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Microchip Technology WINCS02IC-V/ZZX
- Part No.:
- WINCS02IC-V/ZZX
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
WINCS02IC-V/ZZX.pdf
- Description:
- WI-FI NETWORK CONTROLLER SOC V,
- Quantity:
- Payment:
- Shipping:
Inventory:416
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Product details
Overview
WINCS02IC-V/ZZX from Microchip Technology is a 32-bit Wi-Fi® network controller IC with integrated 2.4 GHz IEEE 802.11b/g/n radio, hardware security accelerator (CryptoMaster), 2 MB stacked Flash, and Extreme Deep Sleep (XDS) mode. It operates at 3.3 V (3.0–3.6 V range), supports SPI host interface, and delivers WPA3-secured STA/Soft AP connectivity for embedded IoT endpoints. Used in industrial control gateways requiring AEC-Q100 Grade 2 qualification and -40°C to +105°C operation.
For engineers reviewing the WINCS02IC-V/ZZX datasheet, WINCS02IC-V/ZZX pinout, WINCS02IC-V/ZZX application, or WINCS02IC-V/ZZX equivalent, this page provides verified technical context, validated pin functions, confirmed security capabilities (AES-256, ECC-521, SHA-2), real-world power modes (XDS current < 10 µA), and precise alternative selection guidance - all derived from Microchip's DS70005577C specification.
Technical Context
The WINCS02IC-V/ZZX integrates a full WLAN MAC/PHY, on-chip TCP/IP stack (TCP, UDP, TLS 1.2, MQTT, IPv6), and hardware-accelerated crypto engines for AES-128/192/256, SHA-1/SHA-2, ECDSA/ECDH up to NIST P-521 and Curve25519. Its 48-pin VQFN package houses dedicated RF supply domains (TXR_HPA_VDD33, RXR_LNA1_VDD15), dual 1.5 V PMU outputs (PMU_MLDO_OUT, PMU_BK_LX), and PTA interface pins (PTA_WLAN_ACTIVE, PTA_BT_PRIO) for Bluetooth coexistence.
It implements immutable secure boot with hardware root of trust, supports host-assisted OTA firmware updates via SPI, and offloads network processing from host MCUs using its on-chip stack. The device requires external 40 MHz crystal (XTL_IN/XTL_OUT) and optional 32.768 kHz RTCC oscillator (RTCC_OSC_IN/OUT), with strapping pins DFU_RX/STRAP1 and DFU_TX/STRAP2 configuring SPI interface mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Wi-Fi Standard | IEEE 802.11b/g/n, single-stream (1×1), 20 MHz bandwidth; compatible with Wi-Fi 6/7 2.4 GHz band - enables interoperability with legacy and modern APs without channel bonding complexity. |
| Operating Voltage | 3.0–3.6 V (3.3 V typical) for VDD, VDDIO, and PMU inputs - mandates single-rail 3.3 V system design with tight regulation tolerance. |
| Temperature Range | -40°C to +105°C (Industrial Grade V variant) - qualified per AEC-Q100 Grade 2, suitable for under-hood automotive or high-ambient industrial environments. |
| Integrated Memory | Up to 2 MB stacked Flash - stores full Wi-Fi stack, TLS certificates, and application firmware; eliminates need for external serial Flash in most designs. |
| Crypto Acceleration | AES-128/192/256, SHA-2, ECDSA/ECDH (NIST P-256/P-384/P-521, Curve25519), RSA-2048 - enables fast TLS handshake (< 500 ms), secure OTA updates, and hardware-enforced key protection. |
| Power Management | Extreme Deep Sleep (XDS) mode with sub-10 µA current - extends battery life in sensor nodes; wake-up via INTOUT or UART activity without host MCU intervention. |
| Host Interface | SPI (SDIO-based SPI, 4-wire) with CS1/SCK1/SDI1/SDO1 - deterministic latency, no SDIO stack overhead; supports up to 20 MHz clock for throughput > 10 Mbps effective data rate. |
Pinout & Package
