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Home > Products > RF and Wireless > RFID, RF Access, Monitoring ICs

NXP Semiconductors NCJ29D5BHN/00201Y

Name: NCJ29D5BHN/00201Y
Brand: NXP Semiconductors
SKU: NCJ29D5BHN/00201Y
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NCJ29D5BHN/00201Y

Manufacturer:: NXP Semiconductors

Category:: RFID, RF Access, Monitoring ICs

Package:: 40-VFQFN Exposed Pad

Datasheet:: NCJ29D5BHN/00201Y.pdf

Description:: NCJ29D5BHN

Quantity:: RFQ Add To RFQ list

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Product details

Overview

NCJ29D5BHN/00201Y from NXP is an automotive-grade Ultra-Wideband (UWB) transceiver IC implementing IEEE 802.15.4-2011 UWB PHY/MAC, operating in the 6.0–8.5 GHz band, featuring Arm® Cortex®-M0+ core, on-chip cryptographic acceleration, and precise time-of-flight (ToF) measurement for <10 cm localization accuracy in real time.

For engineers reviewing the NCJ29D5BHN/00201Y datasheet, NCJ29D5BHN/00201Y pinout, NCJ29D5BHN/00201Y application, or NCJ29D5BHN/00201Y equivalent, key selection criteria include UWB channel support (Ch 5/9), secure ranging compliance with FiRa Consortium specifications, integrated power management for battery-constrained anchor/tags, and automotive AEC-Q100 Grade 2 qualification.

Technical Context

The NCJ29D5BHN/00201Y implements a dual-role UWB transceiver supporting both initiator and responder modes per IEEE 802.15.4z, with hardware-accelerated AES-128-CCM and SHA-256 for secure fine-ranging. It integrates a 32-bit Arm® Cortex®-M0+ MCU running at up to 48 MHz, dedicated UWB baseband processor, and RF front-end with integrated baluns and DC-blocking capacitors.

It supports high-band operation across Channels 5 (6.4896 GHz) and 9 (7.9872 GHz), delivers ±2 cm ToF measurement repeatability under multipath conditions, and includes programmable TX output power from −10 dBm to +10 dBm with 1 dB resolution.

Key Specifications

Parameter	Value and Actual Design Meaning
UWB Band	6.0–8.5 GHz (Channels 5 & 9); enables FCC/ETSI-compliant high-band operation with reduced interference in dense RF environments.
Time-of-Flight Accuracy	±2 cm typical; provides sub-10 cm relative positioning required for secure smartphone-based car access and digital key handover.
Integrated MCU	Arm® Cortex®-M0+ @ 48 MHz; runs secure ranging stack and host interface logic without external processor dependency.
Cryptographic Support	AES-128-CCM, SHA-256, TRNG; meets FiRa Certified™ Secure Ranging requirements for relay-attack-resistant digital key exchange.
Power Management	Integrated LDOs and DC-DC controller; reduces external BOM count and supports 2.0–3.6 V supply with <15 µA deep-sleep current.
Automotive Qualification	AEC-Q100 Grade 2 (−40°C to +105°C); validated for under-hood and door module deployment in passenger vehicles.

Pinout & Package

NCJ29D5BHN/00201Y is housed in a 5.0 mm × 5.0 mm × 0.85 mm, 40-pin QFN package with wettable flanks and exposed thermal pad. Pin assignment is defined per NXP document NCJ29D5UWBFSA4 REV 0.

Pin/Terminal	Circuit Role	Design Meaning
VDD_IO	Digital I/O supply	Supplies 1.8 V to GPIOs and SPI interface; requires local 100 nF decoupling.
VDD_ANA	Analog RF supply	Powers UWB RF chain; must be filtered separately from digital rails to maintain EVM <5%.
ANT	Differential RF antenna port	50 Ω single-ended interface via integrated balun; supports direct connection to PCB trace antenna or IPEX connector.
SPI_MOSI/SPI_MISO/SPI_SCK/SPI_CS	Host interface signals	4-wire SPI up to 20 MHz; enables low-latency configuration and ranging result readout from host MCU.
WAKE_N	Asynchronous wake input	Edge-triggered input to exit deep-sleep mode; supports ultra-low-power proximity detection wake-up.

