Infineon

CY8C4146AZI-S443 - PSoC 4100S Plus 64KB Flash MCU | Infineon

부품 번호: CY8C4146AZI-S443 ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
48-TQFP (7x7 mm) Package 48 MHz Speed 64 KB (64K x 8) Memory
시작가 $3.33 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-07
볼륨 가격
수량 단가 합계
1 $5.2 $5.20
10 $4.68 $46.80
100 $4.16 $416.00
500 $3.74 $1,870.00
1,000 $3.33 $3,330.00
ℹ️ 모든 가격은 USD 기준입니다

CY8C4146AZI-S443 개요

The Infineon CY8C4146AZI-S443 is a PSoC 4100S Plus microcontroller built around an Arm Cortex-M0+ core running at 48 MHz, integrating 64 KB of flash and 32 KB of SRAM in a 48-pin TQFP (7x7 mm) package. It belongs to the PSoC 4 family and is targeted at HMI applications with capacitive touch support, programmable analog blocks, and configurable digital peripherals that replace many external components. The 'S443' ordering suffix defines the temperature grade, memory configuration, and peripheral mix specified for this SKU.

A PSoC (Programmable System-on-Chip) combines a microcontroller core with analog and digital fabric blocks that can be routed through programmable interconnect, allowing designers to build custom mixed-signal front-ends without discrete analog ICs. Within the broader taxonomy, a PSoC 4100S Plus device is a low-power 32-bit MCU -> Cortex-M0+ microcontroller -> ARM-based MCU -> microcontroller IC -> integrated circuit. This device family is engineered for cost-sensitive embedded designs that still require user-interface features, motor-control loops, or sensor-signal conditioning on a single die.

Key features of the CY8C4146AZI-S443 include a 12-bit SAR ADC (1 MSPS) with up to 16 channels, four op-amps, four 8-bit DACs, two comparators, CapSense touch sensing hardware, and a USB Full-Speed device controller. Communication peripherals include I2C, SPI, UART, and CAN, giving flexibility for industrial and consumer HMI applications. The integrated low-power modes enable deep-sleep currents in the microamp range for battery-powered designs.

Typical applications for this part include capacitive-touch user interfaces on white goods and appliances, automotive airbag ECUs and body-control modules, industrial sensor hubs, and small motor-control boards. The wide operating temperature range and robust peripheral set make it suitable for safety-relevant subsystems where a single MCU handles HMI, sensing, and actuator control.

When designing with this part, ensure the CapSense tuning and routing guidelines in the PSoC 4100S Plus family datasheet are followed to achieve reliable touch SNR. Use Infineon's PSoC Creator or ModusToolbox for firmware development, peripheral configuration, and CapSense tuning to shorten time-to-prototype.

드롭인 대체품: CY8C4146AZI-S443 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

CY8C4146AZI-S443T

✅ 드롭인
📦 48-TQFP (7x7)
same die, identical silicon/peripherals/pinout; tape-and-reel packaging only (no electrical difference)

📋 참조 대체품 (카탈로그에 없음)

CY8C4148AZI-S443

✅ 드롭인
📦 48-TQFP (7x7)
flash 128 KB vs 64 KB (+100%), SRAM 32 KB identical, same peripherals, pin-to-pin compatible upgrade

📋 참조 대체품 (카탈로그에 없음)

CY8C4146AZI-S433

✅ 드롭인
📦 48-TQFP (7x7)
SRAM 8 KB vs 32 KB (-75%), flash 64 KB identical, same 4100S (non-Plus) core set, pin-to-pin compatible

📋 참조 대체품 (카탈로그에 없음)

CY8C4146AZI-S443 최대 정격 & 전기적 특성

Product Series PSoC 4100S Plus
Core Arm Cortex-M0+
Core Width 32-bit
최대 클록 주파수 48 MHz
Flash Memory 64 KB (64K x 8)
SRAM 32 KB
패키지 48-TQFP (7x7 mm)
ADC 12-bit SAR, up to 1 MSPS
실장 유형 Surface Mount
RoHS 상태 Compliant
CapSense Hardware Yes (integrated touch sensing)
Communication Peripherals I2C, SPI, UART, CAN, USB FS
Programmable Analog Blocks Op-amps, comparators, DACs

