Industry leader in fiber optic solutions for industrial and automotive applications
Broadcom’s family of optical power converters, AFBR-POCxxx, provide 100% galvanic isolation for power delivery over optical fiber. In many cases, a regulated voltage is preferred along with the most optimum operating conditions. Implementing a commercially available buck voltage regulator results in a fixed voltage output from the OPC. The current delivered is solely determined by the input laser light. With 1.5W of laser light incident on the POC, up to 120 mA of current can be extracted at an operating voltage of 5.0V and a total power delivery of 600 mW. A future application note will describe a circuit design involving feedback from the POC to the laser enabling the laser current to be optimized to provide just the right amount of light and avoid overdriving the laser. This is the ultimate form of energy harvesting while also ensuring the most optimum operating conditions.
Innovative technologies for a new era of sensing
The new AFBR-S50 multipixel Time-of-flight (ToF) sensor is optimized for industrial distance measurement and gesture sensing with ambient light suppression of up to 200k Lux. Broadcom’s AFBR-S50 is a multipixel ToF sensor platform supporting up to 3,000 fps with up to 16 illuminated pixels out of 32. It is also suited for gesture sensing applications that require high speed measurement (with rates up to 3 kHz), and it is capable of providing accurate distance measurement of an object up to 10 meters with an accuracy always better than one percent.
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Industrial robotics solutions
Industrial manufacturing robots provide many benefits that companies require to stay competitive
The speed, repeatability and efficiency that industrial robots provide can increase productivity and profits, reduce costs and retain jobs. With no need to take breaks and the ability to work 24/7, a manufacturing robot can increase productivity dramatically. Higher rates of throughput mean higher profits.
Manufacturing robots help produce products much faster than traditional manufacturing methods by decreasing part cycle times. The very nature of these robots creates a leaner, more efficient manufacturing cycle. For example, an arc welding robot provides high quality weld seams, making the weld strong and the part more durable and because of high repeatability, reworking time is almost eliminated.
Broadcom offers a broad range of products for robotic applications found in industrial automation.
Absolute encoders are motion feedback devices that report positional information by generating a unique code for each position. When powered up, these absolute encoders do not require a home cycle even if the shaft is rotated while the power was switched-off. Absolute encoders are ideal in robotic applications which cannot afford movement during the power up sequence and where absolute positional information is critical.
In motor or servo control applications typically used in industrial robotics, accurate current measurement is a critical part of the control loop to ensure high efficiency and safe operation. Broadcom isolation amplifiers reject common mode noise and transients and provide the necessary insulation to meet safety standards and regulatory requirements for a cost-effective, low-noise solution in motor control current sensing.
Industrial robots are often part of a larger automated system found in modern production plants. Communication between individual robotic cells and to and from a central computer is increasingly done via Fast Ethernet networks. Broadcom fiber optic transceivers are ideal for this communication link due to their EMI immunity in industrial environments.
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Related Links and Documents
- Ensure Safe System Operation with Certified Isolator Devices
- Shunt Resistor Selection for High-Accuracy, Optically Isolated Sigma-Delta Modulator Current-Sensing Solution
- Protect IGBTs by Sensing Current Using Optical Isolation Amplifiers
- PCIM 2018 - Broadcom presents Isolated Sigma-Delta Modulators
- ACPL-352J: Design Guide
- Optical Power Components: Optimizing Optical Power Converter Output Application Note
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