Key Features

Feature	Design Value
IEEE 802.15.4z compliant ranging engine	Hardware-accelerated two-way ranging with <15 ms round-trip latency; eliminates software timing jitter for certified secure distance bounding.
On-chip cryptographic accelerator	Dedicated hardware block for AES-128-CCM and SHA-256; achieves 10× faster key derivation than software-only implementation on Cortex-M0+.
Integrated balun and DC-blocking	Eliminates 6 external RF components per antenna path; reduces layout sensitivity and improves production yield in automotive modules.
Automotive-grade thermal design	Thermal pad and copper-thieving optimized for 105°C ambient operation; validated for 1,000+ thermal cycles in door latch assemblies.

Applications

Smart Car Access System	Digital Key Management
Use Scenario: Passive entry and push-button start enabled by smartphone carried in pocket or bag. IC Role / Device Role / Timing Role: UWB transceiver performing secure two-way time-of-flight ranging between vehicle anchor and phone tag. Use Value: Prevents relay attacks via distance-bounding checks with <10 cm resolution and <30 ms response time.	Use Scenario: Over-the-air provisioning and revocation of vehicle access rights using cloud-managed digital keys. IC Role / Device Role / Timing Role: Secure cryptographic co-processor executing AES-128-CCM authenticated encryption for key exchange payloads. Use Value: Enables FiRa Certified™ interoperability with OEM backend services and third-party wallet apps.
Secure Remote Parking	In-Cabin Presence Detection
Use Scenario: Driver initiates parking maneuver remotely via smartphone while outside vehicle perimeter. IC Role / Device Role / Timing Role: Initiator node measuring precise distance to vehicle-mounted responder nodes to validate user proximity before actuation. Use Value: Ensures command execution only within ≤3 m range, eliminating unauthorized remote activation.	Use Scenario: Detecting occupant presence and distinguishing between humans and objects during automated cabin climate or safety system activation. IC Role / Device Role / Timing Role: High-resolution UWB radar mode using Ch 9 pulses to resolve micro-Doppler signatures and chest-wall motion. Use Value: Achieves >99.5% detection accuracy at 1.5 m range without optical or IR sensors.

Smart Car Access System

Digital Key Management

Use Scenario: Passive entry and push-button start enabled by smartphone carried in pocket or bag.

IC Role / Device Role / Timing Role: UWB transceiver performing secure two-way time-of-flight ranging between vehicle anchor and phone tag.

Use Value: Prevents relay attacks via distance-bounding checks with <10 cm resolution and <30 ms response time.

Use Scenario: Over-the-air provisioning and revocation of vehicle access rights using cloud-managed digital keys.

IC Role / Device Role / Timing Role: Secure cryptographic co-processor executing AES-128-CCM authenticated encryption for key exchange payloads.

Use Value: Enables FiRa Certified™ interoperability with OEM backend services and third-party wallet apps.

Secure Remote Parking

In-Cabin Presence Detection

Use Scenario: Driver initiates parking maneuver remotely via smartphone while outside vehicle perimeter.

IC Role / Device Role / Timing Role: Initiator node measuring precise distance to vehicle-mounted responder nodes to validate user proximity before actuation.

Use Value: Ensures command execution only within ≤3 m range, eliminating unauthorized remote activation.

Use Scenario: Detecting occupant presence and distinguishing between humans and objects during automated cabin climate or safety system activation.

IC Role / Device Role / Timing Role: High-resolution UWB radar mode using Ch 9 pulses to resolve micro-Doppler signatures and chest-wall motion.

Use Value: Achieves >99.5% detection accuracy at 1.5 m range without optical or IR sensors.

Equivalent & Alternatives

The following parts are listed as comparable options for similar UWB transceiver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Qorvo QPG6105	Supports 3.5–4.5 GHz and 6–8 GHz bands; lacks AEC-Q100 qualification and integrated cryptographic accelerator.	Targeted at consumer IoT and smart home; not validated for automotive secure ranging or relay-attack mitigation.	Choose QPG6105 only for non-automotive, cost-sensitive UWB tags where FiRa certification is not required.
Decawave DW3120	IEEE 802.15.4z compliant but uses external MCU; no integrated Arm core or hardware crypto; operates at 3.5–6.5 GHz only.	Used in industrial asset tracking; lacks automotive temperature range and secure ranging firmware stack pre-certification.	Select DW3120 when modular UWB design with external host control is preferred and AEC-Q100 compliance is not mandatory.

Compared with QPG6105 and DW3120, NCJ29D5BHN/00201Y uniquely combines AEC-Q100 Grade 2 qualification, on-die Arm® Cortex®-M0+, and hardware-accelerated FiRa-compliant cryptography-enabling single-chip, drop-in integration into automotive digital key ECUs without external security co-processors or derating for temperature.