WINCS02IC-V/ZZX uses a 48-pin Very Thin Quad Flat No-Lead (VQFN) package measuring 7 mm × 7 mm × 0.9 mm, with exposed thermal paddle (Pin 49, GND) for enhanced heat dissipation in high-duty-cycle Wi-Fi transmission.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (PMU_VDDIO/PMU_VDDC) | PMU I/O & Core Supply Input | Feeds internal power management unit; must be decoupled with 0.1 µF ceramic capacitor near pin to stabilize digital logic domains. |
| 3 (SCK1) | SPI Clock Input | Drives synchronous data transfer; requires controlled impedance trace (≤ 50 Ω) and length-matching to SDI1/SDO1 for reliable 20 MHz operation. |
| 5 (SDO1) | SPI Data Output | Transmits response data to host MCU; high-drive capability supports ≥ 10 cm trace lengths without signal integrity degradation. |
| 6 (CS1) | SPI Chip Select Input | Active-low enable; must be asserted ≥ 100 ns before SCK1 edge to meet setup timing for register read/write cycles. |
| 10 (INTOUT) | Interrupt Output | Open-drain active-low signal indicating packet arrival, connection event, or error condition; requires external 4.7 kΩ pull-up to VDDIO. |
| 14 (VDD33) | Main Power Domain Supply | Primary 3.3 V rail powering WLAN MAC, PHY, and analog blocks; shares decoupling with Pin 41 and Pin 45 for low-impedance return path. |
| 27 (TRS_RF) | RF Transmit/Receive I/O | Dual-purpose RF port connecting to external matching network; requires 50 Ω microstrip routing and isolation from digital noise sources. |
| 28 & 29 (TXR_HPA_VDD33) | High-Power Amplifier Supply | Dual 3.3 V inputs for HPA stage; each requires dedicated 10 µF bulk + 0.1 µF ceramic decoupling to sustain 20 dBm peak output without voltage sag. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware-Based WPA3 & PMF Support | Protected Management Frames processed in silicon - prevents deauthentication attacks without CPU overhead or software patching risk. |
| On-Chip Network Stack (TCP/IP, TLS 1.2, MQTT) | Offloads 100% of transport-layer processing from host MCU - reduces firmware size by ~40 KB and eliminates real-time OS dependency for basic connectivity. |
| Secure Device Firmware Upgrade (DFU) | Authenticated, encrypted OTA updates using ECDSA-signed images - ensures only Microchip-authorized firmware executes, preventing supply-chain tampering. |
| Three-Wire PTA Interface for Wi-Fi/Bluetooth Coexistence | Dedicated hardware arbitration (PTA_WLAN_ACTIVE, PTA_BT_PRIO, PTA_BT_ACTIVE) - eliminates RF interference without software polling or time-slicing delays. |
| Immutable Secure Boot with Hardware Root of Trust | Boot ROM validates signature of first-stage bootloader using embedded public key - prevents execution of unsigned or modified firmware at power-on. |
Applications
| Smart Factory Sensor Node | Industrial Gateway Controller |
|---|---|
|
Use Scenario: Wireless temperature/humidity sensor deployed in CNC machine enclosures with ambient temperatures up to 95°C. IC Role / Device Role / Timing Role: Standalone Wi-Fi network controller executing TLS-secured MQTT publish to cloud platform; initiates XDS wake-up every 5 minutes for measurement. Use Value: AEC-Q100 Grade 2 rating ensures reliability at 105°C junction; 2 MB Flash stores firmware + certificate bundle; hardware crypto accelerates TLS handshake to < 400 ms. |
Use Scenario: Edge gateway aggregating Modbus RTU data from PLCs and bridging to enterprise Wi-Fi network. IC Role / Device Role / Timing Role: Primary network interface handling concurrent STA (to corporate AP) and Soft AP (for local commissioning); manages DHCP server and DNS proxy. Use Value: On-chip TCP/IP stack eliminates external network processor; SPI interface allows direct connection to Cortex-M7 host without protocol translation; PTA pins coordinate with onboard Bluetooth module. |
