MAX703CSA-T

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The MAX703CSA-T is a highly integrated power management integrated circuit (PMIC) specifically designed for main or auxiliary supply rail supervisory applications. It provides superior engine and system monitoring, enabling reliable and consistent performance.

MAX703CSA-T is a supervisor IC that provides over-voltage, under-voltage, and low-battery detection. This PMIC is designed to be used with microcontrollers, allowing the microcontroller to remain in reset until the power supply stability is assured.

MAX703CSA-T requires no external components, but still provides the option to use external components to adjust thresholds. This PMIC comprises a precision bandgap voltage reference, comparator and a reset generator. It has a wide operating voltage range of 4.75V to 15V and is offered in 8-pin TDFN packages.

The low-power operating mode of this PMIC is designed for battery-powered application, where current leakage is critical. The SUPERVISION pin is used to inform the system when the supply voltage line is being correctly monitored. It also has an active-low open-drain RESET output pin. Depending on the feature sets, MAX703CSA-T is available in two variants.

The first variant is the MAX703CSA-T, which is designed for monitoring main power sources such as microprocessors, ASICs or FPGA. It utilizes an adjustable overvoltage threshold and a fixed undervoltage threshold for applications optional undervoltage lockout. This PMIC also features an adjustable Watchdog time-out range from 16ms to 3minutes.

The second variant is the MAX703CSA-TA, which is designed for low-power, auxiliary supplies such as battery monitoring, power-on reset, or undervoltage lockout. This variant has a fixed overvoltage threshold and an adjustable undervoltage threshold. It also has an adjustable Watchdog time-out range from 8ms to 512ms.

The MAX703CSA-T is a reliable, high-accuracy, extremely small and low-power PMIC that provides efficient and stable power supervision. It has an onboard bandgap voltage reference and comparator to monitor the supply voltage accurately. It can operate in both continuous and periodic reset modes and features a Watchdog timer for timeout settings.

The MAX703CSA-T is also designed to protect systems from overvoltage, undervoltage and over-temperature conditions. It does so by lasting a reset signal when any level of safety threshold is exceeded. This PMIC features reset delay time and an active reset signal that is provided to reset the host and other peripherals.

In conclusion, the MAX703CSA-T is an ideal PMIC for those applications that require effective power supervision on their main and auxiliary DC supplies for microcontroller and other ICs. This MAX703CSA-T is a reliable, small and low-power solution with a wide range of features and adjustable settings to provide a wide range of protection, while allowing users to adjust as needed.

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