MAX6855UK17D3+T

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The MAX6855UK17D3+T is a PMIC supervisor component developed by Texas Instruments. It is a low voltage (–1.7V) option for the MAX6855, a system-level supervisor component that offers intelligent power management and reset functions for embedded system designs. This component provides an effective option for supervisors in low-voltage system applications and is even suitable for use in automotive designs. It is an efficient, field-operated component for the power management of embedded designs.

The MAX6855UK17D3+T integrates functions such as a voltage detector, a timer, a low-voltage reset, a low-voltage interrupt, and a watchdog timer. The component also offers a power-on reset (POR) to protect against possible system errors due to improper power supply sequencing. The component supports open-drain and push-pull outputs, providing flexibility in the power control design.

The MAX6855UK17D3+T functions in a wide range of operating temperature ranges. It is capable of operating at -40°C to 85°C and is designed to meet automotive standard AEC-Q100. It supports conventional and advanced reset operations, and is also capable of applying system reset signals as required. The component is also equipped with a programmable reset detector time that can be adjusted for different levels of reset duration.

With regards to application field, the MAX6855UK17D3+T is suitable for a wide range of embedded system designs. Automotive control, medical systems, and industrial machines all benefit from its stable low-voltage reset capability and advanced reset operation. Its comprehensive design, robust set of protective functions, temperature performance, and reliable operation make it suitable for sophisticated designs.

The MAX6855UK17D3+T functions according to certain principles. When the supply voltage exceeds the preset voltage (INV) by 1.3V or more, the RESET output is pulled low to a logic 0 level, thus resetting the system circuit. The MAX6855UK17D3+T will also reset when the supply voltage decreases, below a certain voltage level, which is set by the reset detector. During this low-voltage detection period, the voltage detector output is pulled low, and the RESET output is driven high.

When the supply voltage exceeds the preset voltage, the voltage detector output is driven high and a reset signal will be issued. Additionally, the MAX6855UK17D3+T is equipped with a programmable timer that can be set to a specific duration, to reset the system when the conditions do not restore. This ensures an effective power reset even in case of possible errors caused by improper power supply sequencing.

In conclusion, the MAX6855UK17D3+T is a reliable and efficient PMIC supervisor component that is suitable for a wide range of embedded designs. It provides a reliable low-voltage reset option along with a robust set of infrared functions and a programmable timer for resetting the systems when required. The MAX6855UK17D3+T is capable of operating in a wide range of temperatures and is also compliant with the automotive standard AEC-Q100.

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