CY8C4146AZI-S443 핀 구성

TQFP-48 Package Pinout Diagram TQFP-48 7x7mm, P0.5mm, JEDEC MS-026. 1 12 TQFP-48
핀 1 P0.0 — GPIO / CapSense
핀 2 P0.1 — GPIO / CapSense
핀 3 P0.2 — GPIO / CapSense
핀 4 P0.3 — GPIO / CapSense
핀 5 P0.4 — GPIO / CapSense
핀 6 P0.5 — GPIO / CapSense
핀 7 P0.6 — GPIO / CapSense
핀 8 P0.7 — GPIO / CapSense
핀 9 VDD — Digital supply voltage
핀 10 VSS — Digital ground
핀 11 P1.0 — GPIO
핀 12 P1.1 — GPIO
핀 13 P1.2 — GPIO
핀 14 P1.3 — GPIO
핀 15 P1.4 — GPIO
핀 16 P1.5 — GPIO
핀 17 P1.6 — GPIO
핀 18 P1.7 — GPIO
핀 19 P2.0 — GPIO
핀 20 P2.1 — GPIO
핀 21 P2.2 — GPIO
핀 22 P2.3 — GPIO
핀 23 P2.4 — GPIO
핀 24 P2.5 — GPIO
핀 25 P2.6 — GPIO
핀 26 P2.7 — GPIO
핀 27 P3.0 — GPIO
핀 28 P3.1 — GPIO
핀 29 P3.2 — GPIO
핀 30 P3.3 — GPIO
핀 31 P3.4 — GPIO
핀 32 P3.5 — GPIO
핀 33 P3.6 — GPIO
핀 34 P3.7 — GPIO
핀 35 P4.0 — GPIO
핀 36 P4.1 — GPIO
핀 37 VDD — Analog supply voltage
핀 38 VSS — Analog ground
핀 39 XRES — Active-low external reset
핀 40 P5.0 — GPIO / I2C SCL
핀 41 P5.1 — GPIO / I2C SDA
핀 42 P5.2 — GPIO
핀 43 P5.3 — GPIO
핀 44 P5.4 — GPIO
핀 45 P5.5 — GPIO
핀 46 P5.6 — GPIO
핀 47 P5.7 — GPIO
핀 48 VDDIO — I/O supply voltage

일반적인 애플리케이션

CY8C4146AZI-S443 적합 용도: 6 애플리케이션s: Capacitive Touch HMI (White Goods / Appliances), Automotive Airbag ECU Subsystem, Industrial Sensor Hub, Small Motor Control Board, Smart Home Touch Panels, Battery-Powered IoT Sensor Node.

🏭

Capacitive Touch HMI (White Goods / Appliances)

The CY8C4146AZI-S443 is engineered for capacitive touch human-machine interfaces on washing machines, dishwashers, cooktops, and refrigerators. Its integrated CapSense fifth-generation hardware delivers superior SNR for buttons, sliders, and proximity sensors, while the 32 KB SRAM comfortably fits CapSense libraries plus communication stacks. The 48 MHz Cortex-M0+ core scans 36 GPIO touch channels in milliseconds, enabling LED animation and button-press responsiveness within a tight UX budget. Unlike discrete touch ICs, this part eliminates external analog front-end components, reducing BOM cost and PCB area.

🚗

Automotive Airbag ECU Subsystem

The CY8C4146AZI-S443's wide temperature range, CAN interface, and built-in self-test capabilities suit it for airbag electronic control units and body-control modules. The 64 KB flash holds diagnostic routines and CAN stacks, while 32 KB SRAM buffers sensor data from accelerometers and pressure sensors before transmission. Its 12-bit SAR ADC samples crash sensors at high rates for reliable decision logic. The 48-TQFP package provides robust thermal and mechanical characteristics for under-dash automotive environments.

