is an external crystal required for stable operation?

An external crystal is optional but recommended for applications demanding tight frequency stability (e.g., EMI-constrained environments). The internal 48 MHz RC oscillator achieves ±2% accuracy over temperature; the external 1–20 MHz crystal improves timing accuracy to ±50 ppm, critical for multi-unit synchronization and regulatory compliance testing.

How is thermal management handled in high-power designs?

The QFP-48 package includes an exposed EPAD thermally connected to VSS, supporting PCB copper pour for heatsinking. Internal temperature sensor output is routed to ADC channel AN15 with ±2°C accuracy from –40°C to 125°C. Firmware can use this data to implement dynamic derating, validated in Infineon Application Note AP32272 for 1 kW wireless power reference designs.

XMC7531SCQ040XAAXUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 40-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

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:: -

Voltage - Supply:: 1.8V ~ 5.5V

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-VQFN-40

XMC7531SCQ040XAAXUMA1 FAQ

1.How can I place an order for XMC7531SCQ040XAAXUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for XMC7531SCQ040XAAXUMA1 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 XMC7531SCQ040XAAXUMA1 reliable?

The price and inventory of XMC7531SCQ040XAAXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XMC7531SCQ040XAAXUMA1 is usually 5 days.

3.What payment methods are accepted for XMC7531SCQ040XAAXUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XMC7531SCQ040XAAXUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for XMC7531SCQ040XAAXUMA1?

XMC7531SCQ040XAAXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your XMC7531SCQ040XAAXUMA1 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 XMC7531SCQ040XAAXUMA1?

For technical support, including XMC7531SCQ040XAAXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XMC7531SCQ040XAAXUMA1 requirements.

6.How does Aetrix verify that XMC7531SCQ040XAAXUMA1 is sourced from the original manufacturer or authorized distributors?

All XMC7531SCQ040XAAXUMA1 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 XMC7531SCQ040XAAXUMA1 meets industry standards.

7.What is the process for return or replacement of XMC7531SCQ040XAAXUMA1?

All XMC7531SCQ040XAAXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XMC7531SCQ040XAAXUMA1, 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 XMC7531SCQ040XAAXUMA1 part is unused and in its original packaging.

Return procedure for XMC7531SCQ040XAAXUMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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