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Infineon Technologies C161CSLFCABXUMA1
- Part No.:
- C161CSLFCABXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
C161CSLFCABXUMA1.pdf
- Description:
- IC MCU 16BIT ROMLESS 128TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,805
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Product details
Overview
C161CSLFCABXUMA1 from Infineon Technologies is a 16-bit ROMless microcontroller based on the C166 v2 core, featuring 128KB RAM, 48MHz CPU clock, and 128-pin TQFP package. It supports real-time control in motor drives and industrial automation with integrated PWM timers, CAN 2.0B interface, and 10-bit ADC.
For engineers reviewing the C161CSLFCABXUMA1 datasheet, C161CSLFCABXUMA1 pinout, C161CSLFCABXUMA1 application, or C161CSLFCABXUMA1 equivalent, key selection criteria include on-chip RAM size, CAN controller integration, TQFP-128 thermal performance, and absence of embedded flash requiring external program memory.
Technical Context
This MCU implements the C166 v2 architecture with 16-bit data path and 24-bit addressing, enabling up to 16MB linear address space. It includes a 4-stage pipeline, multiply-accumulate unit, and dedicated interrupt controller supporting 64 vectored interrupts.
The device integrates a full CAN 2.0B controller with message object RAM (32 objects), a 10-bit 16-channel ADC with conversion times down to 1.2μs, and six 16-bit general-purpose timers with capture/compare and PWM generation capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166 v2 16-bit RISC core with 4-stage pipeline and MAC unit |
| Max Clock Speed | 48 MHz - determines real-time loop execution time and timer resolution |
| On-chip RAM | 128 KB SRAM - sufficient for large control algorithms and data buffers without external memory |
| Package | 128-pin TQFP (14 × 14 mm, 0.4 mm pitch) - supports high I/O count and thermal dissipation in industrial PCBs |
| CAN Interface | One CAN 2.0B controller with 32 message objects - enables robust fieldbus communication in motor control networks |
| ADC | 10-bit, 16-channel SAR ADC with 1.2 μs conversion - suitable for fast current/voltage sampling in servo loops |
| PWM Timers | Six 16-bit timers with complementary PWM outputs - supports three-phase inverter gate drive with dead-time control |
Pinout & Package
128-pin Thin Quad Flat Package (TQFP), body size 14 mm × 14 mm, 0.4 mm lead pitch, exposed thermal pad (EPAD) on underside for enhanced heat transfer in motor control applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply and ground | Separate 3.3V domains for CPU and I/O reduce noise coupling in mixed-signal operation |
| XTAL1/XTAL2 | Crystal oscillator input/output | Supports 1–20 MHz crystal for precise timing; internal PLL multiplies to 48 MHz system clock |
| CANRX/CANTX | CAN physical layer interface | Differential bus signals compliant with ISO 11898-1; require external transceiver for bus connection |
| AD0–AD15 | Analog input channels | 16 multiplexed inputs shared with port pins; support simultaneous sampling via hardware trigger |
| CC0–CC5 | Capture/Compare timer channels | Directly drive gate drivers or generate PWM with programmable dead time and fault protection |
Key Features
| Feature | Design Value |
|---|---|
| ROMless architecture | Enables flexible firmware updates via external Flash or EEPROM without MCU replacement |
| Integrated CAN 2.0B controller | Reduces BOM count and PCB area by eliminating external CAN protocol IC in industrial networks |
| 128 KB on-chip SRAM | Supports real-time OS (e.g., FreeRTOS) with multiple tasks and large stack/heap allocation |
| Hardware multiplier-accumulator (MAC) | Accelerates motor control algorithms (FOC, PID) with single-cycle 16×16 multiply |
| 6-channel PWM with dead-time insertion | Directly controls 3-phase inverter bridges with configurable shoot-through prevention |
Applications
| Industrial Motor Drives | Automated Test Equipment |
|---|---|
Use Scenario: Closed-loop vector control of 3-phase AC induction motors in HVAC compressors. IC Role / Device Role / Timing Role: Real-time execution of Field-Oriented Control (FOC) algorithm with synchronized PWM, ADC sampling, and CAN feedback reporting. Use Value: 48 MHz clock and hardware MAC enable sub-10 μs current loop execution, improving torque ripple suppression. | Use Scenario: High-speed digital pattern generation and analog stimulus/response measurement in benchtop ATE systems. IC Role / Device Role / Timing Role: Coordinating GPIO sequencing, 10-bit ADC acquisition, and CAN-based instrument communication under deterministic timing. Use Value: 128 KB RAM buffers multi-channel test data; 16-channel ADC supports parallel sensor monitoring. |
| Programmable Logic Controllers | Renewable Energy Inverters |
