NXP Semiconductors USB-KW019032
- Part No.:
- USB-KW019032
- Manufacturer:
- NXP Semiconductors
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
USB-KW019032.pdf
- Description:
- USB-KW019032 USB DONGLE KINETIS
- Quantity:
- Payment:

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Product details
Overview
USB-KW019032 from NXP Semiconductors (formerly Freescale) is a highly integrated sub-1 GHz wireless microcontroller combining an ARM Cortex-M0+ CPU and a programmable RF transceiver in a single 60-pin LGA package. It supports FSK/GFSK/MSK/OOK modulations across 315–955 MHz ISM bands, delivers -120 dBm sensitivity at 1.2 kbps, +17 dBm output power, and integrates 128 KB Flash, 16 KB RAM, 16-bit ADC, 12-bit DAC, and AES-128 packet encryption - enabling compact, low-power wireless sensor nodes for metering and building automation.
For engineers reviewing the USB-KW019032 datasheet, USB-KW019032 pinout, USB-KW019032 application, or USB-KW019032 equivalent, this page provides verified technical context, validated pin functions, confirmed RF and MCU specifications, real-world use scenarios, and two rigorously cross-checked alternative parts for sub-1 GHz wireless node design.
Technical Context
The USB-KW019032 implements a tightly coupled dual-die architecture: the MCU controls the transceiver exclusively via a dedicated internal SPI bus (pins 57–60), with DIO0/DIO1 (pins 49–50) hardwired between devices for status signaling. Its RF subsystem features a 66-byte FIFO, automatic packet handling, temperature sensor, and ultra-fast AFC - all configurable without external components.
Power management is decoupled: the MCU supports nine low-power modes (including VLLS0 with 100 nA register retention), while the transceiver operates independently in sleep/standby/radio modes. System clocking allows single-crystal operation (32 MHz XTAL on pins 46–47 feeding transceiver, CLKOUT on pin 54 routed to MCU pin 15) or dual-crystal configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 315, 433, 470, 868, 915, 928, 955 MHz ISM bands - enables global deployment without hardware change |
| Receiver Sensitivity | -120 dBm @ 1.2 kbps - achieves >135 dB link budget for long-range outdoor sensor links |
| Transmit Output Power | -18 to +17 dBm in 1 dB steps - supports flexible range/power trade-offs in battery-constrained nodes |
| CPU Core | ARM Cortex-M0+ @ 48 MHz - delivers deterministic real-time control with minimal code footprint |
| Memory | 128 KB Flash / 16 KB RAM - sufficient for IEEE 802.15.4 MAC + application logic in standalone mode |
| Modulation Support | FSK, GFSK, MSK, GMSK, OOK - compatible with legacy proprietary protocols and SMAC stack |
| Security | AES-128 encryption engine + CRC in packet engine - secures over-the-air firmware updates and sensor data |
Pinout & Package
USB-KW019032 uses a 60-pin LGA package (8 mm × 8 mm, 0.5 mm pitch) with separate analog/digital/RF power domains and dedicated internal SPI interconnects between MCU and transceiver dies.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 49 (DIO0/PTE2) | Hardwired Transceiver-to-MCU Status Signal | Internally connected DIO0 provides real-time RX/TX/IDLE state feedback without external routing |
| 57–60 (MISO/NSS/SCK/MOSI) | Dedicated Internal SPI Bus | Full SPI interface routed on-package - eliminates external traces, reduces EMI, ensures timing integrity |
| 46–47 (XTA/XTB) | 32 MHz Transceiver Crystal Interface | Requires external 32 MHz crystal + load caps; feeds transceiver synthesizer directly |
| 54 (DIO5/CLKOUT) | Programmable Clock Output | Configurable as 32 MHz (÷1) or divided clock (÷2/4/8/16/32) to drive MCU system clock |
| 35–36, 38–40, 43–45 (VBAT2/GND/PA_BOOST/etc.) | RF Power & Ground Distribution | Separate VDD/ground rails for digital, analog, PA, and transceiver sections minimize noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Dual-Die Architecture | MCU and transceiver share substrate with internal SPI and DIO interconnects - eliminates external RF routing and reduces BOM by ≥7 passive components |
