Signal conditioning
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enesas Electronics Corporation, a premier supplier of advanced semicon- ductor solutions, has introduced two semiconductor solutions for the rapidly growing IO-Link market: the CCE4511 four-channel IO-Link master IC and the ZSSC3286 - IO-Link ready, dual-channel resistive sensor signal conditioner IC.
IO-Link is a digital communication protocol that is used most widely in industrial automation appli- cations. As a standardised technology, it enables seamless communication between sensors, actu- ators, and other devices in an automation system. IO-Link has become increasingly popular in recent years due to its ability to provide real-time data and diagnostics and its ease of use and compatibility with existing systems. It also regulates and reduces wiring, enhances data availability, and offers remote configuration and monitoring. Market research firm Infogence Global Research estimates IO-Link will grow at over 20 per cent per year, reaching over USD 34B in 2028. As a leader in industrial auto- mation solutions, Renesas is committed to providing customers with innovative IO-Link solutions.
CCE4511 FOUR-CHANNEL IO-LINK MASTER IC
Renesas’ new CCE4511 is the industry’s first four- channel master IC for the IO-Link protocol with 500mA driving current for each channel and provides numerous advantages over two-channel master devices. It saves energy, reduces PCB size and requires fewer external components than competitive offerings. The CCE4511 offers a high-voltage interface along with overvoltage detection and over-current
SIGNAL CONDITIONER FOR THE GROWING IO-LINK MARKET
protection. To improve application performance, an integrated IO-Link Frame Handler is provided, which automates most of the lower layer commu- nication tasks. This reduces the microcontroller (MCU) loads significantly, thus gaining more performance for other tasks, and/or allowing designers to use a less expensive MCU. The CCE4511 has an ambient operating temperature of up to 125º C for harsh industrial environments. It also supports detection of ready pulses from IO-Link devices, which is required to fulfill the newly defined IO-Link Safety System Extension.
ZSSC3286 IO-LINK READY, DUAL- CHANNEL RESISTIVE SENSOR SIGNAL CONDITIONER IC
The ZSSC3286 is a dual path sensor signal condi- tioning IC (SSC) for highly accurate amplification, digitisation, and sensor-specific correction of sensor signals. It supports IO-Link connectivity with an integrated IO-Link stack running the IO-Link Smart Sensor Profile for digital measuring and switching sensors. The device is suitable for bridge and half- bridge sensors, as well as external voltage-source ele ments. Digital compensation of the sensor offset,
sensitivity, temperature drift, and non-linearity is accomplished via a 32-bit Arm-based math core running a correction algorithm with calibration coef- ficients stored in a non-volatile, reprogrammable memory. The programmable, integrated sensor front-end allows optimally applying various sensors for a broad range of applications.
ZSSC3286 is the first sensor signal conditioner with an integrated IO-Link compliant stack. Tradi- tionally, an additional microcontroller has been used to run the stack. The ZSSC3286 obsoletes the MCU, saving board space and costs. It also offers two parallel ADCs with up to 24-bit resolution, a measurement scheduler for optimised performance, and advanced system diagnostic functions. “Our large base of industrial customers has asked us for new solutions to take advantage of the IO-Link protocol,” says Leopold Beer, VP, Connec- tivity Sensor Division for Renesas. “These two new products both provide industry-leading performance and functionality for IO-Link applications, and we anticipate further offerings for this important market.”
Renesas Electronics Corporation
renesas.com
January 2025 Instrumentation Monthly
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