TC54VC3002ECB713 Integrated Circuits (ICs)

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:	--
Voltage - Threshold:	3V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23A-3
Base Part Number:	TC54VC3002

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Introduction

The TC54VC3002ECB713 is a sophisticated power management integrated circuit (PMIC) designed for a wide range of applications in multiple industries. It is a parametric supervisor with watchdog timer (WDT) feature which monitors power status and reports when anomalies occur. The TC54VC3002ECB713 provides three system reset outputs and offers performance and cost benefits over traditional package-level reset solutions. The WDT reset is triggered when power inputs overdrive internal voltage limits, ensuring that Vcc supply is stable. The TC54VC3002ECB713 provides resets when monitored voltages exceed or go below their expected thresholds. It also offers over voltage protection for high levels of incoming voltage.

Application Field

The TC54VC3002ECB713 is used as an embedded processor in a variety of industrial, automotive, medical, and consumer applications. It reduces component count and PCB complexity by providing a single parametric reset supervisor with watchdog performance. The extensive reset outputs provided by the TC54VC3002ECB713 can provide electric or mechanical over temperature protection in systems using embedded processors. This allows maximum flexibility when designing resets for multiple devices in order to reduce PCB complexity. The TC54VC3002ECB713 is also used for monitoring multiple levels of power supply failures. For example, the watch dog timer monitors brown-out and over voltage conditions, ensuring that the voltage stays within a predetermined range ensuring reliable power delivery. The power supervisor can be used for critical applications such as embedded processor systems and medical devices where constant and reliable performance is required.

Working Principle

The TC54VC3002ECB713 works on the principle of voltage monitoring/ comparison. The TC54VC3002ECB713 has three reset outputs (RESET_N, RESET_P and RESET_E) to protect devices or systems when any one of the monitored power supplies (Vcc, Vcc SYSL, Vok and VIN) is out of range. The first two reset outputs (RST_N and RST_P) indicate if any of the four monitored power supplies exceed/fall below their respective upper/ lower thresholds which can be adjusted by an external resistors. The third reset output (Reset_E) indicates an event, detected by the watchdog timer, being triggered if no normal event is detected on the power suppliesThe TC54VC3002ECB713 also provides watchdog functionality. This allows the supervisor to detect if any monitored power supply is failing. It can be programmed with a timer value by adjusting an external resistor to a predefined value. This feature prevents any future problems caused by power supply issues. The supervisor not only monitors the reset outputs, but also the Reset_E pin for every supply.

Conclusion

The TC54VC3002ECB713 is a highly integrated parametric reset supervisor with watchdog timer providing reset outputs, over voltage and brown-out protection for multiple embedded processor-based systems. It offers three reset outputs, along with extensive monitoring and protection, to reduce PCB complexity and component count. Its watchdog timer monitors power supply failures and triggers out of voltage conditions. This ensures that the system receives reliable power and can be used for critical applications including medical devices and embedded processor systems.

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