MAX6388XS43D4-T

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The MAX6388XS43D4-T is a highly versatile, multi-functional Voltage and Temperature Supervisory IC (PMIC). Supervisors are key components in a wide range of consumer electronic products, providing system-level protection against device and power supply failures, over-temperature, and over-current conditions. The MAX6388XS43D4-T is designed to provide reliable voltage and temperature monitoring for optimal system performance.

Key Features

• RDOS trip point from 0.525V to 1.875V in 25mV increments
• Independent push-button reset input, active low reset output, active low enable input
• Low operating current (1200µA typical) and 3.0µA low standby current
• Sleep detect input with programmable time-out delay
• OTP threshold warning or reset indication trimpot
• Reverse supply protection (Vcc to -Vcc) with programmable time-out delay
• Over-voltage/under-voltage reset and warning features
• Thermal shutdown (TSD) osciallator

Application Fields

The MAX6388XS43D4-T is a specialized supervisor IC that is designed to provide a wide range of supply voltage and temperature monitoring and protection functions. This feature-rich device is ideal for use in many consumer electronics products, such as laptop computers, gaming consoles, smartphones, and tablets. It supports multiple push-button reset configurations, enabling it to be used in applications where manual reset is required. In addition, it provides reverse supply protection, which helps protect the device from damage in the event of an accidental reverse power supply connection.

Working Principle

The MAX6388XS43D4-T utilizes several integrated components to monitor voltage and temperature levels and to provide system-level protection from device and power supply failure, over-temperature, and over-current conditions. The device contains two comparators that monitor for predetermined voltage levels, two temperature sensors for temperature monitoring, and two resistive voltage dividers for programmable reset operation. The output of the Voltage Comparator can be configured to generate a Reset or Enable signal depending on the voltage levels being monitored. The Thermal Comparator is used to detect over-temperature conditions and can generate a Reset or Enable signal, depending on the user configuration. The resistive voltage dividers provide programmable trip points for a reset or warning signal, which can be adjusted using a trimpot.

The MAX6388XS43D4-T also provides several additional features, including a push-button reset circuit, reverse supply protection, and a Sleep Detect Input with programmable time-out delay. The push-button reset circuit provides an easy means for manual reset of the device in case of system failure or an accidental power supply connection. The Sleep Detect Input circuit allows the device to enter low power mode when no monitoring is required. The Reverse Supply Protection feature helps protect the device from damage due to an accidental reverse power connection.

The MAX6388XS43D4-T provides a simple, cost-effective solution for providing robust protection and system-level monitoring within any consumer electronics product. The device enables reliable voltage and temperature monitoring to ensure robust system performance. Its multiple protection features and low operating current make it an ideal choice for many applications.

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