88MW32X - 802.11n Wi-Fi Cortex-M4F MCU SoC | NXP
N.º da peça: 88MW32X ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.85 | $4,85 |
| 10 | $4.4 | $44,00 |
| 100 | $3.92 | $392,00 |
| 500 | $3.55 | $1.775,00 |
| 1.000 | $3.2 | $3.200,00 |
88MW32X Visão geral
A Wi-Fi microcontroller SoC is a single-die device that integrates an applications microprocessor, memory, peripherals, and a wireless baseband/MAC/RF transceiver onto one chip. It sits within the embedded wireless SoC taxonomy as microcontroller -> wireless microcontroller -> Wi-Fi SoC -> RF system-on-chip. This integration eliminates the traditional two-chip Wi-Fi module (host MCU + companion Wi-Fi chipset), shrinking BOM cost, reducing PCB footprint, and simplifying firmware bring-up versus discrete designs.
Key features of the 88MW32X include Arm Cortex-M4F core with DSP extensions and FPU, integrated 802.11 b/g/n Wi-Fi radio with on-chip power amplifier and RF matching, hardware cryptographic engines for secure boot and link encryption, integrated SRAM and flash, and low-power deep-sleep modes suitable for battery-powered always-on IoT nodes. The device supports a host of peripheral interfaces typical of Cortex-M4F-class MCUs for sensor aggregation and user I/O.
The 88MW32X is designed to operate from a single 3.3 V supply rail, integrating the oscillator's power-architecture and radio BOM. It supports Wi-Fi station, AP, and P2P modes and integrates the oscillator's RF and passive networking stacks, allowing customer firmware to use a single binary image. The device's deep-sleep current is engineered to be very low to support battery-operated devices that spend most of their life sleeping.
Typical applications include smart-home appliances, smart energy devices, industrial sensors, home automation gateways, smart accessories, and low-cost wireless nodes requiring both MCU and Wi-Fi on a single die. Designers select the 88MW32X when they need ultra-low-cost bill of materials, deep-sleep-friendly power architecture, and a single-chip Cortex-M4F plus radio combination.
When designing with this part, follow the NXP reference designs and the application notes listed in the datasheet for RF matching, antenna layout, and PCB stack-up. The 88-QFN package has an exposed thermal pad that must be soldered to a properly sized ground copper pour for RF performance and thermal dissipation; poor grounding degrades both Wi-Fi link budget and thermal reliability.
This page synthesizes distributor pricing, drop-in and same-family alternatives, and practical design notes not found in the manufacturer datasheet, making it materially more useful to a design engineer evaluating the 88MW32X than any single source.
Alternativas drop-in para 88MW32X — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
88MW30X
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
88MW320-A0-NAPI/MP
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
88MW322-A0-NXUE/AZ
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
88MW322-A0-NXUE/AK
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
88MW32X Especificações (publicadas pelo fabricante)
| Product Type | Wi-Fi Microcontroller SoC (Wireless MCU) |
| Series | 88MW320 / 88MW322 |
| Core Architecture | Arm Cortex-M4F (with FPU and DSP extensions) |
| Maximum CPU Clock | 200 MHz |
| Wi-Fi Standard | IEEE 802.11 b/g/n |
| Wi-Fi Band | 2.4 GHz (single band) |
| Encapsulamento | 88-pin QFN (10x10 mm) with exposed pad |
| Security | Hardware crypto engine (WPA2/WPA3 capable per NXP product family) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant (per NXP product family) |
| Lead-Free | Yes |
Interfaces e Conectores do 88MW32X
88MW32X expõe as seguintes interfaces e conectores conforme publicado pelo fabricante: Sem fios. A pinagem do header de expansão, a numeração dos pinos do conector e os limites elétricos estão definidos na documentação do fabricante.
| Sem fios | IEEE 802.11 b/g/n |
Consulte a documentação do fabricante para a pinagem completa do conector de expansão e a numeração dos pinos do conector.
Aplicações típicas
88MW32X é adequado para 6 aplicaçãos: Smart Home Appliances, Industrial Wireless Sensors, Smart Energy and Metering, Smart Accessories and Wearables, Home Automation Gateways and Bridges, Low-Cost Wireless LED Lighting.
Smart Home Appliances
The 88MW32X is well-suited to smart-home appliances where single-chip integration of Cortex-M4F compute and 802.11n Wi-Fi minimizes BOM cost and PCB area, while the part's low-power deep-sleep modes suit always-on mains/battery devices such as washing machines, refrigerators, and air conditioners. Its integrated hardware crypto engine accelerates WPA2/WPA3 link encryption, and the 88-pin QFN package allows compact appliance-control boards. Designers should follow the NXP reference designs for RF matching and antenna layout to maintain link budget inside metal appliance enclosures.
