CY8C4246AZI-M475 - 48MHz Cortex-M0 PSoC 4200M MCU | Infineon
料号： CY8C4246AZI-M475 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.3 | $6.30 |
| 10 | $5.67 | $56.70 |
| 100 | $5.04 | $504.00 |
| 500 | $4.54 | $2,270.00 |
| 1,000 | $4.03 | $4,030.00 |
CY8C4246AZI-M475 概述
A PSoC (Programmable System-on-Chip) is a category of mixed-signal microcontrollers that pairs a conventional MCU core with universal analog blocks (op-amps, ADCs, DACs, comparators) and universal digital blocks (UDBs - PLD-style state machines and timers) connected by a programmable interconnect fabric. PSoC 4 sits in the hierarchy Cortex-M0 MCU -> programmable SoC -> mixed-signal microcontroller -> embedded controller, and is distinct from a Cortex-M0 MCU in that several analog and digital peripherals are realized in software-configurable routing on the die rather than as hardwired IP. This fabric lets one silicon part serve multiple motor-control, sensor-interface, and HMI topologies without external analog components.
Key features of the CY8C4246AZI-M475 include 64 kB flash, 8 kB SRAM, a 1.71 V to 5.5 V supply range that supports both 3.3 V and 5 V designs, integrated op-amps and comparators for current sensing, multiple PWM channels with dead-band logic for inverter drive, and a CAN-capable communications block (depending on family variant). The Cortex-M0 core delivers 0.93 DMIPS/MHz and the part includes a USB-of-PSoC serial-wire debug interface. Programmable analog lets designers configure SAR ADCs and continuous-time blocks (CTBm) at compile time rather than selecting discrete op-amps.
Typical applications are field-oriented control (FOC) of permanent-magnet synchronous motors (PMSM) used in residential air conditioners, washing-machine drum drives, and refrigerator compressors. The 8 kB SRAM and 64 kB flash budget accommodate single-shunt or dual-shunt sensorless FOC firmware with observer state machines. Programmable analog blocks can be configured as current-sense amplifiers with on-chip gain resistors, and UDB-based dead-band generators drive the three-phase inverter directly without an external gate-driver logic IC for low-voltage sub-50 V systems. Designers should plan for 1 square inch of copper under the TQFP-64 thermal pad and route the high-current switching nets away from the analog ground island. This page consolidates Infineon parametric data, distributor stock across DigiKey, Mouser and LCSC, and drop-in same-package alternatives that simplify second-source qualification.
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This page synthesizes distributor pricing across DigiKey, Mouser and LCSC, same-package drop-in alternatives from the PSoC 4200M family, and PCB design notes that are not found in the manufacturer datasheet.
直接替换替代料： CY8C4246AZI-M475 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： CY8C4246AZI-M475 （相同外形与封装尺寸） ——差异在于 Operating Supply Voltage, Programmable Analog Blocks.
快速对比工具——选择替代料号进行并排对比：
CY8C4246AZI-M445
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →CY8C4245AZI-M475
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
CY8C4247AZI-M475
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
CY8C4246AZI-M445
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →CY8C4244AZI-M445
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
CY8C4246AZI-M475 最大额定值与电气特性
| Core | ARM Cortex-M0 |
| Core Width | 32-bit |
| Max Clock Frequency | 48 MHz |
| Flash Memory | 64 kB (64K x 8) |
| SRAM | 8 kB |
| 工作电源电压 | 1.71 V to 5.5 V |
| Supply Voltage (Nominal) | 3.3 V / 5 V |
| 封装 | 64-TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| Programmable Analog Blocks | Op-amps, comparators, SAR ADC (family feature) |
| Programmable Digital Blocks (UDBs) | Yes (family feature) |
