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NXP Semiconductors NHS3152/A1Z
- Part No.:
- NHS3152/A1Z
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 24-VFQFN Exposed Pad
- Datasheet:
-
NHS3152/A1Z.pdf
- Description:
- IC RFID READER 13.56MHZ 24HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,423
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Product details
Overview
NHS3152/A1Z from NXP Semiconductors is a therapy adherence resistive monitor IC integrating an Arm Cortex-M0+ processor, NFC/RFID ISO 14443 Type A interface, six-channel analog I/O with flexible on-chip switch matrix, internal temperature sensor (±0.3 °C accuracy in 0–45 °C range), and ultra-low-power PMU supporting battery-off mode (<50 nA at 3.0 V). It enables single-layer foil-based pill usage monitoring with minimal external components.
For engineers reviewing the NHS3152/A1Z datasheet, NHS3152/A1Z pinout, NHS3152/A1Z application, or NHS3152/A1Z equivalent, this page delivers verified technical context for medical adherence system design-covering NFC-powered operation, resistive network sensing architecture, Arm M0+ programmability, thermal accuracy specs, and HVQFN24/WLCSP25 package options.
Technical Context
The NHS3152/A1Z implements a dual-power-source architecture with automatic VDDBAT/NFC field selection, enabling operation either from a 1.72–3.6 V battery or passive NFC coupling. Its analog subsystem features time-division multiplexed access to six analog inputs via a configurable switch matrix shared among ADC, DAC, CDC, and temperature sensor.
Power management includes four reduced-power modes (sleep, deep-sleep, deep power-down, battery-off), LDOs generating 1.2 V and 1.6 V domains, and brownout detection in the always-on domain. The Arm Cortex-M0+ core runs at up to 8 MHz (with 2% trimmed 8 MHz FRO) and supports SWD debug, NVIC with four priority levels, and vector table remapping.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+ running up to 8 MHz; enables firmware-customizable therapy logging logic |
| Memory | 32 kB flash + 4 kB EEPROM (320 B write-protected) + 8 kB SRAM; supports secure firmware storage and usage history retention |
| Analog Inputs | 6 configurable analog I/O pins (AN0_0 to AN0_5); support resistive network sensing for pill foil integrity detection |
| Temperature Sensor | ±0.3 °C absolute accuracy (0–45 °C); validates environmental conditions during medication storage and ingestion |
| NFC Interface | ISO 14443 Type A, NFC Forum Type 2 certified (ID 58524); enables contactless readout of adherence logs without battery drain |
| Power Modes | Battery-off mode draws <50 nA at 3.0 V; extends shelf life before first activation in smart pill packaging |
| I/O Capability | 12 GPIO pins with high-current sink drivers (20 mA on 4 GPIO + 2 I²C pins); drives external indicators or low-power actuators |
Pinout & Package
HVQFN24 (SOT616-3) package: 4 × 4 × 0.85 mm, thermally enhanced, leadless quad flat; 24-terminal layout optimized for compact medical foil integration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDBAT (Pin 7) | Primary supply input | Accepts 1.72–3.6 V battery; powers digital/analog domains when active and higher than NFC voltage |
| LA / LB (Pins 19–20) | NFC antenna terminals | Direct connection to printed coil; enables passive NFC powering and bidirectional data exchange |
| AN0_0–AN0_5 (Pins 17–18, 21–24) | Analog sensing inputs | Route resistive network voltages to on-chip ADC/CDC; support time-division multiplexing for multi-pill foil monitoring |
| PIO0_0/WAKEUP (Pin 1) | Deep power-down wake source | External LOW pulse ≥100 µs exits battery-off mode; critical for event-triggered log capture |
| RESETN (Pin 9) | Active-low reset input | Hardware reset with weak pull-up to VBAT or NFC voltage; ensures deterministic boot after power loss |
Key Features
| Feature | Design Value |
|---|---|
| Embedded NFC + Battery Dual-Power Operation | Enables zero-battery-consumption readout via NFC while retaining full functionality when battery-powered |
| Configurable Analog Switch Matrix | Allows dynamic routing of any AN0_x pin to ADC, DAC, CDC, or temperature sensor-enabling flexible resistive network topologies |
| Ultra-Low-Power PMU with Battery-Off Mode | <50 nA quiescent current preserves shelf life; ideal for pre-activated smart packaging with years of storage |
| Arm Cortex-M0+ with SWD Debug | Industry-standard programming and real-time debugging support simplifies custom adherence algorithm development |
| Integrated Temperature Sensing | On-die ±0.3 °C accuracy over 0–45 °C validates storage/ingestion environment compliance per regulatory requirements |
Applications
| Pill Bottle Adherence Tracking | Smart Blister Pack Monitoring |
|---|---|
|
Use Scenario: Integrated into plastic pill bottle cap with printed NFC antenna and resistive foil traces across dose compartments. IC Role / Device Role / Timing Role: NHS3152/A1Z senses foil continuity changes as doses are removed, timestamps events, and stores logs in EEPROM. Use Value: Enables tamper-evident, battery-free readout via smartphone NFC scan-no user interaction or charging required. |
Use Scenario: Embedded beneath conductive ink traces on pharmaceutical blister pack backing layer. IC Role / Device Role / Timing Role: NHS3152/A1Z monitors resistance shifts when foil is peeled, triggers timestamped log entry, and enters deep power-down between events. Use Value: Provides per-dose ingestion verification with <50 nA battery-off leakage-ensuring multi-year shelf life before first use. |
| Medical Device Compliance Logging | Remote Patient Monitoring Integration |
|
Use Scenario: Used in FDA-cleared inhaler or insulin pen to record actuation timing and environmental temperature. IC Role / Device Role / Timing Role: NHS3152/A1Z captures actuation events via GPIO edge detection, logs temperature at time of use, and encrypts data in flash. Use Value: Meets 21 CFR Part 11 audit trail requirements with unique device serial number and tamper-resistant memory. |
Use Scenario: Paired with Bluetooth gateway to transmit adherence summaries to cloud EHR systems. IC Role / Device Role / Timing Role: NHS3152/A1Z acts as local sensor hub-collecting resistive, thermal, and timing data-then transfers compressed logs via I²C to host MCU. Use Value: Reduces host MCU duty cycle and power consumption by offloading sensing, timestamping, and non-volatile storage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar therapy adherence monitoring applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ST25DV04K | NFC EEPROM only-no MCU, no analog sensing, no temperature sensor, no GPIO | Limited to passive NFC data storage; cannot perform resistive network analysis or local decision-making | Select when only NFC-accessible static log storage is needed and external host handles all logic |
| MAX32665 | Arm Cortex-M4F with BLE, no integrated NFC, no dedicated resistive sensing front-end, larger QFN40 package | Requires external NFC transceiver and analog signal conditioning; higher power and BOM cost | Select when BLE connectivity and higher compute throughput outweigh size, power, and integration advantages of NHS3152/A1Z |
Compared with ST25DV04K and MAX32665, NHS3152/A1Z uniquely integrates NFC, Arm M0+, analog sensing, and ultra-low-power PMU in a 4×4 mm HVQFN24-delivering complete therapy adherence functionality with minimal external components and zero active power during NFC readout.
