TCM809MVLB713

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TCM809MVLB713 Application Field and Working Principle

The TCM809MVLB713 is a supervisor integrated circuit (IC) from Texas Instruments (TI). It belongs to the Power Manager and Supervisors (PMIC - Supervisors) product family and is designed for applications in the industrial, automotive, and communication market segments. The device has been designed to provide fault detection and reset signaling for applications like process control, security, and audio-visual systems.

The TCM809MVLB713 supervisor IC provides a wide range of features, including voltage monitoring, reset time-out, manual reset, output logic-level control, watchdog timer (WDT), power-up/down reset sequencing, thermal protection, and bias voltage supervision. The device requires an external voltage source (VDD) for operation and can be used to monitor both wall-plug voltages and battery voltages. It has an open-drain output pin that is capable of sinking up to 10mA, allowing it to be connected to external devices and systems.

The TCM809MVLB713 supervisor IC is designed to provide an effective reset signal when input voltages range between 2.6 V and 6.5 V. The IC has two detection thresholds, a lower voltage threshold (VLO) used to detect undervoltage conditions and an upper voltage threshold (VHI) used to detect overvoltage conditions. These two thresholds can be independently configured based on the system requirements. The IC also provides a reset time-out feature to prevent the device from staying in reset mode indefinitely should a fault condition not be addressed.

With an operating temperature range between -40°C and 105°C, the TCM809MVLB713 can be used in a wide range of environments. Its low power consumption allows it to be used in battery-operated devices and its crystal-oscillator-free design simplifies the circuit design. The device also features a power-up/down sequencing functionality which allows the complementary outputs, RST and ENT, to be used to sequence the operation of other devices on the system.

The TCM809MVLB713 supervisor IC also features thermal protection and bias voltage supervision for overcurrent and short-circuit conditions. The thermal protection feature prevents the device from being damaged by excessive temperatures, while the bias voltage supervision feature can detect and report excess loads and excessive power consumption on the system.

The TCM809MVLB713 provides accurate, reliable, and cost-effective fault detection and reset signaling for a wide range of applications in the industrial, automotive, and communication market segments. With its wide operating temperature range, low power consumption, and integrated reset time-out, power-up/down sequencing and thermal protection, the TCM809MVLB713 is the perfect choice for any situation requiring robust and reliable power management.

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