TLC7703IDG4

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Power Management Integrated Circuit (PMIC) devices, often referred to as Supervisors, play a vital role in providing clean and regulated power to the systems they power. In particular addressing transient spikes in the system, providing warning and protection alerts, and they enable the power on and off of the system. A wide range of PMIC devices are available to meet the system requirement and maximize system performance. From autonomous voltage monitor to one-time programmable devices, Microchip has a PMIC to match a wide range of needs. One of the highest performance PMIC is the TLC7703IDG4, a supervisor device with outstanding performance and reliability.

The TLC7703IDG4 offers an extensive range of power monitoring and protection capabilities. It’s equipped with eight voltage supervisor comparators of 2.0V precision and a watchdog timer. There’re also 12 GPIO pins used for monitoring and controlling various functions. The TLC7703IDG4 has a wide operating temperature range from -40°C to +125°C, making it suitable for harsh environment applications. It’s also designed to provide low power consumption when the system is in idle mode.

The primary application field of the TLC7703IDG4 is server equipment monitoring and protection, automotive power systems, industrial power systems, and medical equipment. The integrated PGOOD signal output can detect power rail abnormality, thus protecting the system against power anomalies. With built-in watchdog timer, it can trigger a reset signal to monitor the system’s running state. By applying specific programming parameters, the TLC7703IDG4 can monitor individual power rails in the system.

TLC7703IDG4’s working principle is simple and effective. The system input voltage is monitored against the set threshold voltage. Whenever there’s an anomaly with the system voltage, either a reset signal or power good signal will be sent to the system. With the help of the reset signal, the system can be quickly brought back to its normal state. The power good signal will alert the system when power supply is not adequate. Both signals play a vital role in protecting the system from power rail anomalies like overvoltage or reverse voltage.

To maximize the advantages of the TLC7703IDG4, extra features like output detection and thermal protection can be integrated. Output detection allows the TLC7703IDG4 to be more capable of detecting power rail voltage anomalies. Thermal protection is helpful in controlling the boarding temperature and providing additional safety. The two features together can protect the system in more conditions.

The TLC7703IDG4 is an ultra-low-power protection device engineered to protect system supply rails. It’s a reliable supervisor offering high accuracy and numerous features to better protect the power systems. These features make the TLC7703IDG4 suitable for almost any applications which requires power rail protection. With its high accuracy and extended temperature range, it’s an ideal choice for harsh environment applications.

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