| Regulated RF Power Outputs | VR_PA, VR_ANA, VR_DIG pins provide isolated, filtered supplies - enable stable RF performance across 1.8–3.6 V supply range |
| Ultra-Low-Power Operation | VLLS0 mode draws 100 nA with SRAM off and LLWU active - extends battery life to >10 years in periodic wake-up sensor applications |
| Worldwide Regulatory Compliance | FCC 15.247/249, ETSI EN 300 220, ARIB T-108/T-67 pre-certified - accelerates regional product certification |
| Hardware-Accelerated Security | Dedicated AES-128 engine in packet engine processes encryption/decryption inline - avoids CPU overhead and memory exposure of keys |
Applications
| Smart Utility Metering | Industrial Wireless Sensor Network |
|---|---|
Use Scenario: Battery-powered gas/water meters transmitting consumption data hourly via mesh or star topology. IC Role / Device Role / Timing Role: Standalone wireless node executing SMAC stack with autonomous wake-up, RF sensing, and encrypted payload transmission. Use Value: -120 dBm sensitivity and +17 dBm output enable >1 km range in urban environments; VLLS0 mode ensures 15-year battery life. | Use Scenario: Distributed temperature/pressure sensors in factory machinery monitoring vibration and thermal drift. IC Role / Device Role / Timing Role: Edge node acquiring analog signals via 16-bit ADC, performing local threshold detection, and transmitting alerts via sub-GHz link. Use Value: Integrated 16-bit ADC with DMA support captures high-fidelity waveforms; AES-128 secures maintenance logs against tampering. |
| Home Automation Hub | Wireless Security Panel |
Use Scenario: Central gateway aggregating Zigbee/Z-Wave traffic and bridging to sub-GHz cloud uplink using proprietary protocol. IC Role / Device Role / Timing Role: Protocol translator with UART-to-SPI bridge, running dual-stack firmware and managing channel arbitration. Use Value: Three UARTs (UART0/1/2) support simultaneous legacy device interfaces; 48 MHz CPU handles real-time packet reassembly. | Use Scenario: Battery-backed door/window contact sensor with tamper detection and encrypted alarm reporting. IC Role / Device Role / Timing Role: Ultra-low-power endpoint using LLWU to wake on GPIO interrupt, verify sensor state, and transmit AES-encrypted alert. Use Value: 100 nA VLLS0 current draw enables 10+ year operation on CR2032; built-in low-battery indicator prevents silent failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar sub-1 GHz wireless MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI CC1312R1F3 | ARM Cortex-M4F core, 352 KB Flash, integrated DC/DC, 20 dBm output, supports BLE + Sub-1 GHz concurrent operation | Better suited for multi-protocol gateways requiring BLE provisioning; higher power consumption in RX mode (5.7 mA vs. 16 mA) | Select when dual-band (BLE + Sub-1 GHz) or higher compute headroom is required; not drop-in due to different pinout and memory map |
| Silicon Labs EFR32FG14P232F256GM48 | ARM Cortex-M4, 256 KB Flash, +19 dBm output, proprietary Flex SDK, no integrated AES accelerator in hardware | Optimized for proprietary protocols with high TX power; lacks hardware AES - requires software implementation impacting latency and power | Prefer for high-output-power industrial telemetry where encryption is handled externally; requires PCB redesign and firmware porting |
Compared with USB-KW019032, CC1312R1F3 offers superior processing and multi-protocol flexibility but increases BOM cost and layout complexity, while EFR32FG14P232F256GM48 delivers higher RF output at the expense of cryptographic performance and software development effort - making USB-KW019032 optimal for cost-sensitive, AES-dependent, single-protocol sensor nodes.
Availability
USB-KW019032 is available at Aetrix Electronics and suitable for automated meter reading, wireless sensor networks, and home/building automation requiring stable component supply and long-term lifecycle assurance.
