NXP Semiconductors NTP53321G0JHK
- Part No.:
- NTP53321G0JHK
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID Transponders, Tags
- Package:
- Datasheet:
-
NTP53321G0JHK.pdf
- Description:
- RFID NTAG5 XQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,082
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Product details
Overview
NTP53321G0JHK from NXP Semiconductors is an NFC Forum-compliant Type 5 Tag IC with integrated I2C master/slave interface, 2048-byte user EEPROM, SRAM buffer, and 128-bit AES mutual authentication - enabling secure, zero-power sensor bridging in batteryless industrial and smart-sensor systems.
For engineers reviewing the NTP53321G0JHK datasheet, NTP53321G0JHK pinout, NTP53321G0JHK application, or NTP53321G0JHK equivalent, this device delivers interoperable NFC-to-I2C bridging, energy harvesting up to 30 mW, configurable PWM/GPIO/event detection, and dual-interface security for commissioning, calibration, and firmware download in constrained environments.
Technical Context
The NTP53321G0JHK implements a dual-mode RF interface compliant with ISO/IEC 15693 (up to 60 cm range) and NFC Forum Type 5 Tag specifications, operating at 13.56 MHz with 64-bit UID. Its digital control unit supports transparent I2C master channel operation - allowing direct readout of I2C sensors without MCU intervention - alongside slave-mode I2C (100/400 kHz), SRAM pass-through mode, and session register-based runtime configuration.
Security architecture includes ECC-based reprogrammable originality signature, three-tier memory protection (no protection / 32-/64-bit password / 128-bit AES), and independent NFC/I2C interface disable controls. Power management enables hard power-down (<0.25 µA), energy harvesting output (VOUT), and HPD-triggered shutdown - all validated across –40 °C to 105 °C for EEPROM/SRAM/register access.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Standard | ISO/IEC 15693 & NFC Forum Type 5 Tag compliant - ensures interoperability with industrial readers and NFC smartphones. |
| User Memory | 2048 bytes EEPROM + 256 bytes SRAM - supports persistent sensor data storage and high-speed volatile buffering for PHDC/TNEP transfers. |
| I2C Interface | Master/slave configurable (NTP5332 variant only) - enables direct sensor readout without host MCU, reducing system BoM and power overhead. |
| Security | 128-bit AES mutual authentication + ECC originality signature - provides hardware-rooted trust for firmware integrity and supply-chain authenticity. |
| Energy Harvesting | VOUT configurable up to 30 mW - powers external sensors or logic from NFC field, enabling true zero-power sensing deployments. |
| Operating Temp | –40 °C to 105 °C (EEPROM/SRAM/register access) - qualified for industrial-grade reliability in harsh embedded environments. |
| Supply Range | 1.62 V to 5.5 V - supports wide-input voltage operation from harvested or battery sources. |
Pinout & Package
Package: XQFN16 (SOT1161-2), 3.0 mm × 3.0 mm × 0.45 mm, leadless, 16-terminal ultra-thin quad flat package.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 11 | GND | Ground reference for RF, digital, and power domains - must be connected to PCB ground plane. |
| 3–5, 13, 16 | N.C. | No internal connection - leave floating per datasheet guidance. |
| 6 | SDA/GPIO1/PWM1 | Multiplexed I2C data line, general-purpose I/O, or PWM output - configurable via CONFIG registers. |
| 7 | SCL/GPIO0/PWM0 | Multiplexed I2C clock line, general-purpose I/O, or PWM output - supports standard/fast-mode I2C timing. |
| 8 | ED/PWM0 | Event detection input or second PWM channel - triggers on external signal edges or generates timed pulses. |
| 9 | VCC | External power supply input - accepts 1.62–5.5 V; powers internal circuitry when not harvesting. |
| 10 | HPD | Hard power-down control - asserts low to force <0.25 µA standby current and disable all interfaces. |
| 12 | VOUT | Energy harvesting output - delivers configurable voltage (up to 30 mW) to external components. |
| 14–15 | LB / LA | Differential antenna connections - interface directly to printed loop antenna; impedance-matched for 13.56 MHz operation. |
Key Features
| Feature | Design Value |
|---|---|
| Transparent I2C Master Channel | Reads I2C sensors directly without MCU involvement - eliminates host processor in single-shot, zero-power measurement use cases. |
