S-1003CA19I-I6T1U

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The S-1003CA19I-I6T1U is a high-performance, low-power supervisor designed with advanced protection features to ensure the operation of embedded systems. This device provides a comprehensive battery-backed reset system solution for low-voltage systems. It contains a battery-backed supervisor IC with an independent reset timer, power-on reset, battery monitor, programmable reset threshold, and integrated backup N-channel MOSFET for essential system-level protection. This device has a wide operating voltage range of 1.8V to 5.5V.

The S-1003CA19I-I6T1U has a universal application field for resetting, monitoring and updating embedded systems. In embedded system applications, this supervisor provides battery-backed protection against inadvertent system resets and unexpected power-on states. The integrated backup N-channel MOSFET and independent reset timer can be very useful in the event of a power supply disruption or a battery failure. The device also features an adjustable reset threshold voltage to ensure that the reset level is not affected by supply voltage variations.

The working principle of S-1003CA19I-I6T1U is based on the reset pin logic. The battery monitor circuit is designed to detect any change in the voltage on the VDD pin and is capable of detecting a full-charge, low-voltage, or under-voltage condition. When the battery voltage drops below a programmable threshold, the reset pin is pulled low and the reset pulse is generated. The battery monitor circuit ensures that the reset pulse is asserted only when the battery voltage is too low to provide the necessary power for the system to function properly.

The integrated backup N-channel MOSFET will prevent the system from resetting unexpectedly when an AC power failure or power supply disruption occurs. When the AC power is connected, the MOSFET remains in OFF state. If the AC power fails or is disconnected, the MOSFET will be activated and will take over from the battery voltage to provide the necessary power to prevent the system from resetting. Additionally, the reset timer continuously monitors the reset pin to ensure that the device is not reset unnecessarily.

The S-1003CA19I-I6T1U is an excellent choice for embedded system and independent reset applications, as it provides advanced protection features, a wide operating voltage range, and a programmable reset threshold. The device is very easy to integrate into system designs, as it only requires two external components: a backup capacitor and a microcontroller to set the reset threshold. Overall, the S-1003CA19I-I6T1U is an efficient and reliable PMIC-Supervisors solution for monitoring and resetting embedded systems.

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