With a $99 evaluation kit/module, Texas Instruments aims to widen design-ins of its projection-based, ultra-compact display technology. By Graham Prophet @ eedesignnewseurope.com
Developers can, TI says, implement DLP (‘digital light processing’) display technology with almost any low-cost processor. The 0.2-inch DLP2000 chipset and $99 DLP LightCrafter Display 2000 evaluation module (EVM) now make it more affordable to make use of DLP technology and design on-demand, free-form display applications such as mobile smart TVs; pico projectors; digital signage; projection displays for smart homes, smartphones and tablets; and control panels and Internet of Things (IoT) display solutions.
TI packages DLP Pico projector display tech for “any low-cost processor” – [Link]
Alek Kaknevicius @ ti.com discuss about load switches and the advantages of intergrated switches over discrete ones.
The most common approach to load switching solutions is to use a Power MOSFET surrounded by discrete resistors and capacitors; however, in most cases using a fully integrated load switch has significant advantages. While both discrete and integrated load switching solutions perform the same basic function (turn on and turn off), distinctions exist, such as the transient behavior and total solution size. This application report highlights many drawbacks and limitations of a discrete switching solution and discusses how they can be overcome with an integrated load switch.
Integrated Load Switches versus Discrete MOSFETs – [Link]
Texas Instruments has announced the SimpleLink MCU platform, which is transforming the pace of product proliferation by uniting a robust set of hardware, software and tools under a single development environment.
The SimpleLink MCU platform offers a new software development kits (SDKs) based on a shared foundation of drivers, frameworks and libraries to enable scalability with 100% code reuse, which will reduce design time and allow makers to invest once and leverage across multiple products.
Developers will be able to choose from any of the 32-bit wired and wireless ARM-based MCU devices, making their products easily adapted to changing design or application requirements.
Features of SimpleLink SDK:
100 percent code compatibility across SimpleLink MCU portfolio
TI Drivers offers standardized set of functional APIs for integrated peripherals
Integrated TI-RTOS, a robust, intelligent kernel for complete, out-of-the-box development
POSIX-compatible APIs offer flexible OS/kernels support
Encryption-enabled security features
IoT stacks and plugins to add functionality to your design
At the same time, TI also announced a new generation of Wi-Fi chips and modules, the SimpleLink Wi-Fi CC3220 wireless MCU and CC3120 wireless network processor.
The CC3220 features a 80MHz Cortex-M4 application processor, with 256k of RAM and 1Mbyte of flash, and a network processor with a hardware crypto engine. While the CC3220 supports Wi-Fi, the range will be extended in the coming months with devices supporting Bluetooth Low Energy and sub GHz communications, as well as a Bluetooth LE/sub GHz dual band part.
“Developers need to ask what needs to be protected, what they are protecting against and what are the exposure points. The CC3220 provides more than 25 security enablers to handle such aspects as key management and code protection.” Mattias Lange, general manager of embedded connectivity solutions, noted.
The SimpleLink platform delivers the most security features, along with the broadest connectivity protocol support and advanced analog integration, combined with the industry’s lowest power wireless MCUs. Bringing together all of TI’s low-power, connected ARM MCUs, including MSP432™ devices, the platform offers:
Bluetooth® low energy: CC2640R2F and CC2640R2F-Q1 wireless MCUs
Dual-band (Sub-1 GHz and Bluetooth low energy): CC1350 wireless MCU
The CC3220 wireless MCU LaunchPad development kit [CC3220SF-LAUNCHXL] is available for $49.99 and the CC3120 wireless network processor BoosterPack plug-in module [CC3120BOOST] is available for $29.99. The CC3220 will be priced at $4.99 in 1,000-unit quantities.
You can learn more details and discover all SimpleLink processors, development kits and tools at the official website.
Intended for tasks such as monitoring IoT networks from a handheld device, Texas Instruments’ latest series of microcontrollers are single-chip Sub-1 GHz plus Bluetooth low energy ICs. By Graham Prophet @ www.edn-europe.com
As part of TI’s pin-to-pin and software compatible SimpleLink ultra-low power platform, the SimpleLink dual-band CC1350 wireless MCU enables developers to move from a three-chip solution to a single chip, while reducing design complexity, saving power, cost and board space. The CC1350 wireless MCU offers a range of up to 20 km on a coin cell battery for building and factory automation, alarm and security, smart grid, asset tracking and wireless sensor network applications.
Ultra-low power, dual-band wireless microcontrollers from TI – [Link]
Texas Instruments (TI) announced the Qi-Certified Wireless Power (WPC) v1.2 solution for 15-W operation wireless power transmission for Smart Phones, Tablets, and Other Handheld devices, Point-of-Sale devices and other custom wireless power applications.
Bq501210 supports Bi-directional Communication and fast charge operation with compatible receivers. The user is informed for the state of charge by 10 configurable LED codes that indicate also fault status.
If you’re not familiar with the term of wireless power transmission then let’s see how TI describes it in the datasheet. It basically consists of a transmitter and receiver coils. When the receiver coil is positioned on the transmitter coil with some distance (wireless), magnetic coupling occurs when the transmitter coil is driven. The flux is coupled into the secondary coil, which induces a voltage and current flows. The secondary voltage is rectified, and power can be transferred effectively to a load.
According to the datasheet, bq501210 supports multiple levels of protection against heating metal objects placed in the magnetic field.
TI provides an evaluation module bq501210EVM-756 costs 150$ with the following features:
WPC v1.2 15-W charging capability with bq55221 receiver.
5-W solution for WPC v1.1 receivers.
15-V to 19-V input and fixed operatiing frequency for full 15-W results.
12-V input for reduced power (> 10W) solutions.
Enchanced Foreign Object Detection (FOD) with FOD ping detecting objects prior to power transfer.
WPC v1.2 FOD, WPC v1.1 FOD and WPC v1.0 Parasitic metal Object Detection (PMOD).
Transmitter-coil mounting pad providing the corect ereceiver interface.
Compact power section design using the bq500100 NexFET power stage.
Wurth 760 308 141 transmitter coil with no magnet.
LED and audio indication of power transfer.
Bq501210 is available in 9*9mm 64-VQFN package and is priced at US$3.75 in 1,000-unit quantities.
Shawon Shahryiar @ embedded-lab.com introduces us to Tiva C series microcontrollers from TI.
The Tiva C series MCUs are high performance ARM Cortex M4F micros. Now what does that mean? Generally speaking the ARM Cortex M series is meant to be used in place of (or simply replace) regular microcontrollers like PICs and AVRs while the A series and R series are designed for application-specific and real-time purposes respectively. The “4” in the “M4F” means it has all of the features of ARM Cortex-M3 along with additional features like Digital Signal Processing (DSP) extensions. Likewise the “F” indicates the presence of a Floating Point Unit (FPU). Thus Tiva C micros are high-end ARM microcontrollers with DSP and FPU support.
EmbeddedLab introduces us TI’s Tiva C MCUs – [Link]
Jelmer Tiete has designed a development board for the TI CC2538, that is available at GitHub:
It’s a nice little system-on-chip with an ARM Cortex M3, 2.4 GHz 802.15.4 radio and it runs at 32 MHz. Perfect for all your favorite Internet Of Things (IOT) shenanigans. Contiki supports this chip pretty well, which means easy 6LoWPAN, RPL and CoAP support.
The DRV8871 is a brushed-DC motor driver for printers, appliances, industrial equipment, and other small machines. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that can control motors bidirectionally with up to 3.6-A peak current. The inputs can be pulse-width modulated (PWM) to control motor speed, using a choice of current-decay modes. Setting both inputs low enters a low-power sleep mode.