| Three-Region Memory Protection | Independent security levels per memory area (none / 32-bit password / 128-bit AES) - enables differentiated access control for config, user data, and credentials. |
| Pass-Through Mode with SRAM | 256-byte SRAM buffer enables fast NFC ↔ I2C data exchange using standardized PHDC/TNEP protocols - reduces latency vs. EEPROM access. |
| Configurable PWM & GPIO | Two PWM channels and two GPIOs multiplexed on I2C pins - supports LED dimming, sensor biasing, or event-driven actuation without extra ICs. |
| ECC-Based Originality Signature | 32-byte reprogrammable signature verifiable by host - prevents counterfeiting and enables chain-of-custody validation in production and field deployment. |
Applications
| Smart Sensor Calibration | Industrial Firmware Download |
|---|---|
Use Scenario: Factory-floor calibration of temperature/humidity sensors before final assembly. IC Role / Device Role / Timing Role: Acts as NFC-accessible bridge between calibration station and I2C sensor - reads raw values, writes trim coefficients, and stores calibrated parameters in protected EEPROM. Use Value: Eliminates wired programming fixtures; enables one-tap parameterization with full AES-authenticated write protection against unauthorized changes. |
Use Scenario: Field update of firmware on sealed industrial controllers without opening enclosures. IC Role / Device Role / Timing Role: Provides secure NFC interface to load encrypted firmware images into external flash via I2C master channel - authenticated using 128-bit AES keys stored in locked configuration memory. Use Value: Reduces service downtime and avoids costly physical access; supports over-the-air updates with cryptographic integrity verification. |
| LED Driver Configuration | Authenticity Check & Data Protection |
Use Scenario: Dynamic configuration of RGB LED brightness and color profiles in smart lighting fixtures. IC Role / Device Role / Timing Role: Stores driver-specific PWM duty cycles and gamma correction tables in user EEPROM - accessed via NFC tap during installation or maintenance. Use Value: Enables rapid, tool-free setup of lighting zones; leverages SRAM pass-through mode for real-time parameter adjustment without EEPROM wear. |
Use Scenario: Verifying genuine components in medical or automotive subsystems before system integration. IC Role / Device Role / Timing Role: Host reads ECC-based originality signature and validates it against known public key - confirms chip authenticity and detects cloned parts. Use Value: Prevents counterfeit infiltration; supports traceability through supply chain with customer-programmable signature and CID fields. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC-to-I2C bridge applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NTP53121G0JHKZ | Lacks I2C master channel and 128-bit AES; supports only I2C slave mode and 32-/64-bit password security. | Suitable for basic NFC read/write of sensor data where MCU handles I2C polling - not for zero-MCU sensor bridging. | Select when cost sensitivity outweighs need for transparent master functionality and highest-tier authentication. |
| ST25DV04K | Offers I2C slave + RF EEPROM but no I2C master, SRAM buffer, or AES; uses ST's proprietary RF protocol (not NFC Forum Type 5). | Requires custom reader firmware; limited to short-range NFC interactions without ISO/IEC 15693 long-range compatibility. | Choose for legacy ST ecosystem integration where NFC Forum compliance and dual-range operation are non-critical. |
Compared with NTP53321G0JHK, NTP53121G0JHKZ omits transparent I2C master and AES, limiting autonomous sensor access, while ST25DV04K lacks NFC Forum Type 5 compliance and SRAM pass-through - making NTP53321G0JHK the only option supporting zero-power, standards-based, authenticated NFC-to-I2C bridging.
Availability
NTP53321G0JHK is available at Aetrix Electronics and suitable for smart sensor calibration, industrial firmware download, and LED driver configuration requiring stable component supply, lifecycle continuity, and traceable sourcing for OEM and industrial design programs.
Supply support for NTP53321G0JHK 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications - with deep expertise in NFC, RFID, and secure microcontrollers.
NTP53321G0JHK belongs to the NTAG 5 link product line, engineered specifically to enable NFC-based commissioning, parameterization, and secure data acquisition in resource-constrained, batteryless sensor systems.