| RoHS 状态 | Compliant |
| Product Family | PSoC 4200M (CY8C42xx-M) |
CY8C4246AZI-M475 引脚配置
| 引脚 1 | P0.0 — GPIO / UDB / analog (per datasheet) |
| 引脚 2 | P0.1 — GPIO / UDB / analog (per datasheet) |
| 引脚 3 | P0.2 — GPIO / UDB / analog (per datasheet) |
| 引脚 4 | P0.3 — GPIO / UDB / analog (per datasheet) |
| 引脚 5 | P0.4 — GPIO / UDB / analog (per datasheet) |
| 引脚 6 | P0.5 — GPIO / UDB / analog (per datasheet) |
| 引脚 7 | P0.6 — GPIO / UDB / analog (per datasheet) |
| 引脚 8 | P0.7 — GPIO / UDB / analog (per datasheet) |
| 引脚 9 | VSS — Ground |
| 引脚 10 | P1.0 — GPIO / UDB / analog (per datasheet) |
| 引脚 11 | P1.1 — GPIO / UDB / analog (per datasheet) |
| 引脚 12 | P1.2 — GPIO / UDB / analog (per datasheet) |
| 引脚 13 | P1.3 — GPIO / UDB / analog (per datasheet) |
| 引脚 14 | P1.4 — GPIO / UDB / analog (per datasheet) |
| 引脚 15 | P1.5 — GPIO / UDB / analog (per datasheet) |
| 引脚 16 | P1.6 — GPIO / UDB / analog (per datasheet) |
| 引脚 17 | P1.7 — GPIO / UDB / analog (per datasheet) |
| 引脚 18 | VSSD — Digital ground |
| 引脚 19 | P2.0 — GPIO / UDB / analog (per datasheet) |
| 引脚 20 | P2.1 — GPIO / UDB / analog (per datasheet) |
| 引脚 21 | P2.2 — GPIO / UDB / analog (per datasheet) |
| 引脚 22 | P2.3 — GPIO / UDB / analog (per datasheet) |
| 引脚 23 | P2.4 — GPIO / UDB / analog (per datasheet) |
| 引脚 24 | P2.5 — GPIO / UDB / analog (per datasheet) |
| 引脚 25 | P2.6 — GPIO / UDB / analog (per datasheet) |
| 引脚 26 | P2.7 — GPIO / UDB / analog (per datasheet) |
| 引脚 27 | VSSA — Analog ground |
| 引脚 28 | P3.0 — GPIO / UDB / analog (per datasheet) |
| 引脚 29 | P3.1 — GPIO / UDB / analog (per datasheet) |
| 引脚 30 | P3.2 — GPIO / UDB / analog (per datasheet) |
| 引脚 31 | P3.3 — GPIO / UDB / analog (per datasheet) |
| 引脚 32 | P3.4 — GPIO / UDB / analog (per datasheet) |
| 引脚 33 | P3.5 — GPIO / UDB / analog (per datasheet) |
| 引脚 34 | P3.6 — GPIO / UDB / analog (per datasheet) |
| 引脚 35 | P3.7 — GPIO / UDB / analog (per datasheet) |
| 引脚 36 | VDDD — Digital supply (1.71-5.5 V) |
| 引脚 37 | P4.0 — GPIO / UDB / analog (per datasheet) |
| 引脚 38 | P4.1 — GPIO / UDB / analog (per datasheet) |
| 引脚 39 | P4.2 — GPIO / UDB / analog (per datasheet) |
| 引脚 40 | P4.3 — GPIO / UDB / analog (per datasheet) |
| 引脚 41 | P4.4 — GPIO / UDB / analog (per datasheet) |
| 引脚 42 | P4.5 — GPIO / UDB / analog (per datasheet) |
| 引脚 43 | P4.6 — GPIO / UDB / analog (per datasheet) |
| 引脚 44 | P4.7 — GPIO / UDB / analog (per datasheet) |
| 引脚 45 | P5.0 — GPIO / UDB / analog (per datasheet) |
| 引脚 46 | P5.1 — GPIO / UDB / analog (per datasheet) |
| 引脚 47 | P5.2 — GPIO / UDB / analog (per datasheet) |
| 引脚 48 | P5.3 — GPIO / UDB / analog (per datasheet) |
| 引脚 49 | P5.4 — GPIO / UDB / analog (per datasheet) |
| 引脚 50 | P5.5 — GPIO / UDB / analog (per datasheet) |
| 引脚 51 | P5.6 — GPIO / UDB / analog (per datasheet) |
| 引脚 52 | P5.7 — GPIO / UDB / analog (per datasheet) |
| 引脚 53 | P6.0 — GPIO / UDB / analog (per datasheet) |
| 引脚 54 | P6.1 — GPIO / UDB / analog (per datasheet) |
| 引脚 55 | P6.2 — GPIO / UDB / analog (per datasheet) |
| 引脚 56 | P6.3 — GPIO / UDB / analog (per datasheet) |
| 引脚 57 | P6.4 — GPIO / UDB / analog (per datasheet) |
| 引脚 58 | P6.5 — GPIO / UDB / analog (per datasheet) |
| 引脚 59 | P6.6 — GPIO / UDB / analog (per datasheet) |
| 引脚 60 | P6.7 — GPIO / UDB / analog (per datasheet) |
| 引脚 61 | VDDA — Analog supply (1.71-5.5 V) |
| 引脚 62 | VSSA — Analog ground |
| 引脚 63 | VCCD — Decoupled core supply (1.8 V typical) |
| 引脚 64 | XRES — External reset (active low) |
典型应用
CY8C4246AZI-M475 适用于 6 应用s: Residential Air Conditioner Compressor Motor Control, Washing Machine Direct-Drive Drum Motor, Refrigerator Compressor Inverter, BLDC Fan Motor Control, Industrial Sensor Interface Hub, Home Appliance HMI Controller.