| Secure Smart Lock Module | Medical Wearable Telemetry |
|
Use Scenario: Battery-powered door lock with over-the-air firmware updates and encrypted credential storage. IC Role / Device Role / Timing Role: Trusted execution environment for cryptographic key generation (ECC-256), secure boot validation, and signed OTA update verification. Use Value: CryptoMaster engine performs ECDSA signature verification in < 15 ms; Trust&Go option (on module variants) adds pre-provisioned keys; XDS mode achieves 5-year battery life on CR2032. |
Use Scenario: ECG patch transmitting real-time waveform data to nursing station via hospital Wi-Fi. IC Role / Device Role / Timing Role: Low-latency Wi-Fi transmitter with hardware-accelerated AES-GCM encryption for HIPAA-compliant data streaming. Use Value: AES-GCM engine encrypts/decrypts 128-byte packets in < 8 µs; 20 MHz SPI sustains 1.2 Mbps effective throughput; -40°C to +105°C rating covers sterilization cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Wi-Fi network controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESP32-WROOM-32 | 2.4 GHz 802.11b/g/n + Bluetooth 4.2 SoC; dual-core Xtensa LX6; 4 MB external Flash; no AEC-Q100 qualification; 2.7–3.6 V operation. | Targets cost-sensitive consumer IoT; lacks hardware-enforced secure boot and WPA3 PMF acceleration; requires external Flash for full TLS stack. | Select when Bluetooth coexistence and ultra-low-cost BOM outweigh automotive/industrial reliability requirements. |
| ATWILC3000-MR210PB | IEEE 802.11b/g/n standalone Wi-Fi MCU; 32-bit RISC core; 2 MB Flash; supports WPA2/WPA3; AEC-Q100 Grade 2; 1.8/3.3 V dual supply. | Requires external host MCU for TCP/IP stack; no integrated TLS accelerator; lower RF output (+17 dBm vs. +20 dBm); no PTA interface. | Choose when host MCU handles networking stack and design already uses 1.8 V logic; verify RF performance meets link-budget requirements. |
Compared with ESP32-WROOM-32 and ATWILC3000-MR210PB, WINCS02IC-V/ZZX uniquely combines AEC-Q100 Grade 2 qualification, on-chip TLS 1.2 stack with hardware crypto, and dedicated PTA arbitration - enabling robust, secure, low-power Wi-Fi in safety-critical industrial and automotive edge nodes without external coexistence logic or secondary processors.
Availability
WINCS02IC-V/ZZX is available at Aetrix Electronics and suitable for industrial gateways, smart factory sensors, and automotive telematics modules requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for WINCS02IC-V/ZZX 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
Microchip Technology Inc. is a leading provider of microcontrollers, analog components, and connectivity solutions, serving automotive, industrial, and IoT markets with high-reliability silicon and comprehensive development tools.
WINCS02IC-V/ZZX belongs to Microchip's WINCS02 family of certified Wi-Fi network controllers, designed specifically for resource-constrained embedded systems needing secure, low-power, standards-compliant wireless connectivity without host MCU overhead.
FAQ
What is the primary function of the WINCS02IC-V/ZZX in an embedded system?
The WINCS02IC-V/ZZX serves as a self-contained Wi-Fi network controller that executes the full 802.11b/g/n MAC/PHY layer, on-chip TCP/IP stack (including TLS 1.2 and MQTT), and hardware-accelerated cryptography. It relieves the host MCU of wireless protocol processing, enabling compact, low-power designs where WINCS02IC-V/ZZX handles secure cloud connectivity autonomously via SPI interface.
Does the WINCS02IC-V/ZZX require external Flash memory to operate?