FAQ
What is the primary function of the NTP53321G0JHK in a sensor system?
The NTP53321G0JHK serves as an NFC-to-I2C bridge that enables contactless, zero-power communication between NFC devices (e.g., smartphones) and I2C sensors. It supports transparent I2C master mode to read sensor data directly - eliminating the need for a host MCU - and stores calibrated parameters in its 2048-byte EEPROM. This makes NTP53321G0JHK ideal for factory calibration, field configuration, and secure firmware updates in industrial and smart-sensor applications.
Does the NTP53321G0JHK support both NFC and ISO/IEC 15693 readers?
Yes, the NTP53321G0JHK is fully compliant with both NFC Forum Type 5 Tag specifications and ISO/IEC 15693 standards. It operates at 13.56 MHz and achieves reading distances up to 60 cm with ISO/IEC 15693 industrial readers, while maintaining full interoperability with standard NFC-enabled smartphones in proximity range. This dual-mode capability allows NTP53321G0JHK to support factory programming (long-range) and end-user interaction (short-range) within the same device.
How does the energy harvesting feature of the NTP53321G0JHK work?
The NTP53321G0JHK harvests energy from the NFC reader's RF field via its LA/LB antenna terminals and delivers a regulated output voltage on the VOUT pin - configurable up to 30 mW. This harvested power can supply external sensors, LEDs, or logic circuits, enabling truly batteryless operation. The NTP53321G0JHK itself functions in zero-power mode during NFC transactions, drawing all required energy from the field - making NTP53321G0JHK suitable for maintenance-free, long-lifecycle sensor deployments.
What security mechanisms does the NTP53321G0JHK provide for memory access?
The NTP53321G0JHK implements multi-layered security: 32-/64-bit password protection, 128-bit AES mutual authentication (NTP5332 variant only), and ECC-based reprogrammable originality signature. Memory is divided into three areas - user EEPROM, configuration memory, and SRAM - each with independent protection settings. Access to NFC and I2C interfaces can be disabled separately, and privacy mode prevents unintended reads. These features ensure that NTP53321G0JHK meets stringent requirements for firmware integrity, data confidentiality, and supply-chain authenticity.
Can the NTP53321G0JHK operate without an external power supply?
Yes, the NTP53321G0JHK is designed for batteryless operation. It draws all operating power from the NFC/RF field during communication (energy harvesting mode) and requires no external VCC supply for basic NFC read/write or I2C slave operations. When VCC is absent, the device remains functional for NFC transactions and I2C slave access - though VOUT energy harvesting and certain advanced features (e.g., SRAM retention) require sufficient field strength. This zero-power capability is a core design objective of the NTP53321G0JHK.
NTP53321G0JHK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Style:
- -
- Technology:
- -
- Frequency:
- 13.56MHz
- Memory Type:
- Read/Write
- Writable Memory:
- 16kb (User)
- Standards:
- ISO 15693, NFC
- Operating Temperature:
- -40°C ~ 85°C
- Size / Dimension:
- 0.071" L x 0.102" W (1.80mm x 2.60mm)
NTP53321G0JHK FAQ
1.How can I place an order for NTP53321G0JHK through Aetrix?
Please submit a Request for Quotation (RFQ) for NTP53321G0JHK 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 NTP53321G0JHK reliable?
The price and inventory of NTP53321G0JHK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NTP53321G0JHK is usually 5 days.
3.What payment methods are accepted for NTP53321G0JHK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NTP53321G0JHK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NTP53321G0JHK?
NTP53321G0JHK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NTP53321G0JHK 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 NTP53321G0JHK?
For technical support, including NTP53321G0JHK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NTP53321G0JHK requirements.
6.How does Aetrix verify that NTP53321G0JHK is sourced from the original manufacturer or authorized distributors?
All NTP53321G0JHK 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 NTP53321G0JHK meets industry standards.
7.What is the process for return or replacement of NTP53321G0JHK?
All NTP53321G0JHK units undergo pre-shipment inspection (PSI). If there is an issue with NTP53321G0JHK, 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 NTP53321G0JHK part is unused and in its original packaging.
Return procedure for NTP53321G0JHK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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