MAX805RCSA+

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Battery Backup Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active High
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.625V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MAX805

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A power management integrated circuit (PMIC) is an integrated circuit (IC) responsible for all aspects of power management. One example of a PMIC is the MAX805RCSA+. This device is a 5-channel voltage supervisor that features a reset pin, delayed reset output, manual reset input and precision voltage detectors. It is used to monitor multiple independent power supplies for proper operation. As such, it falls under the category of “supervisors”.This device is primarily used in microcontroller systems, such as General Purpose Input/Output (GPIO) and analog-to-digital converters (ADC). It is also used to monitor low voltage applications, such as those in desktop computers, laptops, and mobile phones. The MAX805RCSA+ provides regulated power to an integrated circuit such as a microcontroller or other digital processor. When the voltage supply exceeds the specified upper limit, the device triggers a reset interrupt. This helps to ensure that the IC operates properly and remains stable.The device consists of five independent voltage detectors with adjustable trip points which are controlled by two pins. The voltage detector trip points are adjustable in the range of 2.4 to 6.0V with a precision accuracy of ±2.2%. The device also has an integrated pushbutton reset that produces a reset output when pressed. The pushbutton reset feature is useful for recovering from brownout conditions or for soft reset of the system. The device is also designed for sleep modes. It provides an active-low output that can be used to indicate when the IC is in sleep mode or when a reset occurs. This is beneficial for software developers as they can ensure that the system operates properly while in sleep mode.In addition to the voltage detectors, the device also includes an input filter which eliminates spikes on the power rail. This helps to ensure that the device operates in the specified conditions and improve overall system performance. The MAX805RCSA+ supervisor also includes an on-chip oscillator which keeps the device in sync with the system clock. This ensures that the device is always synchronized to the system and provides accurate voltage detection.The device is available in a variety of packages including a 14 pin TSSOP, 14 pin SOIC, and a 14 pin HTSSOP package. The device operates over a temperature range of -40°C to +85°C. The MAX805RCSA+ is designed for use with a variety of microcontrollers, including NXP Kinetis, Atmel AVR, STmicro STM32, and Microchip PIC32. It is designed for applications where reliability and cost-effectiveness are important. In summary, the MAX805RCSA+ is a 5-channel voltage supervisor that is primarily used to monitor multiple independent power supplies for proper operation. It features a reset pin, delayed reset output, manual reset input and precision voltage detectors. The device’s integrated pushbutton reset and input filter help to ensure that the device operates in the specified conditions and improve overall system performance. It is available in a variety of packages and is suitable for a variety of microcontrollers. It is an ideal choice for applications where reliability and cost-effectiveness are important.

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