Availability
NHS3152/A1Z is available at Aetrix Electronics and suitable for medical adherence packaging, smart pharmaceutical containers, and regulated patient-monitoring devices requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for NHS3152/A1Z 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 healthcare applications, with extensive expertise in NFC, ultra-low-power MCUs, and medical-grade mixed-signal ICs.
The NHS3152/A1Z belongs to NXP's therapy adherence monitor product line-designed specifically for battery-constrained, NFC-enabled pharmaceutical packaging that must meet stringent regulatory, reliability, and shelf-life requirements.
FAQ
What power sources does the NHS3152/A1Z support?
The NHS3152/A1Z supports dual power sources: an external 1.72–3.6 V battery connected to VDDBAT, and passive NFC field energy harvested via LA/LB terminals. Its automatic source selector prioritizes VDDBAT when both are present, and enables seamless switchover if one source fails. This dual-mode capability is fundamental to NHS3152/A1Z's role in smart pill packaging where battery-free readout and long-term logging coexist.
How does the NHS3152/A1Z achieve ultra-low power consumption in battery-off mode?
The NHS3152/A1Z achieves <50 nA current draw in battery-off mode through hardware-level power gating of all digital and analog domains except the always-on PMU block, which includes a 32 kHz timer and trigger detector. The NHS3152/A1Z retains its unique serial number and wake-up capability while consuming negligible current-enabling multi-year shelf life in sealed pharmaceutical packaging before first activation.
Can the NHS3152/A1Z directly measure resistive networks for pill foil integrity?
Yes-the NHS3152/A1Z includes six analog I/O pins (AN0_0 to AN0_5) connected to a flexible on-chip analog switch matrix shared among its ADC, CDC, and DAC. This allows direct measurement of resistance changes across printed foil traces without external components. The NHS3152/A1Z uses time-division multiplexing to sequentially sample multiple foil segments, making it purpose-built for resistive therapy adherence monitoring.
Is the NHS3152/A1Z NFC Forum certified?
Yes-the NHS3152/A1Z is NFC Forum Type 2 certified with certification ID 58524, issued on September 25, 2017. This certification confirms interoperability with standard NFC readers and smartphones for contactless data readout. The NHS3152/A1Z implements ISO/IEC 14443 Type A protocol and supports NFC-powered operation, ensuring reliable, battery-free access to adherence logs in clinical and home settings.
What debug interface does the NHS3152/A1Z provide for firmware development?
The NHS3152/A1Z provides Arm Serial Wire Debug (SWD) via dedicated SWCLK and SWDIO pins (PIO0_10 and PIO0_11), fully compatible with industry-standard Cortex-M0+ debug tools including Keil MDK, IAR Embedded Workbench, and open-source OpenOCD. This enables real-time firmware debugging, flash programming, and memory inspection-critical for developing and validating custom adherence algorithms on the NHS3152/A1Z platform.
NHS3152/A1Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 24-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- RFID Reader
- Frequency:
- 13.56MHz
- Standards:
- ISO 14443
- Interface:
- I2C, SPI
- Voltage - Supply:
- 1.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-HVQFN (4x4)
NHS3152/A1Z FAQ
1.How can I place an order for NHS3152/A1Z through Aetrix?
Please submit a Request for Quotation (RFQ) for NHS3152/A1Z 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 NHS3152/A1Z reliable?
The price and inventory of NHS3152/A1Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NHS3152/A1Z is usually 5 days.
3.What payment methods are accepted for NHS3152/A1Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NHS3152/A1Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NHS3152/A1Z?
NHS3152/A1Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NHS3152/A1Z 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 NHS3152/A1Z?
For technical support, including NHS3152/A1Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NHS3152/A1Z requirements.
6.How does Aetrix verify that NHS3152/A1Z is sourced from the original manufacturer or authorized distributors?
All NHS3152/A1Z 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 NHS3152/A1Z meets industry standards.
7.What is the process for return or replacement of NHS3152/A1Z?
All NHS3152/A1Z units undergo pre-shipment inspection (PSI). If there is an issue with NHS3152/A1Z, 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 NHS3152/A1Z part is unused and in its original packaging.
Return procedure for NHS3152/A1Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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