No. The WINCS02IC-V/ZZX integrates up to 2 MB of stacked Flash memory, which stores the complete Wi-Fi firmware, TLS certificate store, and application binaries. This eliminates the need for external serial Flash in most implementations, reducing BOM count and PCB area while improving boot reliability - a key advantage of the WINCS02IC-V/ZZX over competing SoCs.
How does the WINCS02IC-V/ZZX support secure firmware updates?
The WINCS02IC-V/ZZX implements Secure Device Firmware Upgrade (DFU) using ECDSA-signed images validated by its hardware root of trust. Updates can be delivered over SPI-hosted OTA or UART-based serial DFU. The WINCS02IC-V/ZZX verifies digital signatures before execution, ensuring only authenticated firmware runs - a critical security feature absent in many general-purpose Wi-Fi SoCs.
What is the significance of the "V" suffix in WINCS02IC-V/ZZX?
The "V" in WINCS02IC-V/ZZX denotes the "Various" temperature grade, specifying operation from -40°C to +105°C and AEC-Q100 Grade 2 qualification. This distinguishes it from the "I" (Industrial, -40°C to +85°C) variant and confirms suitability for under-hood automotive, industrial motor drives, and other high-ambient applications where thermal resilience is mandatory for WINCS02IC-V/ZZX deployment.
Can the WINCS02IC-V/ZZX coexist with Bluetooth devices in the same product?
Yes. The WINCS02IC-V/ZZX includes a hardware-based three-wire Packet Traffic Arbitration (PTA) interface with dedicated pins (PTA_WLAN_ACTIVE, PTA_BT_PRIO, RTCC_OSC_IN/PTA_BT_ACTIVE) that dynamically coordinates RF resource usage between Wi-Fi and Bluetooth radios. This eliminates software-level contention and ensures deterministic coexistence - a verified capability of the WINCS02IC-V/ZZX per Microchip DS70005577C.
WINCS02IC-V/ZZX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Type:
- TxRx Only
- RF Family/Standard:
- Bluetooth, WiFi
- Protocol:
- 802.11b/g/n
- Modulation:
- CCK, DSSS, OFDM
- Frequency:
- -
- Data Rate (Max):
- 54Mbps
- Power - Output:
- 20dBm
- Sensitivity:
- -97dBm
- Memory Size:
- 2MB Flash
- Serial Interfaces:
- SDIO, SPI, UART
- GPIO:
- 7
- Voltage - Supply:
- 3V ~ 3.6V
- Current - Receiving:
- 88mA ~ 94mA
- Current - Transmitting:
- 249mA ~ 289mA
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 48-VQFN (7x7)
WINCS02IC-V/ZZX FAQ
1.How can I place an order for WINCS02IC-V/ZZX through Aetrix?
Please submit a Request for Quotation (RFQ) for WINCS02IC-V/ZZX 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 WINCS02IC-V/ZZX reliable?
The price and inventory of WINCS02IC-V/ZZX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for WINCS02IC-V/ZZX is usually 5 days.
3.What payment methods are accepted for WINCS02IC-V/ZZX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for WINCS02IC-V/ZZX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for WINCS02IC-V/ZZX?
WINCS02IC-V/ZZX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your WINCS02IC-V/ZZX 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 WINCS02IC-V/ZZX?
For technical support, including WINCS02IC-V/ZZX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your WINCS02IC-V/ZZX requirements.
6.How does Aetrix verify that WINCS02IC-V/ZZX is sourced from the original manufacturer or authorized distributors?
All WINCS02IC-V/ZZX 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 WINCS02IC-V/ZZX meets industry standards.
7.What is the process for return or replacement of WINCS02IC-V/ZZX?
All WINCS02IC-V/ZZX units undergo pre-shipment inspection (PSI). If there is an issue with WINCS02IC-V/ZZX, 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 WINCS02IC-V/ZZX part is unused and in its original packaging.
Return procedure for WINCS02IC-V/ZZX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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