Consumer

STMicroelectronics

The B-G473E-ZEST1S Discovery kit, a part of the STMicroelectronics motor-control development platform, supports the ZeST and HSO algorithms. 

The B-G473E-ZEST1S is a control board featuring a STM32G473QET6 microcontroller in a ZeST Discovery pack. It works with a power board such as the STEVAL-LVLP01, an optional adaptor board such as the B-ZEST-ADAPT1, and an accessories package such as the B-MOTOR-PMSMA1. 

The B-G473E-ZEST1S control board is connected to the power board or adaptor board through an embedded V2 motor-control connector. The board can also operate with the X-NUCLEO-IHM08M1, X-NUCLEO-IHM09M1, or X-NUCLEO-IHM16M1 motor-driver expansion boards via a Morpho motor-control connector. 

The board includes an integrated STLINK-V3EC in-circuit debugger and programmer.

Power Integrations

The RDK-877 reference design describes an isolated flyback converter which provides a nominal output voltage of 12 V at 0.5 A load from a wide input-voltage range of 90 V to 305@nbsp;V ac, as well as an isolated zero-crossing detection signal. 

This power supply uses the LNK3306D from the LinkSwitch-TNZ family of ICs. The kit contains the complete power-supply specifications, bill-of-materials, transformer construction, circuit schematic and PCB layout, along with performance data and electrical waveforms.

 

Power Integrations

The RDK-866 reference design describes a non-isolated buck converter power supply with an input-line zero-crossing detection output signal. The nominal output is 5 V/500 mA across the input range of 90 V to 300 V ac. 

The system is powered by the LinkSwitch-TNZ IC controller. The LinkSwitch-TNZ family of ICs combines power conversion with lossless generation of an ac zero-crossing signal used typically for system clock and timing functions. The device incorporates a 725 V power MOSFET, oscillator, a high-voltage switched current source for self-biasing, frequency jittering, fast (cycle-by-cycle) current limit, hysteretic thermal shutdown, and output and input overvoltage protection circuitry in a monolithic IC. 

Designs using the highly integrated LinkSwitch-TNZ ICs are more flexible than discrete implementations, reducing component count by 40% or more. The key design goal is low cost, low audible noise and compact form factor for use in wireless and relay power supplies.

Infineon

The OPTIGA™ Trust M IoT Security Development Kit is the easiest way to develop and evaluate end-to-end security use cases for IoT devices. The kit enables designers to build prototypes of security applications and build full-featured IoT applications. The board includes:

  • OPTIGA Trust M security solution
  • PSoC™ 62, an Arm® Cortex®-M4/Cortex-M0+-based microcontroller
  • AIROC™ CYW43012, a low-power system-on-chip which supports dual-band 2.4 GHz and 5.0 GHz Wi-Fi®/Bluetooth® 5.0 networking

This development board is supplied with two ready-to-use security use cases:

  • Secured communication with AWS over MQTT using cryptography support from the OPTIGA Trust M
  • Secure, zero-touch cloud provisioning using a CIRRENT™ Cloud ID and the pre-provisioned X.509 certificate delivered with the OPTIGA Trust M

The kit is supported by the ModusToolbox™ design tool. The OPTIGA Trust M host library is available as open source code.

 

STMicroelectronics

The STEVAL-ILD003V1 demonstration board implements a low-cost analog dimmer using the TS820-600FP, a sensitive-gate silicon-controlled rectifier (SCR) thyristor. The dimmer can drive typical low-power lamps such as compact fluorescent or dimmable LED lights.

Through-hole technology is used for the most important components, such as an LC filter, gate resistor, and turn-on delay capacitor, to allow for modification of the board.

The STEVAL-ILD003V1 eliminates flickering thanks to its continuous current applied through the sensitive SCR gate. This dimmer could easily replace a standard low-cost analog triac light dimmer using a diac-controlled circuit.

The STEVAL-ILD003V1 is for use in Europe at a mains voltage of 220 V. A 110 V version, the STEVAL-ILD003V2, is for use in North America. 

Key features:

  • For 2-wire wall dimmers
  • Leading-edge control compatible with all lamp types commonly found on the market
  • Dimmable power range: 3 W to 350 W 
  • 60°C maximum ambient temperature 
  • Higher than 99% power efficiency at 350 W/230 V
  • Less than 0.5 W standby power losses
STMicroelectronics

The STEVAL-MKI231KA demonstration board provides a hardware platform for evaluating the STHS34PF80, an infrared motion and presence-detection sensor from STMicroelectronics. 

The demo board is connected through flat cable to a generic adapter board, the STEVAL-MKIGIBV5, to make it compatible with the STEVAL-MKI109V3 microcontroller board. An ad hoc plastic holder with a Fresnel lens (TMOS63-10) has been provided in the kit to enable the designer to verify the in-application performance of the device.

The STEVAL-MKIGIBV5 can be plugged into a standard DIL 24 socket. The kit supports the complete STHS34PF80 pin-out, and comes ready-to-use with the required decoupling capacitors on the power supply line.

This adapter is supported by the STEVAL-MKI109V3 motherboard, which includes a high performance 32-bit MCU functioning as a bridge between the sensor and a PC, on which it is possible to use the downloadable graphical user interface, or dedicated software routines for customized applications.

It is also possible to plug the board into an X-NUCLEO-IKS01A3, X-NUCLEO-IKS02A1 or X-NUCLEO-IKS4A1 board. The kit is supported by an X-CUBE-MEMS1 expansion software package for STM32 MCUs.

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