STM690AM6E

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4.65V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SO
Base Part Number:	STM690A

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STM690AM6E Application Field and Working Principle

STM690AM6E is a chip designed for the PMIC- Supervisors category. It is a low voltage power management IC made using the STMicroelectronics 650V STD HV process. The device offers a wide range of features for effective monitoring of low voltage power supplies, making it suitable for use in a variety of industrial and automotive applications. The STM690AM6E integrates several features for power monitoring and management, including:

• Over-voltage protection (OVP)
• Under-voltage lockout (UVLO)
• Last cycle latch off (LCLO)
• Temperature independent soft start
• Monitoring and reporting of input voltage, current, and temperature
• Support of I2C and CAN interfaces

The IC provides a number of capabilities that permit system designers to gain full control of the power-up sequence, surpass safety requirements and provide real-time reports of thermal and voltage anomalies. The STM690AM6E has a wide operating temperature range from -40°C to +125°C, which makes it suitable for use in harsh environments. In terms of its working principle, the STM690AM6E utilizes a combination of precise current sensing and internal circuit protection to monitor and control input power sources in automotive and industrial applications. By detecting any shifts in voltage, current, and temperature, the IC sends a warning signal to the system if it senses something amiss. For example, it can detect over-voltage, under-voltage, and over-current. If the system controllers fail to respond, the IC can switch off the power source before it damages the system or causes an unexpected shutdown. The device also provides protection against input voltage spikes that may occur due to a power interruption or electrostatic discharge (ESD). This enables the system designers to avoid noise interference in the system. Furthermore, the device offers an integrated temperature monitoring capability for reliable power management in extreme temperature conditions.To guarantee a safe, fast and consistent start-up sequence, the chip features a temperature independent soft start. This technology uses an internal ramp generator to limit the inrush current and ensures a smooth, controlled start-up sequence. The STM690AM6E also includes an adjustable delay for input voltage level detection and an LCLO detection that helps the system designer accurately control when the latch-off current is required during the powered-up state. The STM690AM6E also offers two interfaces that permit easy integration into a microcontroller-based system. It supports I2C and CAN communication protocols, making it easy to detect input signals and exchange data between system components.Overall, the STM690AM6E is a versatile and powerful device that can be used in a wide range of automotive and industrial applications. Its advanced features make it suitable for robust and high-performance systems, and its wide operating temperature range make it ideal for harsh environments.

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