Germany's Elmos has announced that it will be unveiled at the Munich Electronics Show in Shanghai on March 17-19. At that time, elmos will introduce a variety of LED lighting and motor drive series applications. Among them, for automotive LED lighting, elmos will focus on the introduction of headlights, taillights and interior lighting. The motor-driven solution can be applied to oil pumps, pumps, hydraulics, air-conditioning fans, engine cooling fans, headlight follow-up steering systems and valve control systems. Welcome to the Elmos booth E3, No. 3346
Switching Power Supply Constant Current LED Driver Series - E522.31/32/33/34
Based on the working principle of the switching power supply, the series of chips achieve high efficiency and high reliability constant current control strategy for automotive headlights, daytime running lights or rear fog lights. Its input voltage range is from 5V to 55V, and it can generate up to 60V output voltage in Boost mode. This series of products is divided into single-channel and dual-channel versions, achieving optimal cost performance for different product uses. In addition, its temperature range of -40 to +125 ° C is ideal for use in extremely harsh environments.
E522.3x Typical Application Circuit
Linear constant current LED driver series-E522.80/81/82/83/84/85/86/87
The range of products is based on a linear solution, the main application area is in automotive taillight lighting. Each chip is internally designed with three independent constant current sources. Each constant current source can drive LED currents ranging from 20mA to 150mA. In use, the user and their outputs can be connected in parallel to achieve a higher current output, resulting in an output current of up to 450mA. The chip can realize flexible topology. One method is to cascade multiple chips together to achieve overall cooperative work. In addition, it can work in single lamp mode, that is, one chip drives one or more LED strings. mode. It is worth mentioning that the chip also uses a patented technology to distribute the overall dissipated power to the PCB and achieve high current output on a small packaged chip.
E522.8X Typical Application Circuit
Three-phase full-bridge driver-E523.01
The solution can be used for driving BLDC motors and DC motors, including oil pumps, pumps, hydraulics, air conditioning fans, engine cooling fans, headlights with steering systems and valve control systems. The electronic control module with this solution has flexible dynamic programming features to provide accurate dead time for the motor drive. The chip has a wide input voltage range, operating from 7V to 28V, and static power consumption of only 20μA.
E523.01 Typical Application Circuit
72V Programmable DC Brushless Motor Controller - E523.52
The chip can work up to 72V, with built-in 16-bit microcontroller and special motor drive control unit for driving three-phase full-bridge NMOS motor drive unit. The maximum power of the motor can reach 1000W.
About Almers Semiconductor
Founded in 1984, Elmos Semiconductor (elmos) has long been committed to the development and production of system solutions based on semiconductor technology, with rich technical resources and design experience. The technical field covers the fields of mixed signal technology, motor control technology, sensing, and optoelectronic technology, and can provide tailor-made product design services for users. Products are mainly used in automotive, industrial control, medical equipment, security systems and other fields.
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