BTS52001ENAXUMA1 Integrated Circuits (ICs)

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The BTS52001ENAXUMA1 Power Management Integrated Circuit (PMIC) is a power distribution switch, load driver and voltage regulator developed by STMicroelectronics. The device is a three-phase, protected full-bridge driver. It operates from a battery or a wall power supply, switching between the two, allowing for reliable operation and protection from fault-generated currents and voltage variations. The device integrates a wide range of safety features, making it suitable for use in applications such as electric vehicles, white-goods, industrial automation and communications.

The device features a broad input voltage range of up to 36V, integrated Over-Voltage Protection (OVP) and Under-Voltage Protection (UVP) which detect short-circuit and overtemperature conditions. The device also features an integrated three-phase balanced load switch, allowing current sharing across the load, while maintaining the highest efficiency. It also integrates a high-gain amplifier to provide precise control over the output current, allowing the system to remain stable and to respond quickly to load variations throughout the full speed range.

The main features of the BTS52001ENAXUMA1 include high operating efficiency, with a peak efficiency of 97%, low power consumption and a wide range of protection features. The device also integrates high step-up performance, with a maximum output voltage of 56V, allowing for a high dynamic range and precise control over the output current. In addition, the device is capable of operating over extended temperature ranges and is compatible with a range of communication protocols for remote monitoring and control.

The BTS52001ENAXUMA1 is designed for applications such as motor drives in electric vehicles, battery-powered white-goods, robotic control and industrial automation. The device is suited to applications where high power efficiency and wide operating temperature range are essential. The integrated over-voltage and under-voltage protections ensure reliable operation in applications where faults may occur. In addition, the integrated three-phase balanced load switch allows for current sharing across the load, enabling high current sharing and improved system stability.

The working principle of the BTS52001ENAXUMA1 involves the conversion of an input voltage into a regulated voltage, while switching the load current to minimize the power losses. This is achieved by controlling the size of the load current based on the open-loop control voltage. During normal operation, the device measures the input voltage and compares it to the open-loop control voltage. If the measured input voltage is greater than the control voltage, the device will increase the size of the load current to reduce the voltage, thus reducing power losses.

The integrated over-voltage protection and under-voltage protection detect any faults in the system and switch off the device, preventing any damage from occurring. The device also features an integrated fault detection mechanism for monitoring the health of the system. The integrated monitoring and protection features ensure that any faults detected are automatically reported and dealt with.

In summary, the BTS52001ENAXUMA1 PMIC is a power distribution switch, load driver and voltage regulator developed by STMicroelectronics. The device offers a high level of flexibility and integration, with a broad input voltage range, integrated protection factors and support for remote monitoring and control. The device is suitable for a wide range of applications, such as electric vehicles, white-goods and industrial automation, where high efficiency and safety are essential. The device offers high levels of protection and precision, ensuring reliable operation even where faults may occur.

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