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Heat Cost Allocators (HCA)
Heat metering systems, also called heat cost allocators, are typically used in multi-resident buildings to optimally allocate heat cost based on usage. They estimate heat consumption by measuring the temperature difference between the room and the radiator with data wirelessly transferred to a central unit. Heat cost allocators are battery powered devices and thus low power design is essential to extend battery lifetime expectancy.
We have a large offering of ultra-low power 8 bits STM8L and STM32L 32 bits microcontrollers and ultra-low power sub-GHz connectivity solutions supporting WM-BUS and proprietary mesh protocols, as well as dual NFC/RFID interface tags for device pairing and temperature monitoring.
In addition we provide a comprehensive set of HW and SW evaluation and development tools to help design ultra-low power, cost effective heat meters.
Solutions
HW Eval Boards
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Part Number
Description
Quad high performance LDO evaluation board based on LDBL20, LDLN025, LD39130S and STLQ0202 A, 2 MHz, Vout = 3.3 V, high-efficiency dual-mode buck-boost DC-DC converter based on the STBB3JThe ST25-TAG-BAG-A contains six different items based on ST25TA02K and ST25TA64K, two NFC Forum Type 4 Tag ICs with, respectively, 2- and 64-Kbit EEPROMThe ST25-TAG-BAG-E contains eight different items based on ST25TA02K and ST25TA64K, two NFC Forum Type 4 Tag ICs with, respectively, 2-Kbit and 64-Kbit EEPROMDiscovery kit for ST25DV04 Dynamic NFC/RFID tag IC with fast transfer mode capabilitySTM32 Nucleo-64 development board with STM32L476RG MCU, supports Arduino and ST morpho connectivitySTM32 Nucleo-64 development board with STM32L152RE MCU, supports Arduino and ST morpho connectivity
Resources
Technical Documentation
Application Notes
| Description | Version | Size | |
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AN5085: Cycling endurance and data retention of EEPROMs in ST25DVxxx products based on CMOS F8H process | 2.0 | 306 KB |
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AN4653: Cycling endurance and data retention of high density EEPROM based on CMOS F8H process | 1.0 | 267 KB |
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AN4910: Data exchange between wired (I²C) and wireless (RF ISO 15693) using fast transfer mode supported by ST25DVxxx | 1.0 | 585 KB |
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AN4913: Energy harvesting delivery impact on ST25DVxxx behavior during RF communication | 1.0 | 1 MB |
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AN4503: Environmental sensors: Hardware abstraction layer for Android | 3.0 | 241 KB |
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AN2866: How to design a 13.56 MHz customized antenna for ST25 NFC / RFID Tags | 2.0 | 606 KB |
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AN2972: How to design an antenna for dynamic NFC tags | 8.0 | 1 MB |
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AN934: How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products | 4.1 | 123 KB |
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AN1216: Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs) | 2.0 | 192 KB |
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AN2648: Increasing the resolution of analog temperature sensors | 1.4 | 161 KB |
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AN923: Managing century information using serial real-time clocks and TIMEKEEPER® NVRAMs | 4.0 | 142 KB |
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AN4911: NDEF management with ST25DVxxx and ST25TVxxx products | 4.0 | 460 KB |
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AN576: PCB layout optimisation | 3.0 | 109 KB |
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AN5046: Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT™ packages | 3.0 | 5 MB |
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AN1019: Second source for SNAPHAT® using a dual footprint | 2.1 | 66 KB |
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AN4433: Storing data into the NDEF memory of M24SR | 2.0 | 507 KB |
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AN316: Transil™ clamping protection mode | 4.3 | 432 KB |
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AN4866: Water resistant features | 1.0 | 1 MB |
Technical Notes & Articles
| Description | Version | Size | |
|---|---|---|---|
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TN1198: Surface mount guidelines for MEMS sensors in HLGA packages | 1.0 | 128 KB |
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TN0018: Surface mounting guidelines for MEMS sensors in an LGA package | 6.0 | 214 KB |
Presentations & Training Material
Presentations
| Description | Version | Size | |
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EEPROM 2 Mbit highest density memories | 1.0 | 2 MB |
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IoT connectivity made easier with STM32 MCUs and LoRa | 1.3 | 2 MB |
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ST25DV-I2C product presentation | 2.2 | 2 MB |
Publications and Collaterals
Flyers
| Description | Version | Size | |
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60, 80 and 100 V STripFET™ F7 MOSFETs | 1.0 | 764 KB |
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Battery management ICs - STBC02/03 Li-Ion charger with load switches and smart reset generator | 04.2017 | 730 KB |
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NFC / RFID tags M24SR series | 2.0 | 1 MB |
