Infineon Technologies CY8C4149AZI-S593

Overview

CY8C4149AZI-S593 from Infineon is a 32-bit PSoC™ 4100S Max microcontroller based on the Arm® Cortex®-M0+ CPU, operating at up to 48 MHz. It integrates 384 KB flash, 32 KB SRAM, dual opamps with Deep Sleep operation, 12-bit 1-Msps SAR ADC with temperature sensor, and two multi-sensing capacitive converters (MSC) for high-SNR (>5:1) touch sensing in liquid-tolerant human interface applications.

For engineers reviewing the CY8C4149AZI-S593 datasheet, CY8C4149AZI-S593 pinout, CY8C4149AZI-S593 application, or CY8C4149AZI-S593 equivalent, key selection considerations include CAN FD support, autonomous MSC scanning without CPU intervention, Smart I/O logic for port-level Boolean operations, and Deep Sleep current of 3.7 µA with active analog blocks.

Technical Context

The device implements a reconfigurable mixed-signal architecture where analog blocks (opamps, comparators, SAR ADC, MSC) and digital blocks (TCPWM, SCB, Smart I/O) are programmable via hardware configuration registers and routed through a flexible interconnect matrix. The Arm® Cortex®-M0+ core executes firmware while offloading real-time sensing and signal conditioning to autonomous peripherals.

Clock management includes a 4–33 MHz ECO with integrated PLL for 48-MHz system clock, plus dedicated 32-kHz WCO and low-power ILO/IMO oscillators enabling precise timing for capacitive sensing, RTC, and low-power wake-up events - all configurable per power mode.

Key Specifications

Pinout & Package

Package: 100-pin TQFP (0.5-mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.

Compared with CY8C4149LQI-S593 and CY8C4249AZI-S593, the CY8C4149AZI-S593 offers optimal balance of I/O count (84 GPIOs), 100-pin TQFP manufacturability, and cost for mid-tier industrial and appliance designs - without over-provisioning memory or sacrificing liquid-tolerant touch performance.

Availability

CY8C4149AZI-S593 is available at Aetrix Electronics and suitable for home appliance control panels, industrial HMIs, medical patient monitor interfaces, and automotive cabin controllers requiring stable component supply, long-term lifecycle support, and qualified production lots.

Supply support for CY8C4149AZI-S593 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 embedded security solutions, with global R&D centers and ISO/TS 16949-certified wafer fabs.

The PSoC™ 4100S Max product line targets cost-sensitive, high-reliability embedded systems requiring integrated analog sensing, low-power operation, and programmable digital logic - especially in human interface, industrial control, and smart appliance markets.

FAQ

Does CY8C4149AZI-S593 support CAN FD without external transceivers?

No. The part integrates a CAN FD controller (protocol layer), but requires an external CAN FD transceiver (e.g., Infineon TLE9251VS) for physical layer signaling. The CAN_TX/CAN_RX pins are CMOS-level differential outputs/inputs compliant with ISO 11898-1 logical interface requirements.

What is the maximum operating temperature for CY8C4149AZI-S593 in industrial applications?

The CY8C4149AZI-S593 is rated for industrial temperature range: –40 °C to +85 °C ambient. This is validated per JEDEC JESD22-A104 and confirmed in the device's "Device-level specifications" section (Table 5-2, Rev. *F), with full functionality including MSC, opamps, and CAN FD maintained across this range.

Can the SAR ADC perform simultaneous sampling on multiple channels?

No. The 12-bit SAR ADC has a single conversion core and uses a hardware channel sequencer to cycle through up to 32 inputs. While it supports burst mode with averaging and configurable sample timing, true simultaneous sampling across multiple channels is not supported - unlike delta-sigma or dual-SAR architectures.

Is SmartSense auto-tuning enabled by default after device reset?

Yes. SmartSense auto-tuning is activated automatically during CAPSENSE™ initialization when using Infineon's standard CAPSENSE™ Component v8.x in ModusToolbox™. It runs background baseline calibration and sensitivity adjustment without host CPU intervention, provided the MSC hardware blocks are configured per recommended design guidelines in AN92239.