The annual International Integrated Circuit Exhibition opened in Shenzhen recently. Shengbang Microelectronics participated in the exhibitions in Shenzhen, Beijing and Shanghai with several new products launched in 2007, including parallel white LED driver SGM3110, high speed. Single-pole double-throw analog switch SGM3157, 150mA RF low-dropout linear regulator SGM2005 and 200MHz three-channel video driver SGM9117.
Parallel white LED driver is a new product series launched by Shengbang. SGM3110 is the first product in the series. Its input voltage range is 2.7~5.0V, output voltage is 5V, quiescent current is 60μA, shutdown current For 0.2μA, the output voltage ripple is 15mVp-p, the efficiency is 91%, the switching frequency is 750kHz, the SHDN high level is 1.4V, the SHDN low level is 0.4V, and the Vout startup time is 0.3ms. Can be widely used in mobile phones, digital cameras, handheld electronic devices, LED backlight drivers, digital camera flash drives, portable communication devices, MP3, GPS receivers, PDA and many other fields.
SGM3157 is a high-speed single-channel single-pole double-throw analog switch newly introduced by Shengbang in 2007. Its operating voltage range is 1.8~5.5V, the supply current is 5μA, the on-resistance is 4.5Ω, the bandwidth is 300MHz, logic control The high level is 1V, the logic control low level is 0.5V, the turn-on time is 20ns, and the turn-off time is 15ns. Can be widely used in portable devices, battery-powered devices, computer peripherals, mobile phones, PDAs, MP3 and other fields.
SGM2005 is a new RF low-dropout linear regulator introduced by Shengbang in this year. Its input voltage is 2.5~5.5V, and it has a variety of fixed output voltages: 1.8V, 2.5V, 2.8V, 3.0V and 3.3V. . The output voltage noise is typically 30μVRMS, with a quiescent current of 77μA at zero load and 150μA at 150mA output. Can be applied to mobile phones, cordless phones, PHS phones, PCMCIA cards, modems, MP3, handheld devices, handheld computers, electronic planners, handheld battery-powered devices and other fields.
The SGM9117 is a new three-channel video driver from Shengbang this year. It has a power supply voltage of 2.5~5.5V, a fixed gain of 6dB, a bandwidth of 200MHz, a slew rate of 300V/μs and a quiescent current of 27.5mA. Can be widely used in video amplifiers, cable drives, satellite set-top boxes, communication systems, handheld devices, PVR (personal video recorders), DVD players, HDTVs and projectors.
Source: Electronic Engineering
What is Industrial DTU? Industrial DTU characteristics and application field analysis
What is DTU?
A Data Transfer unit (DTU) is a wireless terminal device that converts serial port data into IP data or IP data into serial port data over a wireless communication network.
Second, industrial DTU characteristics?
D220 is an industrial 4G DTU based on 4G wireless network, the product uses high-performance industrial embedded processor, real-time operating system as the software support platform, to ensure that the data link is smooth at any time, to provide users with high-speed, stable and reliable data transmission. It can be easily and quickly arranged in the industrial site, and can be used in harsh environments.
Hardware features:
Anti-interference design, suitable for harsh electromagnetic environment application requirements
Wide voltage power supply design, support DC5V-35V power input, built-in power reverse protection and overvoltage and overcurrent protection
The serial port can be a service serial port or a data serial port
Supports the many-to-many link configuration between the service serial port and the center
Select industrial-grade devices and optimize electromagnetic compatibility design to meet the requirements of harsh application environments
The D220 supports backward compatible 2G/3G network access based on 4G network.
Built-in hardware watchdog, regular detection mechanism, automatic resetting of abnormal equipment.
Complete industrial environment design requirements, all-metal structure, the whole machine has passed the strict electromagnetic compatibility test, CE certification
Software features:
Multi-center mode/Multi-backup mode (up to five multi-centers/backup centers)
Different serial ports can be used as maintenance or service serial ports, and different service serial ports can be connected to different multi-centers.
Multi-protocol upper development kit support (compatible with communication protocols of multiple DTU manufacturers, which can achieve seamless replacement of DTU)
Supports ICMP and LCP link detection technologies and keeps heartbeat alive, ensuring the stability and reliability of the network and communication
Supports local serial port upgrade and remote software upgrade
Supports TCP, UDP, DUTCP, DCUDP and other connection protocols
Supports multiple encryption modes to ensure secure data transmission
3. Application fields
D220 4G DTU conforms to industrial design, complete functions, stable transmission, widely used in environmental protection, water conservancy, meteorological industries; Industrial control field; Industry and special environment, oil and gas, heating industry, etc.
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