BD5350G-TR

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The BD5350G-TR is a multi-channel voltage supervisor IC designed for applications such as PC motherboards and server boards. This device supports a wide range of voltages, including 0.93V, 1.25V, 1.75V, 1.9V and others. It is designed to monitor the voltage level of the supply rail and generate reset pulses when the voltage falls below a predetermined threshold. This voltage supervisor can be used for both over-voltage and under-voltage management.

The core of the device is its digital monitoring circuit, which is made up of comparators, flip-flops, digital counters and a state machine. The digital monitoring circuit checks the voltage level of the supply rail, and if it falls below the predetermined threshold (known as the trigger point), it will generate a reset pulse to reset the system or turn off the power supply. This reset pulse is generated using a digital logic circuit, which is programmed using the digital state machine.

The state machine is responsible for controlling the operation of the device. It is programmed to detect voltage conditions, set the trigger point, generate reset signals and control the power sequencing. It is also responsible for generating an open-drain output to indicate the device’s status. This output can be used to signal the external controller. The state machine also provides flexible power sequencing and can support up to 8 external power supplies.

The BD5350G-TR also provides two external monitoring pins, MD1 and MD2, which can be used to monitor the operation of external power supplies. Additionally, the device supports additional features such as an internal oscillator, an external voltage reference, programmable delay settings and integrated temperature compensation. It is available in a small SOP-8 package, making it ideal for applications where space is limited.

In summary, the BD5350G-TR is a multi-channel voltage supervisor IC that is ideal for applications such as PC motherboards and server boards. It is designed to monitor the voltage level of the supply rail and generate reset pulses when the voltage falls below a predetermined threshold. The device is equipped with a digital monitoring circuit, a state machine and an external monitoring pin. It also offers additional features such as an internal oscillator, an external voltage reference, programmable delay settings and integrated temperature compensation.

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