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NFC /RFID tags ST25TA series | 2.0 | 1 MB |
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Power Delivery Protection - Simply cancel ESD and EOS events | 1.0 | 1 MB |
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S2-LP:Ultra-low-power, high-performance, sub-1GHz RF transceiver | 4.0 | 1 MB |
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ST Protection Finder - The new app for Android and iOS | 1.0 | 1 MB |
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ST25DV-I2C series - Dynamic NFC/RFID tags | 1.0 | 1 MB |
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ST25TV series - Tags for Consumer Engagement flyer | 1.1 | 1 MB |
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Ultra-low clamping voltage 0201 ESD diodes | 1.0 | 1 MB |
Selection Guides
| Description | Version | Size | |
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EEPROM selection guide | 2.0 | 843 KB |
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Linear and Switching Voltage Regulators Selection Guide | 3.0 | 370 KB |
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Protection devices and integrated EMI filtering selection guide | 2.0 | 743 KB |
Brochures
| Description | Version | Size | |
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Brochure Power management guide | 10.2018 | 4 MB |
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Power management for handheld and portable | 2.0 | 1 MB |
Tools & Software
Design Tools
Smart selectors
Development Tools
Software Development Tools
| Part Number | Manufacturer | Description |
|---|---|---|
| ST Protection Finder | ST | Protection product finder application for Android and iOS |
Embedded Software
Evaluation Tool Software
| Part Number | Manufacturer | Description |
|---|---|---|
| STSW-BCNKT01 | ST | Embedded software samples for BlueCoin: data streaming via USB and BLE, logging on SD card, gesture recognition, audio acquisition and playback |
| STSW-S2LP-SFX-DK | ST | Evaluation SW package based on S2-LP |
MCUs Embedded Software
| Part Number | Manufacturer | Description |
|---|---|---|
| FP-SNS-ALLMEMS1 | ST | STM32 ODE function pack for IoT node with BLE connectivity, digital microphone, environmental and motion sensors |
| FP-SNS-MOTENV1 | ST | STM32Cube function pack for IoT node with BLE connectivity and environmental and motion sensors |
| X-CUBE-MEMS-XT1 | ST | Sensor and DSP algorithm software expansion for STM32Cube |
| X-CUBE-MEMS1 | ST | Sensor and motion algorithm software expansion for STM32Cube |
| X-CUBE-NFC1 | ST | STM32Cube expansion software for X-NUCLEO-NFC01A1 |
| X-CUBE-NFC4 | ST | Dynamic NFC/RFID tag IC software expansion for STM32Cube |
| X-CUBE-SFOX | ST | STM32 Sigfox software expansion for STM32Cube |
MEMS and Sensors Software
| Part Number | Manufacturer | Description |
|---|---|---|
| C-Driver-MEMS | ST | Standard C platform-independent drivers for MEMS motion and environmental sensors |
ST25 - NFC / RFID Software
| Part Number | Manufacturer | Description |
|---|---|---|
| STSW-ST25001 | ST | Application executable of the "NFC Tap" Android app for ST25 product family |
| STSW-ST25DV001 | ST | Firmware for ST25DV-DISCOVERY kit |
| STSW-ST25IOS001 | ST | Application executable of the "NFC Tap" iOS app for ST25 product family |
| STSW-ST25SDK001 | ST | Software Development Kit for ST25 Tags and Dynamic Tags |
Key Products
Clocks and Timers
| Part Number | Description |
|---|---|
| M41T0 | Serial real-time clock (RTC) |
| M41T80 | Serial real-time clock (RTC) with alarm |
EMI Filtering and Signal Conditioning
| Part Number | Description |
|---|---|
| BALF-NRG-02D3 | 50Ω / conjugate match balun to BlueNRG transceiver, with integrated harmonic filter |
| BALF-SPI2-01D3 | 50 Ω nominal input / conjugate match balun to S2-LP,868 - 930 MHz with integrated harmonic filter |
MEMS and Sensors
| Part Number | Description |
|---|---|
| HTS221 | Capacitive digital sensor for relative humidity and temperature |
| STTS751 | 2.25 V low-voltage local digital temperature sensor |
Power Management
| Part Number | Description |
|---|---|
| LD39020 | 200 mA very low quiescent current Linear regulator IC |
| LD39130S | 300 mA very low quiescent current Linear regulator IC with automatic Green mode |
| LDK120 | 200 mA low quiescent current very low noise LDO |
| LDK130 | 300 mA low quiescent current very low noise LDO |
| STBC02 | Li-Ion linear battery charger with LDO, load switches and reset generator |
| STBC03 | Li-Ion linear battery charger with LDO and load switches |
| STLQ020 | 200 mA ultra-low quiescent current LDO |
| STNS01 | Li-Ion Linear Battery Charger with LDO |
Power Transistors
| Part Number | Description |
|---|---|
| STL120N8F7 | N-channel 80 V, 3.7 mOhm typ., 120 A STripFET F7 Power MOSFET in a PowerFLAT 5x6 package |
| STL150N3LLH6 | N-channel 30 V, 0.0016 Ohm typ., 33 A STripFET(TM) VI DeepGATE(TM) Power MOSFET in PowerFLAT(TM) 5x6 package |
| STL160N4F7 | N-channel 40 V, 2.1 mOhm typ., 120 A STripFET F7 Power MOSFET in a PowerFLAT 5x6 package |
| STL20N6F7 | N-channel 60 V, 0.0046 Ohm typ., 20 A STripFET F7 Power MOSFET in a PowerFLAT 3.3x3.3 package |
| STL50N6F7 | N-channel 60 V, 9 mOhm typ., 60 A STripFET F7 Power MOSFET in a PowerFLAT 5x6 package |
Protection Devices
| Part Number | Description |
|---|---|
| ESDA25P35-1U1M | High-power transient voltage suppressor (TVS) |
| ESDA7P120-1U1M | High-power transient voltage supressor (TVS) |
| SMAJ | 400 W TVS in SMA |
Wireless Connectivity
Support & Community
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