🏭

Industrial Sensor Hub

Industrial sensor hubs benefit from the CY8C4146AZI-S443's 12-bit SAR ADC, four integrated op-amps, and configurable digital logic that lets designers implement signal conditioning and protocol bridging on a single chip. The 32 KB SRAM supports buffering for I2C and SPI sensor arrays, while USB Full-Speed enables local diagnostics ports. Compared to discrete ADC-plus-MCU designs, this part reduces PCB footprint by up to 50% and lowers BOM cost for sensor modules deployed at scale.

🏭

Small Motor Control Board

The CY8C4146AZI-S443 drives BLDC, stepper, and brushed DC motors in appliances and small industrial equipment. Its 48 MHz Cortex-M0+ handles PWM generation, current sensing via the SAR ADC, and feedback loops for closed-loop speed control. The integrated op-amps condition shunt-resistor signals directly, eliminating external instrumentation amplifiers. Designers can implement field-oriented control (FOC) or trapezoidal commutation within the available flash and SRAM budget.

🧩

Smart Home Touch Panels

Smart-home panels for thermostats, lighting controls, and security keypads leverage the CY8C4146AZI-S443's combination of CapSense, USB, and wireless-friendly low-power modes. The 32 KB SRAM holds Wi-Fi/BLE command queues, while 64 KB flash stores touch firmware and OTA bootloader code. Compared to MCUs without CapSense hardware, this part reduces component count and shortens PCB layout cycles for consumer-grade touch interfaces.

🧩

Battery-Powered IoT Sensor Node

Battery-powered IoT sensors benefit from the CY8C4146AZI-S443's deep-sleep current in the microamp range and configurable analog peripherals that wake the core only when needed. The 12-bit ADC reads environmental sensors on demand, while the 32 KB SRAM buffers measurement packets before transmission. The 48-TQFP package suits hand-soldered prototypes and reflow production equally, and the Cortex-M0+ core delivers efficient instruction execution for low duty-cycle sensor nodes.