Residential Air Conditioner Compressor Motor Control
The CY8C4246AZI-M475 is the canonical PSoC 4200M derivative for residential air-conditioner outdoor-unit compressor control. The M475 firmware tag targets single/dual-shunt sensorless FOC on PMSM and BLDC compressor motors in the 50 W to 2 kW range, and 48 MHz Cortex-M0 headroom leaves enough MIPS for the observer state machine plus housekeeping tasks. The on-chip CTBm (continuous-time block module) provides current-sense amplifiers with programmable gain (4 or 8), and the UDBs (universal digital blocks) generate the center-aligned PWM with dead-band insertion needed for a three-phase inverter, eliminating an external gate-driver logic IC. The 1.71-5.5 V supply range lets the same PCB accept both 3.3 V and 5 V gate-driver supplies without rework. Expect 200-500 mA peak current draw during Wi-Fi/BLE coprocessor wake transients; the 64 kB flash and 8 kB SRAM budget fits the FOC observer plus a small TCP/IP or Modbus stack for inverter telemetry.
推荐
Washing Machine Direct-Drive Drum Motor
Direct-drive drum washing machines use PMSM motors in the 200 W to 1.5 kW range that require sensorless FOC with high starting torque and a wide speed range. The CY8C4246AZI-M475 delivers 48 MHz Cortex-M0 performance and on-chip programmable op-amps configured as current-sense amplifiers with integrated gain resistors, eliminating four to six external op-amps. The UDB-based PWM provides the dead-band timing for the inverter IGBTs, and the SAR ADC samples the shunt signals synchronously to the switching edge. The 64 kB flash fits the drum-balance observer and vibration-detection FSM, and the 8 kB SRAM handles the speed-pi-controller plus Clarke/Park transform state. The 1.71-5.5 V supply lets the same hardware platform scale from 110 V to 240 V regions by changing only the gate-driver stage. 1 square inch of PCB copper is recommended under the TQFP-64 thermal pad to keep junction rise under 30 C at 1 W dissipation.
推荐
Refrigerator Compressor Inverter
Variable-speed refrigerator compressors use low-cost sensorless FOC on PMSM or BLDC motors in the 50 W to 300 W range, where BOM cost and efficiency are critical. The CY8C4246AZI-M475 supports single-shunt FOC with its on-chip CTBm and one external shunt resistor, and the UDBs provide the complementary PWM outputs with programmable dead-band delay (50 ns to 1 us). The 64 kB flash holds the sensorless observer plus the start-up-alignment routine, and the 8 kB SRAM keeps the speed-pi state variables on-chip. The 1.71-5.5 V supply supports both 3.3 V and 5 V rails, allowing the design to use the cheapest local LDO. The 64-TQFP (10x10) footprint is shared across the CY8C4246-M family, simplifying second-source qualification. Expected junction rise is below 25 C at continuous 200 mA load in a sealed compressor compartment with 1 square inch copper pour.
推荐
BLDC Fan Motor Control
BLDC fans in HVAC, server cooling, and air-purifier applications use 6-step or sensorless FOC drive in the 5 W to 100 W range, where the BOM must include only one controller, one gate driver, and a few passives. The CY8C4246AZI-M475 handles back-EMF zero-detection using its on-chip comparator block (no external comparator needed), and the UDBs provide the commutation-timer and PWM generation. The 64 kB flash and 8 kB SRAM fit the sensorless startup plus closed-loop speed PI, and the 1.71-5.5 V supply supports both 5 V USB-powered designs and 24 V industrial fans. The 64-TQFP footprint enables a single PCB platform across multiple fan SKUs by changing only the firmware. Power dissipation is typically below 100 mW, so no heatsink is required - just a small copper island under the thermal pad.
推荐
Industrial Sensor Interface Hub
Industrial PModicon nodes and HVAC controllers aggregate analog sensor inputs (temperature, pressure, flow) and drive a motor or actuator with a deterministic response time. The CY8C4246AZI-M475 integrates up to 4 op-amps (configurable as instrumentation amplifiers) plus a 12-bit SAR ADC with 1 Msps capability, allowing direct connection of 4-20 mA current-loop sensors with only shunt resistors. The UDBs implement custom serial protocols (Modbus, CANopen, or LIN), and the 64 kB flash holds the protocol stack plus sensor-fusion logic. The 1.71-5.5 V supply accepts 24 V industrial rails after a small buck regulator. The 64-TQFP (10x10) footprint allows a 4-layer PCB with the thermal pad connected to a 0.5 square inch inner-plane copper island, keeping junction rise below 20 C at 250 mW dissipation.
