MAX6381XR29D1+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	1 ms Minimum
Voltage - Threshold:	2.93V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3
Base Part Number:	MAX6381

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Power Management Integrated Circuit (PMIC) devices, also known as supervisors, are essential components used in digital systems. They are designed to provide reliable voltage, current, and timing functions to supervisory circuits and components. Supervisors are characterized by providing very accurate output and a large number of integrated digital and analog functions. In today’s electronic devices and applications, such as wireless communication devices, the power requirements are becoming more challenging. This has led to the development of advanced PMICs, such as the MAX6381XR29D1+T, which provide a wide range of functions and features.The MAX6381XR29D1+T is a multi-function, high-performance supervisor and PMIC for LCD-based mobile products. It is designed for use in mobile applications with low power requirements, such as cellphones, portable gaming devices, PDA telephones, and other applications requiring quick start and short-term power management. The device features an input voltage range of 1.8V to 5.5V, a wide range of adjustable output voltages (3.3V, 1.8V, 1.0V), and a high functional integration level. It also includes temperature sensing and power sequencing functions, as well as on-chip monitoring functions.The MAX6381XR29D1+T is an advanced PMIC device that is well suited for a variety of mobile applications. Its wide input voltage range and precise output voltages make it well-suited for battery-powered applications. Additionally, its wide range of integrated digital and analog functions, such as temperature sensing and power sequencing, help reduce the number of components and cost associated with the overall power management design.The device provides a wide range of features and functions, including:

• Multiple input voltage range: 1.8V to 5.5V.
• Adjustable output voltage(s): 3.3V, 1.8V, 1.0V.
• On-chip temperature sensor for monitoring system temperature.
• Programmable power sequencing.
• Integrated input and output hysteresis.
• High performance, low power consumption.
• On-chip monitor functions for monitoring system status.
• Wide operating temperature range.
• Small package: 10-pin TSSOP (1.0mm pitch).

These features and functions make the MAX6381XR29D1+T highly versatile and dependable for a variety of mobile applications.The working principle of this PMIC device is based on the sequential powering up of the 3.3V and 1.8V power supply rails, in accordance with the power-up sequence diagram given in the device\'s data sheet. Initially, the Max6381XR29D1+T starts up when the main power supply voltage (Vin) is present at the Power-On Voltage (VIN PON) threshold. When this voltage is detected, the device begins to power up the 3.3V logic supply rail (VOUT3). When this voltage reaches the desired value, the 1.8V and 1.0V power supply rail (VOUT1 and VOUT2) are also powered up. The Power sequencing delay and shut down inputs provide additional control of the power sequencing.The MAX6381XR29D1+T provides a wide range of features and functions, along with a high level of integration, making it ideal for low power mobile applications. It is well-suited for applications such as cellphones, PDA telephones, and other devices that require quick start-up and short-term power management. Its input voltage range, adjustable output voltages, temperature sensing, and power sequence features make it a dependable, cost-effective power management solution for these demanding applications.

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