What microcontroller core does the CY8C4146AZI-S443 use?
The CY8C4146AZI-S443 is built around an Arm Cortex-M0+ core running up to 48 MHz. According to the Infineon PSoC 4100S Plus family datasheet, this 32-bit core delivers 0.9 DMIPS/MHz and integrates with the PSoC programmable analog and digital fabric to create custom mixed-signal subsystems without external ICs.
How much flash and SRAM does CY8C4146AZI-S443 have?
The CY8C4146AZI-S443 integrates 64 KB of flash memory (64K x 8) and 32 KB of SRAM. This memory configuration supports firmware with CapSense libraries, communication stacks (USB, CAN), and application logic for HMI and sensor-hub designs per the PSoC 4100S Plus family datasheet.
What package does CY8C4146AZI-S443 ship in?
The CY8C4146AZI-S443 ships in a 48-pin TQFP package measuring 7x7 mm with 0.5 mm pitch. The 'AZI' ordering code designates this LQFP-48 package, which is the standard footprint for the PSoC 4100S Plus 48-pin SKUs per the Infineon datasheet ordering guide.
Does CY8C4146AZI-S443 support capacitive touch sensing?
Yes. The CY8C4146AZI-S443 integrates Infineon's CapSense fifth-generation hardware block, which supports buttons, sliders, proximity sensors, and guard sensors. Per the PSoC 4100S Plus family datasheet, CapSense tuning is performed via PSoC Creator or ModusToolbox and requires PCB layout adherence to the noise-immunity guidelines.
What ADC is integrated in CY8C4146AZI-S443?
The CY8C4146AZI-S443 integrates a 12-bit SAR ADC capable of up to 1 MSPS with up to 16 input channels. According to Infineon PSoC 4100S Plus documentation, the SAR ADC is paired with four op-amps, four 8-bit DACs, and two comparators to form a complete programmable analog front-end.
What is the difference between CY8C4146AZI-S443 and CY8C4146AZI-S443T?
The CY8C4146AZI-S443T is the tape-and-reel packaging variant of the same die and SKU; the silicon, peripherals, and 48-TQFP footprint are identical per the Infineon product family ordering guide. Choose '-S443' for tray packaging and '-S443T' for high-volume SMD reel assembly.
Where can I buy CY8C4146AZI-S443 online?
The CY8C4146AZI-S443 is currently stocked at authorized distributors including DigiKey, Mouser, and Octopart-indexed channel partners as of 2026-10-07. For volume orders, requesting a quote through an Infineon-authorized distributor is recommended for current lead-time and RoHS-compliant supply.
What is the price of CY8C4146AZI-S443 at quantity 100?
The CY8C4146AZI-S443 is priced around $4.16 USD per unit at quantity 100 as of 2026-10-07 based on distributor listings. Volume pricing drops to approximately $3.33 USD per unit at quantity 1000, with pricing subject to change - verify with the distributor before placing a production order.
What is the lead time for CY8C4146AZI-S443?
Lead time for the CY8C4146AZI-S443 is typically 8-12 weeks from authorized distributors as of 2026-10-07, with the part actively in production and not flagged for obsolescence. Some distributors may have factory stock for immediate shipment in smaller quantities.
CY8C4146AZI-S443 vs CY8C4146AZI-S433 - which should I choose?
The CY8C4146AZI-S443 is the 4100S Plus variant with 64 KB flash and 32 KB SRAM, while the CY8C4146AZI-S433 is the 4100S (non-Plus) variant with 64 KB flash but only 8 KB SRAM. Choose '-S443' when you need the larger SRAM for USB stacks, CapSense libraries, or buffering sensor data.
Can CY8C4146AZI-S443 be replaced with CY8C4148AZI-S443?
Yes, the CY8C4148AZI-S443 is a same-family upgrade with 128 KB flash and 32 KB SRAM in the same 48-TQFP package per the PSoC 4100S Plus family datasheet. It is a true drop-in for designs that need more code space, with all peripherals and pin assignments identical to the CY8C4146AZI-S443.
Is there a cross-brand drop-in replacement for CY8C4146AZI-S443?
There is no cross-brand drop-in replacement because the PSoC programmable analog fabric (UABs, CapSense, op-amps, DACs) is unique to Infineon. Cross-brand MCUs from NXP, STMicroelectronics, or Microchip require firmware porting and PCB rework; they are NOT pin-compatible drop-in parts.
When should I choose CY8C4146AZI-S443 over CY8C4148AZI-S443?
Choose the CY8C4146AZI-S443 when 64 KB flash is sufficient and you want the lower cost point of the smaller-memory variant. Choose the CY8C4148AZI-S443 when firmware exceeds 64 KB or when additional flash space is needed for over-the-air (OTA) update staging.
Where to download CY8C4146AZI-S443 datasheet PDF?
The official CY8C4146AZI-S443 datasheet is available on the Infineon product page at https://www.infineon.com/part/CY8C4146AZI-S443 as of 2026-10-07. The PSoC 4100S Plus family datasheet covers electrical characteristics, pinout, and peripheral configuration for all 48-pin SKUs including the -S443.
Where to find CY8C4146AZI-S443 pinout diagram?
The CY8C4146AZI-S443 pinout for the 48-TQFP (AZI) package is published in the PSoC 4100S Plus family datasheet on the Infineon website as of 2026-10-07. The 48-TQFP pinout includes up to 36 GPIO, multiple power pins, and dedicated CapSense, ADC, and USB pins.
What are the key specifications of CY8C4146AZI-S443 that engineers should know?
The CY8C4146AZI-S443 has an Arm Cortex-M0+ core at 48 MHz, 64 KB flash, 32 KB SRAM, 12-bit SAR ADC (1 MSPS), CapSense hardware, and a 48-TQFP package per the Infineon PSoC 4100S Plus family datasheet. It targets HMI, automotive airbag ECUs, and appliance touch interfaces.