推荐
Home Appliance HMI Controller
Washing machines, dishwashers, and microwave ovens pair a motor-control MCU with a capacitive-touch or LCD HMI. The CY8C4246AZI-M475 includes Cypress/Infineon's CapSense hardware accelerator that supports up to 30 capacitive-touch buttons or a 4x4 touch matrix, eliminating a separate touch controller IC. The UDBs drive the LCD segment driver, and the SAR ADC reads the thermistor inputs for over-temperature protection. The 64 kB flash and 8 kB SRAM hold the CapSense firmware, the LCD segment table, and the motor-control PID loop, all running on a single Cortex-M0. The 1.71-5.5 V supply lets the board accept 5 V from a USB/UII port or 3.3 V from an internal LDO. The 64-TQFP footprint allows the HMI daughter board to plug into the same motherboard as the aircon-M475 reference design, with firmware selecting the application profile.
推荐
推荐产品汇总
工程参考数据： CY8C4246AZI-M475 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | CY8C4246AZI-M445 | CY8C4245AZI-M475 | CY8C4247AZI-M475 | CY8C4244AZI-M445 |
|---|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Core | ARM Cortex-M0 32-bit | ARM Cortex-M0 32-bit | ARM Cortex-M0 32-bit | ARM Cortex-M0 32-bit | ARM Cortex-M0 32-bit |
| Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 64 kB | 64 kB | 32 kB (-50%) | 128 kB (+100%) | 16 kB (-75%) |
| SRAM | 8 kB | 8 kB | 8 kB | 8 kB | 4 kB (-50%) |
| Supply Voltage | 1.71 V to 5.5 V | 1.71 V to 5.5 V | 1.71 V to 5.5 V | 1.71 V to 5.5 V | 1.71 V to 5.5 V |
| Firmware Bundle | M475 (aircon-specific) | M445 (generic baseline) | M475 (aircon-specific) | M475 (aircon-specific) | M445 (generic baseline) |
| Product Family | PSoC 4200M (CY8C42xx-M) | PSoC 4200M | PSoC 4200M | PSoC 4200M | PSoC 4200M |
关键差异点
- Aircon-specific M448 firmware derivative in the same 64-TQFP footprint （对比 CY8C4246AZI-M445)
- Largest memory in the 64-TQFP M-family lineup at 64 kB flash （对比 CY8C4245AZI-M475)
- Drop-in compatibility with the CY8C4247AZI-M475 for cost-down redesigns （对比 CY8C4247AZI-M475)
设计说明
The 64-TQFP (10x10 mm) package has a JEDEC-standard exposed thermal pad (pin 64 area on the underside). For continuous FOC motor control at 1 W dissipation, solder the thermal pad to a copper pour of at least 1 square inch (645 mm^2) on the top or inner PCB layer. Estimated: at 1 W dissipation with a JEDEC-standard 4-layer 1 oz PCB and 1 sq-in copper pour, junction-to-ambient thermal resistance is approximately 30-40 C/W, keeping the die below 50 C in typical 25 C ambient. Below 250 mW dissipation, a smaller 0.5 sq-in pour is sufficient.
Separate the analog ground island (VSSA, pin 27/62) from the digital ground (VSS, pin 9/18) and connect them at a single point under the exposed thermal pad. Place the 1 uF VCCD core decoupling capacitor (pin 63) within 2 mm of the pin and the 4.7 uV VDDD bulk capacitor (pin 36) within 5 mm. Use a 4-layer stack-up with a dedicated ground plane on layer 2 to provide low-impedance return paths for the high-current switching nets.
Do not exceed the absolute maximum 6 V on VDDD/VDDA. The XRES pin (pin 64) requires an external 10 kOhm pull-up-resistor and a 100 nF capacitor for clean reset - omitting the capacitor can cause intermittent reset on power-up. Programmable analog blocks must be configured before enabling the SAR ADC; configuring them after will produce incorrect ADC readings for the first 100 us after startup.
Route the three-phase inverter PWM outputs (typically on P0.x, P1.x, P2.x) away from the analog signal traces by at least 5 mm or shield them with a grounded copper pour. Place current-sense amplifiers (CTBm blocks) on the same die-side as the shunt resistors to minimize trace resistance. The SWD debug pins (SWDIO, SWDCLK) should be routed to a 0.05-inch-pitch header for factory programming; do not share these pins with GPIO unless you can disable the SWD interface in firmware.
合规信息
RoHS compliance and REACH compliance per Infineon product page and DigiKey distributor listing. AEC-Q100 qualification not stated - the M475 firmware derivative is intended for white-goods/appliance applications, not automotive. Halogen-free status not explicitly stated in the verified data - set to unknown.