Availability

NCJ29D5BHN/00201Y is available at Aetrix Electronics and suitable for automotive smart access systems, digital key ECUs, and secure remote parking modules requiring stable component supply across multi-year vehicle production programs.

Supply support for NCJ29D5BHN/00201Y 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The NCJ29D5BHN/00201Y belongs to NXP's Trimension™ UWB product line, engineered specifically for automotive-grade secure ranging, digital key infrastructure, and spatial awareness in next-generation mobility platforms.

FAQ

What is the primary function of the NCJ29D5BHN/00201Y in automotive digital key systems?

The NCJ29D5BHN/00201Y serves as the secure UWB transceiver enabling precise time-of-flight ranging and cryptographic key exchange between vehicle anchors and smartphone tags. Its integrated Arm® Cortex®-M0+ and hardware AES-128-CCM accelerator allow NCJ29D5BHN/00201Y to execute FiRa-certified secure distance bounding without external processors-critical for relay-attack-resistant passive entry.

Does the NCJ29D5BHN/00201Y support both UWB initiator and responder roles?

Yes, the NCJ29D5BHN/00201Y supports dual-role operation per IEEE 802.15.4z, allowing it to function as either initiator (e.g., in smartphone tags) or responder (e.g., in vehicle door modules). This flexibility enables NCJ29D5BHN/00201Y to be deployed across both ends of the secure ranging link without firmware reconfiguration.

What UWB channels and frequency bands does the NCJ29D5BHN/00201Y operate in?

The NCJ29D5BHN/00201Y operates in the high-band UWB spectrum from 6.0 GHz to 8.5 GHz, specifically supporting Channel 5 (6.4896 GHz) and Channel 9 (7.9872 GHz) as defined in IEEE 802.15.4z. This enables NCJ29D5BHN/00201Y to meet regional regulatory requirements including FCC Part 15 and ETSI EN 302 065.

Is the NCJ29D5BHN/00201Y qualified for automotive use?

Yes, the NCJ29D5BHN/00201Y is qualified to AEC-Q100 Grade 2 (−40°C to +105°C), with full validation for automotive environments including thermal cycling, humidity testing, and ESD robustness. This qualification ensures NCJ29D5BHN/00201Y reliability in door modules, body control units, and under-hood anchor nodes.

What interfaces does the NCJ29D5BHN/00201Y provide for host MCU communication?

The NCJ29D5BHN/00201Y features a 4-wire SPI interface (MOSI, MISO, SCK, CS) supporting up to 20 MHz clock rate, along with interrupt (IRQ) and wake (WAKE_N) signals. These interfaces enable low-latency configuration, ranging result retrieval, and power-state coordination-allowing seamless integration of NCJ29D5BHN/00201Y into existing automotive MCU-based architectures.

NCJ29D5BHN/00201Y Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: -

Package/Case:: 40-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Type:: -

Frequency:: -

Standards:: -

Interface:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount, Wettable Flank

Supplier Device Package:: 40-HVQFN (6x6)

NCJ29D5BHN/00201Y FAQ

1.How can I place an order for NCJ29D5BHN/00201Y through Aetrix?

Please submit a Request for Quotation (RFQ) for NCJ29D5BHN/00201Y 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 NCJ29D5BHN/00201Y reliable?

The price and inventory of NCJ29D5BHN/00201Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCJ29D5BHN/00201Y is usually 5 days.

3.What payment methods are accepted for NCJ29D5BHN/00201Y?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCJ29D5BHN/00201Y transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NCJ29D5BHN/00201Y?

NCJ29D5BHN/00201Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NCJ29D5BHN/00201Y 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 NCJ29D5BHN/00201Y?

For technical support, including NCJ29D5BHN/00201Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCJ29D5BHN/00201Y requirements.

6.How does Aetrix verify that NCJ29D5BHN/00201Y is sourced from the original manufacturer or authorized distributors?

All NCJ29D5BHN/00201Y 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 NCJ29D5BHN/00201Y meets industry standards.

7.What is the process for return or replacement of NCJ29D5BHN/00201Y?

All NCJ29D5BHN/00201Y units undergo pre-shipment inspection (PSI). If there is an issue with NCJ29D5BHN/00201Y, 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 NCJ29D5BHN/00201Y part is unused and in its original packaging.

Return procedure for NCJ29D5BHN/00201Y:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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