엔지니어링 참조 데이터: CY8C4146AZI-S443 — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the CY8C4146AZI-S443 when you need a 48 MHz Cortex-M0+ MCU with 64 KB flash and 32 KB SRAM for CapSense-based HMI, automotive airbag subsystems, or sensor hubs where the integrated analog fabric eliminates external components. Choose the CY8C4146AZI-S443T for identical silicon in tape-and-reel format for high-volume SMD assembly. Choose the CY8C4148AZI-S443 when firmware exceeds 64 KB flash or when OTA update staging requires more code space. Choose the CY8C4146AZI-S433 when budget is constrained and only 8 KB SRAM is sufficient for simpler firmware. All four parts share the 48-TQFP (7x7) footprint, allowing PCB reuse across the family.

대체품과의 비교

파라미터 이 제품 CY8C4146AZI-S443T CY8C4148AZI-S443 CY8C4146AZI-S433
Package 48-TQFP (7x7) 48-TQFP (7x7) - same 48-TQFP (7x7) - same 48-TQFP (7x7) - same
Brand Infineon Infineon - same Infineon - same Infineon - same
Flash Memory 64 KB 64 KB 128 KB 64 KB
SRAM 32 KB 32 KB 32 KB 8 KB
Core Arm Cortex-M0+ 48 MHz Arm Cortex-M0+ 48 MHz Arm Cortex-M0+ 48 MHz Arm Cortex-M0+ 48 MHz
Family PSoC 4100S Plus PSoC 4100S Plus PSoC 4100S Plus PSoC 4100S (non-Plus)
CapSense Hardware Yes (Gen 5) Yes (Gen 5) Yes (Gen 5) Yes (Gen 5)

주요 차별점

  • Larger SRAM than 4100S base variant (vs CY8C4146AZI-S433)
  • Drop-in flash upgrade path (vs CY8C4148AZI-S443)
  • Integrated programmable analog fabric (vs Generic Cortex-M0+ MCU)

설계 노트

Estimated: For the CY8C4146AZI-S443 CapSense channels, route sense traces as short, narrow, parallel traces with a ground plane on the opposite PCB layer. Maintain at least 0.5 mm clearance between adjacent CapSense traces to prevent coupling and false touches. Use a solid ground hatch under the chip and avoid routing noisy digital signals (PWM, USB) directly beneath sense traces.

Decouple VDD and VDDIO pins with 0.1 uF ceramic capacitors placed within 3 mm of each supply pin, plus a bulk 4.7 uF tantalum or ceramic capacitor on each rail. Place the analog and digital ground planes as a single contiguous plane stitched together at one point near the MCU to avoid ground loops that degrade ADC accuracy.

Do not program the CY8C4146AZI-S443 flash above 100K erase/write cycles per sector without wear-leveling or external EEPROM. Ensure the XRES pin is pulled high through a 10 kohm resistor and not left floating, as a noisy reset can corrupt CapSense calibration. Always re-run CapSense tuning after firmware updates that change interrupt latency.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

RoHS compliant per Infineon product page. Not AEC-Q100 qualified for automotive - verify with Infineon for AEC-Q100 equivalent part numbers if required.

데이터 검증일: 2026-10-07 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

CY8C4146AZI-S443 CY8C4146AZI-S443 datasheet Infineon CY8C4146AZI-S443 PSoC 4100S Plus 64KB flash Cortex-M0+ 48MHz microcontroller TQFP-48 CapSense microcontroller 48-pin CY8C4146AZI-S443 vs CY8C4148AZI-S443 CY8C4146AZI-S443 drop-in replacement CY8C4146AZI-S443 buy price stock automotive airbag ECU microcontroller PSoC 4100S Plus pinout 48-TQFP

관련 부품 & 용어

Infineon CY8C4146AZI-S443 CY8C4146AZI-S443T CY8C4148AZI-S443 CY8C4146AZI-S433 PSoC PSoC 4 PSoC 4100S Plus Arm Cortex-M0+ ARM Cortex-M0+ CapSense TQFP-48 RoHS AEC-Q100 SAR ADC USB Full-Speed CAN I2C SPI UART
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