NHS3100UK/A1 - NTAG SmartSensor Temp Logger NFC IC | NXP
MPN: NHS3100UK/A1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.5 | $3.50 |
| 10 | $3.2 | $32.00 |
| 100 | $2.85 | $285.00 |
| 500 | $2.5 | $1,250.00 |
| 1,000 | $2.2 | $2,200.00 |
NHS3100UK/A1 Overview
A temperature logger IC is a specialized sensor-integrated system-on-chip that measures, stores, and communicates environmental temperature data without continuous external supervision. Within the power management and sensor signal chain hierarchy, it combines a temperature sensor, a microcontroller, nonvolatile logging memory, and a wireless (NFC/RFID) front end on a single die, functioning as both a passive transponder and an active data recorder for cold chain and condition monitoring systems.
Key features include the embedded Arm Cortex-M0+ processor, which lets developers implement custom logging algorithms and data formats; the NTAG-class NFC interface operating at 13.56 MHz with ISO/IEC 14443 compliance, allowing field data retrieval with any NFC smartphone; and a direct battery connection architecture that minimizes external component count. Per the NXP datasheet, the device supports a minimal-BOM, single-layer foil antenna solution.
Technically, the NHS3100 integrates the temperature sensing channel, digital IOs, I2C and SPI interfaces, and SWD debug access alongside the RF front end. The Cortex-M0+ core executes user firmware for threshold detection, sampling scheduling, and data compression in logging memory, so the IC can run autonomously for months on a small coin cell while remaining fully addressable over NFC.
Typical applications include cold chain shipment monitoring for pharmaceuticals and food, temperature-logged medical transport and vaccine vial monitoring, and smart condition-monitoring labels where a smartphone reads the log wirelessly at the point of delivery.
A key design consideration is antenna tuning: the NFC front end expects a matched 13.56 MHz antenna on the PCB or foil, and layout directly influences read range. Battery selection must respect the 1.72 V minimum supply.
This page synthesizes distributor availability data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for NHS3100UK/A1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
NHS3100UK/A1Z
β Drop-Inπ Reference alternative (not in catalog)
NHS3100UK/A1,012
β Drop-Inπ Reference alternative (not in catalog)
NHS3100/A1X
β Drop-Inπ Reference alternative (not in catalog)
NHS3102
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
NHS3102UK
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
NHS3100UK/A1 Maximum Ratings & Electrical Characteristics
| Product Family | NTAG SmartSensor |
| Function | Temperature monitoring and logging IC |
| Core Processor | Arm Cortex-M0+ |
| NFC Frequency | 13.56 MHz |
| RF Standard | ISO/IEC 14443 |
| Supply Voltage Range | 1.72 V to 3.6 V |
| Interfaces | I2C, SPI, SWD, Digital IO |
| Integrated Sensors | Internal temperature sensor |
| Battery Connection | Direct battery connection |
| Package | 25-UFBGA, WLCSP-25 |
| Terminal Form | Ball (VFBGA, square) |
| Number of Terminals | 25 |
| Mounting Type | Surface Mount |
| Temperature Grade | Industrial |
| RoHS Status | Compliant |
NHS3100UK/A1 25-ufbga, wlcsp-25 Pin Configuration Guide
Pin configuration for NHS3100UK/A1 (25-ufbga, wlcsp-25 package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for NHS3100UK/A1.
Refer to the datasheet for full pin configuration.
Typical Applications
NHS3100UK/A1 is suitable for 6 applications: Pharmaceutical Cold Chain Monitoring, Food Shipment Temperature Logging, Vaccine Vial and Medical Transport Monitoring, Smart Condition-Monitoring Labels, Asset Tracking and Authentication, Industrial Equipment Thermal History Logging.