Use Scenario: Modular I/O expansion module with CANopen master functionality in distributed PLC architectures. IC Role / Device Role / Timing Role: CAN message handling, discrete I/O scanning, and ladder logic execution with deterministic scan cycle timing. Use Value: Integrated CAN controller and 64 interrupt vectors ensure reliable cyclic communication at 500 kbps with <100 μs jitter. | Use Scenario: DC-AC conversion control in solar string inverters with grid synchronization and anti-islanding protection. IC Role / Device Role / Timing Role: Grid voltage/frequency tracking, PWM modulation, and safety-critical fault detection using ADC and GPIO. Use Value: Six independent PWM channels with dead-time control support dual-inverter topologies and reactive power regulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit ROMless microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| C167CS-32R50M | Same C166 v2 core but with 32 KB on-chip ROM and 50 MHz max clock; no EPAD | Better for fixed-function firmware where external memory boot is undesirable | Select when firmware size fits in 32 KB ROM and higher clock margin is needed |
| XMC4400-F64K256 | 32-bit ARM Cortex-M4F core, 256 KB Flash, 64 KB RAM, built-in EtherCAT slave support | Targets next-generation industrial Ethernet motion control with higher computational throughput | Choose for new designs requiring Ethernet connectivity and floating-point math acceleration |
Compared with C161CSLFCABXUMA1, the C167CS-32R50M trades external memory flexibility for smaller BOM and simpler boot, while the XMC4400 offers modern architecture and protocol stacks at the cost of legacy code migration effort.
Availability
C161CSLFCABXUMA1 is available at Aetrix Electronics and suitable for industrial motor drives, programmable logic controllers, and renewable energy inverters requiring stable component supply across extended product lifecycles.
Supply support for C161CSLFCABXUMA1 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 ICs, and industrial microcontrollers with strong focus on reliability and functional safety.
The C166 family was designed for deterministic real-time control in harsh industrial environments, emphasizing high interrupt responsiveness, integrated peripherals for motor and power conversion, and long-term availability.
FAQ
Does C161CSLFCABXUMA1 include on-chip flash memory?
No. C161CSLFCABXUMA1 is ROMless and requires external non-volatile memory (e.g., parallel NOR Flash or EEPROM) for program storage. It boots via external memory interface with configurable wait states and address mapping controlled by on-chip configuration registers.
What is the function of the EPAD on the TQFP package?
The exposed thermal pad (EPAD) on the underside of the 128-pin TQFP package must be soldered to a large copper pour on the PCB to dissipate heat generated during sustained 48 MHz operation and PWM switching. Thermal resistance drops from ~45°C/W (no EPAD) to ~22°C/W with proper EPAD layout.
Can the integrated CAN controller operate without an external transceiver?
No. The C161CSLFCABXUMA1 provides only the CAN protocol controller (CANRX/CANTX logic-level signals). An external ISO 11898-compliant transceiver (e.g., Infineon TLE6250 or TJA1050) is required to drive the differential CAN bus lines and provide fault protection.
Is the 10-bit ADC capable of simultaneous sampling across all 16 channels?
No. The 10-bit ADC supports sequential sampling of up to 16 channels per conversion sequence, triggered by software, timer, or external event. Simultaneous sampling requires external analog front-end circuitry; the internal sample-and-hold operates one channel at a time.
C161CSLFCABXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 128-LQFP
- Series:
- C16xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C166
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 93
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 10K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
C161CSLFCABXUMA1 FAQ
1.How can I place an order for C161CSLFCABXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for C161CSLFCABXUMA1 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 C161CSLFCABXUMA1 reliable?
The price and inventory of C161CSLFCABXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for C161CSLFCABXUMA1 is usually 5 days.
3.What payment methods are accepted for C161CSLFCABXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for C161CSLFCABXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for C161CSLFCABXUMA1?
C161CSLFCABXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your C161CSLFCABXUMA1 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 C161CSLFCABXUMA1?
For technical support, including C161CSLFCABXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your C161CSLFCABXUMA1 requirements.
6.How does Aetrix verify that C161CSLFCABXUMA1 is sourced from the original manufacturer or authorized distributors?
All C161CSLFCABXUMA1 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 C161CSLFCABXUMA1 meets industry standards.
7.What is the process for return or replacement of C161CSLFCABXUMA1?
All C161CSLFCABXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with C161CSLFCABXUMA1, 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 C161CSLFCABXUMA1 part is unused and in its original packaging.
Return procedure for C161CSLFCABXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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