Allicdata Part #: | BP5221A-ND |
Manufacturer Part#: |
BP5221A |
Price: | $ 0.00 |
Product Category: | Power Supplies - Board Mount |
Manufacturer: | ROHM Semiconductor |
Short Description: | DC DC CONVERTER 5V 2W |
More Detail: | Non-Isolated PoL Module DC DC Converter 1 Output 5... |
DataSheet: | BP5221A Datasheet/PDF |
Quantity: | 1000 |
Series: | BP5221 |
Packaging: | Bulk |
Part Status: | Obsolete |
Type: | Non-Isolated PoL Module |
Number of Outputs: | 1 |
Voltage - Input (Min): | 8V |
Voltage - Input (Max): | 38V |
Voltage - Output 1: | 5V |
Voltage - Output 2: | -- |
Voltage - Output 3: | -- |
Current - Output (Max): | 500mA |
Power (Watts): | 2W |
Applications: | ITE (Commercial) |
Features: | -- |
Operating Temperature: | -20°C ~ 70°C |
Efficiency: | 84% |
Mounting Type: | Through Hole |
Package / Case: | 9-SIP Module, 8 Leads |
Size / Dimension: | 1.10" L x 0.47" W x 0.77" H (28.0mm x 12.0mm x 19.5mm) |
Base Part Number: | BP522* |
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DC to DC converters are electronic devices used to convert a constant DC voltage, current, or power from one level to another. BP5221A is one type of DC to DC converter. In this article, the application field and working principle of BP5221A will be discussed in detail.
BP5221A is a 3-phase AC to DC converter capable of providing a regulated DC output voltage. It is designed specifically for applications where precision regulation of the output voltage is required, such as in cases of battery charging, solar applications, or other high current AC to DC conversion. It also provides a comprehensive range of input/output capabilities, making it suitable for a wide range of applications.
The application of BP5221A includes: e-sized and s-sized systems, telecom systems, communication equipment, instrumentation/test equipment, battery chargers, fuel cell systems, and solar systems. It features an adjustable output voltage, constant current/voltage operation, and programmable output over-current/short-circuit protection. It also features output current ripple of less than 2% (Peak-to-Peak) and output voltage stability without trimming, making it ideal for applications that require the highest level of precision.
The working principle of BP5221A is based on a basic power conversion topology known as the buck converter. The buck converter is a non-isolated, AC to DC converter that works by controlling the switching duty cycle of a switch, usually a power transistor. In the case of the BP5221A, the transistor is an insulated gate bipolar transistor (IGBT). The IGBT works by turning on and off very quickly to allow the inductor to build up a magnetic field and store the energy. When the switch is off, the stored energy is released into the output capacitor, causing the output voltage to increase. When the switch is on, the input is connected to the output and the output voltage drops. By controlling the switch\'s duty cycle, the output voltage can be precisely regulated at the desired level.
The output of the BP5221A is further enhanced by an Intelligent Control Unit (ICU) IC that monitors the output voltage and dynamically adjusts the IGBT\'s on/off duty cycle in order to maintain the regulated output voltage. The ICU is also responsible for controlling the soft start circuit, which ensures the converter starts up smoothly and safely. The ICU also features over-voltage and short-circuit protection, as well as input/output current sensing for precise control.
In conclusion, BP5221A is a high precision, multi-phase AC to DC converter capable of providing a precisely regulated DC output voltage. It provides a comprehensive range of input/output capabilities, making it suitable for a wide range of applications. Its performance is enhanced by the ICU, which dynamically adjusts the output voltage and monitors protection parameters. This makes it an ideal choice for applications that require high precision DC regulation.
The specific data is subject to PDF, and the above content is for reference
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