Supply support for USB-KW019032 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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in wireless MCUs and RF integration.
The MKW01 family - including USB-KW019032 - was designed specifically for ultra-low-power, regulatory-compliant sub-1 GHz wireless sensor nodes targeting utility, security, and industrial monitoring applications.
FAQ
What is the maximum RF output power of the USB-KW019032 and how is it configured?
The USB-KW019032 supports programmable RF output power from -18 dBm to +17 dBm in precise 1 dB steps. This is configured entirely in software via transceiver registers - no external PA biasing or matching network changes are needed. The PA_BOOST pin (41) enables high-power mode, and VR_PA (42) supplies regulated voltage to the power amplifier section. This flexibility allows designers to optimize range versus battery life without hardware modifications.
Does the USB-KW019032 require external crystals for both MCU and transceiver operation?
Yes - the USB-KW019032 requires two distinct crystal sources: a mandatory 32 MHz crystal connected to pins 46 (XTA) and 47 (XTB) for the transceiver's reference clock, and an optional 32.768 kHz crystal on pins 15–16 (XTAL0/EXTAL0) for the MCU's real-time clock. However, the transceiver's CLKOUT (pin 54) can be programmed to supply the MCU clock, enabling true single-crystal system operation when routed to pin 15.
How does the USB-KW019032 handle security for over-the-air firmware updates?
The USB-KW019032 includes a hardware-accelerated AES-128 engine embedded within its packet engine. During OTA updates, encrypted firmware images are received into the 66-byte FIFO, decrypted in-line by dedicated hardware, and written directly to Flash - eliminating CPU involvement and preventing key exposure in RAM. This ensures secure, low-overhead updates even on battery-powered nodes operating in VLLS0 mode.
What power modes are available on the USB-KW019032 and which one achieves the lowest active current?
The USB-KW019032 offers nine MCU power modes, with VLLS0 (Very Low Leakage Stop 0) achieving the lowest active current: 100 nA with SRAM fully powered off and only LLWU, LPTMR, RTC, and TSI functional. In this mode, the transceiver remains independently controllable - allowing wake-up via RF activity or GPIO event while maintaining minimal system leakage, critical for decade-long battery operation in remote sensors.
Can the USB-KW019032 operate in FCC 15.247-compliant 902–928 MHz band without external RF components?
Yes - the USB-KW019032's transceiver is fully integrated with a 16-tap FIR channel filter, high-selectivity front end (80 dB blocking immunity), and on-die synthesizer (61 Hz resolution). When paired with a matched 50 Ω antenna and basic decoupling capacitors on VBAT1/VBAT2, it meets FCC 15.247 spectral mask and spurious emission requirements out-of-box - eliminating baluns, filters, and matching networks required by discrete transceivers.
USB-KW019032 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Transceiver
- Frequency:
- 290MHz ~ 340MHz, 424MHz ~ 510MHz, 862MHz ~ 1.02GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- MKW01Z128
USB-KW019032 FAQ
1.How can I place an order for USB-KW019032 through Aetrix?
Please submit a Request for Quotation (RFQ) for USB-KW019032 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 USB-KW019032 reliable?
The price and inventory of USB-KW019032 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for USB-KW019032 is usually 5 days.
3.What payment methods are accepted for USB-KW019032?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for USB-KW019032 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for USB-KW019032?
USB-KW019032 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your USB-KW019032 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 USB-KW019032?
For technical support, including USB-KW019032 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your USB-KW019032 requirements.
6.How does Aetrix verify that USB-KW019032 is sourced from the original manufacturer or authorized distributors?
All USB-KW019032 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 USB-KW019032 meets industry standards.
7.What is the process for return or replacement of USB-KW019032?
All USB-KW019032 units undergo pre-shipment inspection (PSI). If there is an issue with USB-KW019032, 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 USB-KW019032 part is unused and in its original packaging.
Return procedure for USB-KW019032:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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