Allegro MicroSystems Europe's A3211 micropower, ultra-sensitive Hall-effect switch IC features an inverted output compared with the company's established A3212 device. The combination of a 2,5-3,5 V operating voltage range and a unique clocking scheme reduce the average operating power requirements to less than 15 μW with a 2,75 V supply.
Unlike other Hall-effect switches, either a north or south pole of sufficient strength will turn the output on.
The device includes, on a single silicon chip, a Hall-voltage generator, small-signal amplifier, chopper stabilisation circuitry, a latch, and a MOSFET output. Advanced BiCMOS processing is used to take advantage of low-voltage and low-power requirements, component matching, very low input-offset errors, and small component geometries.
The polarity independence and minimal power requirements means that these devices can easily replace reed switches for reliability and ease of manufacturing, while eliminating the requirement for signal conditioning.
Four package styles available provide magnetically-optimised solutions for most applications. Miniature low-profile surface-mount package types EH and EL (0,75 and 0,50 mm nominal height) are leadless; LH is a leaded low-profile SMD; and UA is a three-lead single-inline package for through-hole mounting.
For more information contact Simon Churches, Arrow Altech Distribution, +27 (0)11 923 9600, [email protected]
Analysis of switch-mode power supply: inductor violations Altron Arrow
Editor's Choice Power Electronics / Power Management
Common switch-mode power supply (SMPS) design errors are discussed, and their appropriate rectification is specified, with details on complications that arise with the power stage design of DC-DC switching regulators.
Read more...Microsoft Windows IoT on ARM Altron Arrow
Computer/Embedded Technology
This expansion means that the Windows IoT ecosystem can now harness the power of ARM processors, known for their energy efficiency and versatility.
Read more...Microchip introduces ECC608 TrustMANAGER Altron Arrow
Circuit & System Protection
To increase security on IoT products and facilitate easier setup and management, Microchip Technology has added the ECC608 TrustMANAGER with Kudelski IoT keySTREAM, Software as a Service (SaaS) to its Trust Platform portfolio of devices, services and tools.
Read more...SolidRun unveils new SoM Altron Arrow
AI & ML
SolidRun and Hailo has unveiled a game-changer for engineers and AI product developers with the launch of their market-ready SoM, which packs the cutting-edge capabilities of the Hailo-15H SoC.
Read more...An evolutionary step in customisable logic Altron Arrow
DSP, Micros & Memory
Microchip Technology is offering a tailored hardware solution with the launch of its PIC16F13145 family of microcontrollers, which are outfitted with a new Configurable Logic Block module.
Read more...MCU for battery-powered applications Altron Arrow
DSP, Micros & Memory
Included in ST’s family of devices is the STM32U031, an ultra-low-power MCU featuring an ARM Cortex-M0+ 32-bit core running at up to 56 MHz.
Read more...LoRaWAN-certified sub-GHz module Altron Arrow
Telecoms, Datacoms, Wireless, IoT
The STM32WL5M from ST Microelectronics is the company’s first LoRaWAN-certified module which incorporates two cores, one of them being a wireless stack to optimise the creation of sub-GHz applications.
Read more...Dual-port USB-C power delivery solution Altron Arrow
Power Electronics / Power Management
Infineon’s CYPD7272-68LQXQ is the tray packing option of the company’s dual-port USB-C power delivery solution and features an integrated dual-port USB-C PD + DC-DC controller.