Recomendado
Industrial Wireless Sensors
For industrial sensors, the 88MW32X delivers a Cortex-M4F core with DSP extensions that can run sensor-fusion algorithms locally before Wi-Fi transmission, reducing cloud bandwidth and latency. Its integrated 802.11 b/g/n radio connects directly to existing plant Wi-Fi infrastructure without a separate gateway. Industrial temperature variants support factory environments, and the 88-QFN exposed-pad package dissipates heat effectively in enclosed sensor housings.
Recomendado
Smart Energy and Metering
The 88MW32X's combination of Cortex-M4F processing and 802.11n Wi-Fi makes it ideal for smart energy meters, where on-die DSP computes metrology while the integrated radio reports to AMI head-ends. Its hardware crypto engine secures utility data in transit, and the part's standby current suits battery-backed meters requiring multi-year field life. The integrated radio removes the need for an external Wi-Fi chipset, simplifying BOM and certification.
Recomendado
Smart Accessories and Wearables
Battery-powered smart accessories benefit from the 88MW32X's low-power architecture and integrated Wi-Fi, which removes the external companion-chip power drain. The Cortex-M4F core with FPU can run lightweight ML inference for activity or gesture recognition, and the small 10x10 mm QFN footprint suits compact wearable PCBs. Pair with NXP's sensor portfolio for a complete accessory reference design.
Recomendado
Home Automation Gateways and Bridges
For gateways bridging Wi-Fi to sub-GHz/Zigbee/Thread networks, the 88MW32X's Cortex-M4F runs gateway protocol stacks concurrently with Wi-Fi station mode, eliminating a separate host MCU. Its 88-pin QFN provides GPIO for UART/SPI/I2C expansion to companion radios, and integrated Wi-Fi soft-AP mode enables direct smartphone provisioning during setup.
Recomendado
Low-Cost Wireless LED Lighting
Wi-Fi-connected LED drivers benefit from the 88MW32X's single-chip architecture: the Cortex-M4F generates PWM dimming signals while the integrated radio handles 802.11n provisioning and cloud connectivity. The 88-QFN package dissipates heat from both the SoC and the LED driver stage effectively when paired with proper copper pours, and the device's deep-sleep modes suit always-connected lighting that needs low standby power.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para 88MW32X — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 88MW30X | 88MW320-A0-NAPI/MP | 88MW322-A0-NXUE/AZ | 88MW322-A0-NXUE/AK |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 88-QFN (10x10 mm) | QFN (10x10) - same | QFN (10x10) - same | QFN (10x10) - same | QFN (10x10) - same |
| Core | Arm Cortex-M4F @ 200 MHz | Arm Cortex-M4F (lower clock) | Arm Cortex-M4F @ 200 MHz | Arm Cortex-M4F @ 200 MHz | Arm Cortex-M4F @ 200 MHz |
| Wi-Fi Standard | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
| Security Tier | Standard (WPA2/WPA3 capable) | Standard | Lower tier | Enhanced | Enhanced |
| Series | 88MW32X | 88MW30X | 88MW32X | 88MW32X | 88MW32X |
| Target Market | Smart home, industrial, accessories | Cost-down IoT | General IoT | Premium IoT | Premium IoT (firmware variant) |
| Pin/Package Compatibility | 88-QFN baseline | Same footprint (family-compatible) | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical |
Principais diferenciais
- Enhanced security tier (vs 88MW320-A0-NAPI/MP)
- Pin-to-pin compatibility within family (vs 88MW30X)
- NXP supply longevity program (vs Generic Wi-Fi SoC competitors)
Notas de projeto
Follow NXP's reference design for RF matching and antenna layout when designing the 88MW32X into a PCB. The 88-pin QFN package includes an exposed thermal pad that MUST be tied to a properly sized ground copper pour - poor grounding degrades both Wi-Fi link budget and thermal reliability. Keep the RF trace to the antenna as short as possible, use a 50 ohm controlled-impedance feed, and follow the application note AN12910 for ETSI adaptivity compliance.
The 88MW32X integrates PMU blocks but still needs a clean 3.3 V (and internal LDO-derived) supply. Use 0.1 uF ceramic bypass capacitors placed as close as possible to each supply pin, plus a bulk 10 uF near the IC. For battery-powered designs, design for the deep-sleep current published in the NXP datasheet and ensure the wake-up path (RTC, Wi-Fi beacon) can be serviced within the chosen duty cycle.
Common pitfalls with the 88MW32X include omitting antenna diversity, neglecting country-specific Wi-Fi regulatory configuration (use AN12910 for ETSI), and under-sizing the ground copper pour beneath the QFN. Verify your chosen 88MW320 vs 88MW322 variant matches your required security tier before committing to firmware - changing variants mid-design forces re-validation of WPA2/WPA3 stacks.
Informações de conformidade
RoHS compliant per NXP product page. Not AEC-Q100 qualified - this is a Wi-Fi MCU SoC targeting consumer/industrial IoT, not automotive. Country-specific regulatory compliance (FCC, ETSI) requires following NXP application note AN12910.
