ASD2201-R

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The ASD2201-R evaluation board is a versatile development platform that enables the evaluation of the signal conditioning and pulse density modulation (PDM) features of the lithium nickel manganese cobalt (NMC) battery management ICs. It supports both Type-C and USB-PD communication standards, and provides full-speed 1:1 gateway communication with the main power host. It enables a quick and accurate measurement of the battery quality in fields such as automotive, consumer electronics, medical and telecommunications.

The ASD2201-R is designed with an embedded MCU (as a resource controller) and power delivery (PD) module with USB-PD support, making it ideal for end-to-end power systems. In addition, it has up to 10 ADC channels, 6 I/O ports, one I2C interface, 3 UART interfaces, and one CAN bus. It also supports a total of 8 to 24V input voltage range and a maximum current of 10A. Furthermore, it supports up to 2.4GHz RF transceiver module, making it suitable for wireless communication.

The working principle of the ASD2201-R is based on the Pulse Density Modulation (PDM) technology, which is a method of generating a signal with variable pulse widths. By varying the width of the pulses, the amount of power delivered to the load can be controlled with precision. The main purpose of using PDM is to reduce the amount of energy that is wasted during power conversion, thus increasing the efficiency of the power system. The PDM technology also offers very accurate and fast current and voltage controls which make it ideal for battery charging and discharging.

Another function of the ASD2201-R is the voltage-mode control system (VMCS) which allows the system to monitor and control the output voltage. The VMCS works in conjunction with the PDM by increasing or decreasing the number of pulses that are being sent to the load. This ensures that the output voltage is maintained at the desired level. The VMCS also offers improved voltage stability, which prevents unnecessary current fluctuations.

The ASD2201-R can also be used to detect faults in the battery system. This is done via a battery protection and monitoring circuit which monitors the current, voltage, and temperature of the cells to ensure that they remain within the specified and safe ranges. If any of these values exceed the specified range, the system will automatically shut down.

The ASD2201-R evaluation board is suitable for a variety of applications including automotive, consumer electronics, medical, telecommunications, and industrial. It provides a comprehensive solution for efficient and reliable monitoring of battery systems. It also offers accurate controllability with the use of its PDM and VMCS systems, as well as fault detection capabilities. This makes it a great choice for developing reliable battery solutions.

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