MAX6384XS46D2+T

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Power management integrated circuits (PMICs) are the essential components in many electronic devices, from notebooks and desktop computers to mobile phones. A key part of the PMIC is the supervisor, which acts as a watchdog for the system, monitoring the power supply and providing Power-Good (PG) or Reset signals to enable or prevent the system from switching on. MAX6384XS46D2+T is a low-side power supervisor IC from Maxim Integrated that monitors power supplies, detects out-of-spec conditions, and communicates the condition to the system. It also provides a Hardware Reset output to ensure clean power-down and power-up of the system.

The MAX6384XS46D2+T features an extremely low quiescent current of only 160nA, undervoltage (UV) and overvoltage (OV) detection, and an active-low reset with push-pull output. The device can reset devices with supply voltages from 1.45V to 5.5V, making it suitable for a wide range of applications. This wide voltage range requirement of the system makes the MAX6384XS46D2+T a great choice for consumer, industrial, instrumentation, and scientific applications.

In addition to its wide voltage range, the MAX6384XS46D2+T also provides a programmable delay for the reset time that can be set from 1.2µs to 8 seconds. This adjustable reset time feature is useful for delayed system start-ups that are required by some applications. The reset is triggered when the voltage on the device’s input falls below its programmed threshold. The output of the MAX6384XS46D2+T is also active-high, which allows it to be used for redundancy as well as for detecting low power conditions. This feature enables the device to detect and protect against any input voltage warning or fault.

The MAX6384XS46D2+T also features a Power-Good (PG) signal, which is active-high when the supply voltage is within the preset range and can be used to trigger further actions in the system if needed. Additionally, the device can be configured to perform a power-on reset. This feature enables the device to be used in devices that require a “power on reset” signal on power up, such as in embedded systems.

The MAX6384XS46D2+T also includes a wide variety of protection features, such as undervoltage lockout (UVLO) and overvoltage lockout (OVLO) functions. The UVLO protects the device from running when the input voltage falls below a predetermined threshold, and the OVLO protects the device from running when the input voltage rises above a predetermined threshold. These features protect the device from damage or malfunction due to excessive input voltage.

The MAX6384XS46D2+T is an advanced, low-cost supervisor IC from Maxim Integrated that is suitable for a wide range of applications. It features low current consumption and a wide voltage range, as well as programmable reset and protection features. Its active-low reset signal and active-high Power Good (PG) signal make it an ideal choice for embedded systems and devices requiring redundancy. In addition, its adjustable delay times provide flexibility for applications that require delayed system start-ups.

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