BM1R00149F-E2 Integrated Circuits (ICs)

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PMIC stands for Power Management IC. It is a special type of integrated circuit (IC) that has become increasingly popular due to its cost-efficient design and ability to control low power electrical systems. AC/DC converters, offline switchers, and battery charge controllers are just a few types of power supplies which may contain PMICs to control their operations. The BM1R00149F-E2 is a type of AC/DC power converter designed for offline applications such as home appliances, lighting, motor drives and various low power electronic devices. It is a single-stage converter that helps to eliminate power loss associated with multi-stage conversion and offers a very high efficiency rate of up to 97%.The BM1R00149F-E2 contains a range of features that make it highly suitable for use in offline applications. It has an active-clamp reset control (ACRC) circuit, which helps to reduce input current during shuts down and reduces power consumption in standby mode. Moreover, it is equipped with a Constant-on-time (COT) control topology and integrated high side and low side MOSFETS, both of which help to minimize switching losses and thus give the BM1R00149F-E2 a very high efficiency rate.The BM1R00149F-E2 also has an integrated wave shaping (WES) circuit which helps to reduce the needed external components, enabling a simplified and cost-efficient system design. It also has wide input voltage range allowing it to be used in both low and high input voltage applications, such as those in mains-connected or battery powered systems.The BM1R00149F-E2 has a fixed or adjustable frequency that can be set up to 100kHz, and it supports a variety of protection functions, like over current protection and over temperature protection, to ensure long term reliability. It also supports is boost mode at various input voltage range, which helps to improve power density.The BM1R00149F-E2 is a very compact AC/DC converter with a package size of only 1573 mm² and a power density of up to 3.2W/mm². This makes it ideal for applications where space is limited, such as portable devices, automotive and medical applications.The working principle of the BM1R00149F-E2 is based on the constant-on-time (COT) control technology. When the external power is applied, the input rectifier circuit rectifies the input power and creates a rectified voltage at the VOUT terminal. This voltage is then converted into a controlled output voltage using the COT topology, which works by controlling the average switch current over each switching cycle. During this process, the input power is regulated and converted into a constant output voltage, while the BM1R00149F-E2 also monitors the output current to maintain regulation.The BM1R00149F-E2 is a very efficient and cost-effective AC/DC power converter, and its features make it an ideal choice for a wide range of offline applications. Thanks to its advanced COT topology, it provides a very high efficiency rate and helps to reduce the size and cost of the system. In addition, its wide input voltage range and variety of protection features boost system reliability while its WES circuitry simplifies system design.

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