Pharmaceutical Cold Chain Monitoring
The NHS3100UK/A1 fits pharmaceutical cold chain monitoring because its internal temperature sensor, autonomous Arm Cortex-M0+ logging firmware, and direct battery connection allow a self-contained logger to ride inside a shipment without any external acquisition hardware. The 1.72 V to 3.6 V supply range spans a coin cell's full discharge curve, enabling months of unattended recording. Placed on a smart label with a printed or single-layer foil 13.56 MHz NFC antenna, the IC logs temperature history per a user-defined sampling schedule in firmware. At receiving, any ISO/IEC 14443 smartphone retrieves the log over NFC in seconds, supporting GDP-style excursion audits. Because the WLCSP-25 package is wafer-thin, it does not compromise label thickness or autoclave-style packaging constraints.
Recommended
Food Shipment Temperature Logging
In food logistics, the NHS3100UK/A1 provides low-cost per-unit temperature accountability that discrete logger hardware cannot match. The IC's integrated temperature sensor removes external sensing components, and the Cortex-M0+ firmware implements custom excursion thresholds and sampling intervals matched to perishable product requirements. The NFC interface at 13.56 MHz means warehouse staff can read the complete temperature history with a standard smartphone at the pallet or carton level, no dedicated reader infrastructure required. Its minimal-BOM design with a single-layer foil antenna supports disposable smart-label economics. Because the logger stores data in on-chip memory and remains addressable throughout transit, shipments can be verified at intermediate checkpoints, enabling rejection or rerouting decisions before spoilage reaches the consumer.
Recommended
Vaccine Vial and Medical Transport Monitoring
The NHS3100UK/A1 addresses vaccine transport monitoring, where temperature excursions outside the 2 C to 8 C band can destroy potency. The internal temperature sensor and firmware-defined alarm thresholds let the logger flag cumulative excursion time, not just single events, which health logistics protocols increasingly require. The 25-ball WLCSP package and direct battery connection enable form factors small enough for vial trays or secondary packaging. Data retrieval over the ISO/IEC 14443 NFC interface happens with any NFC smartphone, so last-mile couriers in any geography can verify cold chain integrity without special equipment. The industrial temperature grade of the IC package and the low external component count support sealed, disposable medical monitoring labels at scale.
Recommended
Smart Condition-Monitoring Labels
For smart labels beyond temperature, the NHS3100UK/A1's digital IOs, I2C, and SPI interfaces let designers attach simple external sensors such as humidity, tilt, or tamper switches while the Cortex-M0+ core fuses and logs all channels. The embedded processor gives product teams flexibility to implement proprietary logging formats, compression, and access-control logic, differentiating their label products without changing silicon. The 13.56 MHz NFC front end remains the consumer-facing readout, compatible with every modern smartphone. Per the NXP datasheet, this digital-interface architecture is a defining feature of the NTAG SmartSensor family. Because the IC draws from a direct battery connection with minimal BOM, label makers can integrate it into existing printing and laminating flows with single-layer foil antennas.
Recommended
Asset Tracking and Authentication
The NHS3100UK/A1 doubles as a condition-aware asset tag: its ISO/IEC 14443 NFC interface provides tap-to-authenticate identity, while the temperature history and user firmware add environmental provenance. This matters for high-value goods such as art, electronics, and industrial spare parts where proof of storage conditions affects warranty claims. The Cortex-M0+ firmware can enforce cryptographic-style challenge logic or simple secret comparison in on-chip memory. Because a single IC replaces an MCU, sensor, RF transponder, and memory, tag bill of materials stays low enough for broad fleet deployment. The WLCSP-25 package mounts on thin substrates, embedding invisibly in product packaging or documentation holders for lifecycle logging and verification.
Recommended
Industrial Equipment Thermal History Logging
On industrial equipment, the NHS3100UK/A1 records thermal exposure for warranty and maintenance analytics. The IC's internal sensor captures ambient or near-component temperature autonomously for months, powered by a small cell through the direct battery connection, while Cortex-M0+ firmware applies sampling policies suited to slow thermal processes. Maintenance technicians interrogate the logger with an NFC smartphone during routine rounds, extracting the temperature history without opening enclosures or connecting cables, since 13.56 MHz fields penetrate plastic housings. The I2C and SPI interfaces allow expansion to additional sensors where equipment monitoring needs more channels. Per the NXP datasheet, the minimal external component count and industrial temperature grade make the part appropriate for long-lifetime, low-maintenance embedded logging nodes.
