Analogue / Linear / Mixed Signal ICs

Analog Devices has created a power sender and power receiver chip-set for single-pair Power-over-Ethernet (SPoE) that can deliver 52W to a load – neither IC handles any Ethernet data. “Combined with ADIN1100 and ADIN1110 10BASE-T1L industrial Ethernet solutions, customers can reliably transfer both power and data over one kilometre”, according to the company – for example, for industrial Ethernet-APL, which ...

Diodes has created a servo motor controller, complete with H-bridge mosfets and provision for potentiometer position feedback, for brushed dc motors in automotive manual headlight beam servos and industrial control servos. Called ZXBM5408Q, operation is over -40 to +125°C and 8 to 18V (45V transient survival), and up to 800mA (1.5A peak). It integrates voltage and temperature compensated internal references ...

Texas instruments has introduced a precision bi-directional current sense amplifier than can measure voltage drops across shunt resistors over a common-mode range of -5 to 110V, with survival across -20 to +120V. Bias current is 35µA within the operating range, and that operating range is independent of the 2.7 to 20V single rail supply voltage, from which 2.5mA is drawn. ...

NXP announced a pair of eight input analogue front-end ICs for factory automation at Electronica this morning. Both have inputs that can measure ±25V, with the NAFE71388 being nominally ‘high speed’ and the NAFE11388 ‘low power’. They both have the same block diagram, and connect to a host over a 32MHz SPI bus. CRC error detection is included, and there ...

Infineon has introduced an automotive current sensor IC, available in four pre-programmed current ranges: 25, 50, 75 or 120A. Called TLE4971, they are “ideal for on-board chargers, high-voltage auxiliary drives and charging applications”, according to the company. “Additionally, the sensor is also ideal for industrial applications including dc chargers for electric vehicles, industrial drives, servo drives and photovoltaic inverters.” Inside, ...

Renesas is aiming at powering automotive cameras with an ISO-26262 compliant multi-rail regulator IC – qualified to AEC-Q100 Grade 1. RAA271082 has a primary high voltage synchronous buck regulator, two secondary low voltage synchronous buck regulators and a low voltage LDO regulator. It offers four over-voltage and under-voltage monitors, I2C communications, a configurable general-purpose open-drain I/O pin and a dedicated ...

Advanced Linear Devices has introduced an IC that will balance four supercapacitors connected in series – to help prevent any of them being damaged by over-volting as they charge. Like other balance ICs in the company’s range, it does not use op-amps and a voltage reference. Instead it has four precision-trimmed mosfets that act as shunt regulators when connected gate-to-drain. ...

Microchip is aiming at smart metering with a family of microcontrollers and a power-line communication modem IC. The processors, nominally the PIC32CXMT family, have one or two Arm Cortex-M4F cores – all get a 200MHz application processor, and some get a 240MHz metrology processing core. The PIC32CXMTSH version in particular (see diagram) gets an ‘energy metering analogue front-end’ (EMAFE) as ...

Diodes is aiming at items-to-be-powered with a pair of USB Type-C PD3.0 PPS sink controllers – one easier to use and one more flexible. Applications are foreseen in home appliances, portable LED lights, portable smart speakers and cordless power tools. Both devices have built-in application firmware that automatically carries out USB PD 3.0 (v1.2) negotiation with a compliant charger to ...

Analog Devices has introduced ADIN2299, a multi-protocol industrial 10/100Mbit/s Ethernet switch, designed to operate in a star, line or ring topologies. “The platform was pre-certified so that the field device can operate in any of the supported industrial Ethernet networks,” according to the company. “The module contains everything needed to participate in a EtherCat, Profinet real-time and isochronous real-time, EtherNet/IP ...