Front End I News
Microchip introduces the industry’s first MCU with integrated 2D GPU and DDR2 memory for groundbreaking graphics capabilities
M
icrochip announces the 32-bit PIC32MZ DA microcontroller (MCU) family which is the
industry’s first MCU with an integrated 2D Graphics Processing Unit (GPU) and up to 32 MB of integrated DDR2 memory. This combination gives customers the ability to increase their application’s colour resolution and display size, up to 12 inches with easy- to-use microcontroller (MCU) based resources and tools including the MPLAB Integrated Development Environment (IDE) and MPLAB Harmony Software Framework.
The PIC32MZ DA family bridges the graphics performance gap between MCUs and microprocessor units (MPUs) for customers who want to stay in the familiar design environment of an MCU. The devices provide MPU-like graphics capabilities with the seamless integration and programming model of Microchip’s PIC32 and MPLAB IDE and Harmony software framework. These tools provide a visual graphics design environment, custom display driver creation, graphics libraries and an asset
converter that can take a custom graphic and optimise it for their chosen display size. Features of the new devices include: • Three-layer graphics controller capable of driving 24-bit colour Super eXtended Graphics Array (SXGA) displays • High-performance 2D Graphics Processing Unit (GPU)
• 32 MB integrated SDRAM or 128 MB
externally addressable SDRAM option providing expansive storage • Ample on-chip Flash, SRAM and connectivity option
The addition of DDR2 memory, a first for MCUs throughout the industry, enables 2x faster throughput and large graphics buffers and/or storage for increasingly complex communications protocol stacks and algorithms. The result is smooth, striking interfaces and fewer product variants in a crowded communications control market.
The PIC32MZ DA family is supported by
Microchip’s MPLAB Harmony Integrated Software Framework, MPLAB X Integrated Development Environment (IDE), MPLAB
XC32 Compiler for PIC32, MPLAB ICD 3 In-Circuit Debugger and MPLAB REAL ICE In-Circuit Emulation System.
www.microchip.com/ PIC32MZDA_Main681
New generation 1U programmable DC power supply series delivers 5kW output T
DK Corporation has announced the introduction of the TDK-Lambda Genesys+ series of high power density programmable DC power supplies - the 5kW, 1U model is the first in the series. Utilising DSP (Digital Signal Processing) technology, these next-generation units provide improved efficiency, performance and functionality over existing products available on the market at a competitive cost. The Genesys+ series addresses a very broad market, including component, aerospace and automotive testing, semiconductor fabrication, water treatment, plating and solar array simulation. Housed in a 1U high, 19” (483mm) wide rack package, the 5kW model offers the highest power density and, at less than 7kg, lightest weight in the industry (less than half the weight of comparable products). Five voltage models are available initially: 0-10V/500A, 0 20V/250A, 0- 30V/170A, 0-300V/17A and 0-600V/8.5A. The units can operate in constant current, constant voltage or constant power modes and offer internal resistance simulation. They can accept three-phase 170 to 265Vac, 342 to 460Vac or wide range 342 to 528Vac inputs, with active Power Factor Correction. Operating efficiencies are up to 93 per cent. In addition to doubling the power density over the existing Genesys 5kW 2U series, the Genesys+ offers many other significant advancements. These include a high contrast, wide viewing angle LCD display with user controllable brightness and dimming functions for improved readability and display life. Faster up and down programming response times speed up operation with user adjustable voltage and current slew rate control. Two user programmable output control pins (open drain) are
4 June 2017 Components in Electronics
available to activate external devices, such as load disconnect relays. Arbitrary waveform profiles, such as car battery simulation at vehicle start up, of up to 100 steps can be generated. These are stored in four memory cells and activated by commands from the communication ports or the front panel controls.
A new advanced parallel master/slave system, unique to TDK-Lambda, allows a multi PSU system to achieve dynamic response and ripple and noise performance comparable to that of a single power supply. Up to four Genesys+ units can be connected in parallel very simply by connecting a single data link cable between units and connecting the dc outputs in parallel. The master and slave units auto configure by detecting the parallel data connection and set their parameters accordingly. The master unit becomes the single point for programming, measurement and status of the total current of the paralleled system. The new series is compatible with both the TDK- Lambda Genesys and Z+ models, using the same communication protocols and signals. All functions can be programmed via the front panel or remotely using the LAN (LXI 1.5), USB 2.0 or RS232/485 communications interfaces, which are provided as standard (SCPI compliant). An isolated analogue control and monitoring interface (0-5 or 0-10V scale) is also provided. An optional GPIB (IEEE488) is available. Safety features include Safe/Auto Re-Start, Last Setting Memory and built-in protective functions. With Safe-Start configured, the power supply will return to its last operational settings after a power interruption but with the output disabled; while with Auto Re-Start, the power
supply returns to the last used operation settings after a power interruption. Last Setting Memory retains settings such as the output voltage/current, output on/off, OVP/UVL level, Fold-Back and Start-Up mode at each AC input turn-off sequence. Built-in protective functions include over voltage protection (OVP), under voltage limit (UVL), fold-back protection (FOLD) and over-temperature (OTP) protection.
Safety certifications include IEC/EN/UL 60950-1 with CE marking for the EMC, LV (low voltage) and RoHS Directives. The series conforms to the industrial environment IEC/EN61326-1 standard for conducted EMI, radiated EMI and EMC immunity.
www.uk.tdk-lambda.com/genesysplus www.cieonline.co.uk
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