Recommended
Recommended Products Summary
Engineering reference data for NHS3100UK/A1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | NHS3100UK/A1Z | NHS3100UK/A1,012 | NHS3102 | NHS3102UK |
|---|---|---|---|---|---|
| Package | WLCSP-25 (UFBGA-25) | WLCSP-25 (UFBGA-25) - same | WLCSP-25 (UFBGA-25) - same | WLCSP-25 - same | WLCSP-25 - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Processor | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| NFC Frequency | 13.56 MHz (ISO/IEC 14443) | 13.56 MHz (ISO/IEC 14443) | 13.56 MHz (ISO/IEC 14443) | 13.56 MHz (ISO/IEC 14443) | 13.56 MHz (ISO/IEC 14443) |
| Supply Voltage | 1.72 V to 3.6 V | 1.72 V to 3.6 V | 1.72 V to 3.6 V | 1.72 V to 3.6 V | 1.72 V to 3.6 V |
| Integrated Temperature Sensor | Yes | Yes | Yes | Yes | Yes |
| Integrated DAC / Analog Front End | No | No | No | Yes (10-bit DAC) | Yes (10-bit DAC) |
| Interfaces | I2C, SPI, SWD, Digital IO | I2C, SPI, SWD, Digital IO | I2C, SPI, SWD, Digital IO | I2C, SPI, SWD, Digital IO | I2C, SPI, SWD, Digital IO |
| Ordering Suffix Meaning | A1 (die/step variant) | Z = lead-finish/packing code | 012 = tape-and-reel packing | base ordering code | UK = packaging variant |
Key Differentiators
- Single-chip integration vs multi-chip alternatives (vs ST25DV-based discrete solutions)
- Programmable Cortex-M0+ vs fixed-function NFC tags (vs NTAG213)
- Upgrade path within the family (vs NHS3102)
Design Notes
NFC antenna design dominates real-world performance. The NHS3100 expects a matched 13.56 MHz antenna; the NXP datasheet supports a single-layer foil antenna for label products. Keep antenna traces away from battery metal and dense ground copper, and match the antenna to the front end per the NXP antenna design application note (AN11983-class guidance from the NXP NFC reader/antenna portfolio). Verify read range with the actual battery and enclosure installed, since a coin cell near the loop can detune the antenna by several percent and cut range noticeably.
Battery selection must respect the 1.72 V minimum supply across the entire field life, including temperature extremes and load transients during RF field activation. A CR2032-style lithium coin cell starting at 3 V can sag below the minimum near end of life; use firmware to monitor supply and stop logging before undervoltage corrupts records. Because the NHS3100 uses a direct battery connection, include appropriate cell-contact protection in label assembly to avoid intermittent brownouts during shipment vibration.
Place the WLCSP-25 device so the temperature sensor sees representative thermal mass: avoid mounting directly over hot components or within the airflow shadow of shields in fixed installations. Keep the SWD debug balls on probe-accessible testpoints even in production labels, since factory firmware flashing and calibration rely on them. Decouple the supply per the NXP datasheet reference design with a ceramic capacitor close to the supply ball; the layout is compact at 25 balls, so reflow profile and stencil design for WLCSP land pattern must follow the package outline chapter.
Ordering-code confusion is the most common sourcing error: NHS3100UK/A1, NHS3100UK/A1Z, and NHS3100UK/A1,012 are the same die with different packing/finish codes, while NHS3102 variants add a DAC and are a functional superset. Confirm the exact ordering code with your distributor early. Also note some older codes have shown factory order-hold status at certain distributors, so qualify at least one ordering suffix in advance for production continuity.
Compliance Information
RoHS compliance and lead-free finish indicated by NXP product page environmental data and Z-suffix plating code; detailed REACH/halogen status available via NXP environmental reporting portal.
