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:	140 ms Minimum
Voltage - Threshold:	1.575V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3

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PMIC - Supervisors

PMIC supervisors are small devices that provide the protection, sequencing, and reset signals needed to push a system power up and down. A good PMIC supervisor can be used to ensure reliable system startup, reduce current consumption, and extend battery life of batteries and systems powered by batteries.The PT7M6832VD3C3EX is a Supervisor IC designed for battery-powered systems. It is a low power, low voltage supervisor with advanced features that enable operation at a wide voltage range. It features a wide operating range up to 6V, support for both push-pull power switch and I2C control, and active reset protection.Application FieldThe PT7M6832VD3C3EX is suitable for a wide range of applications such as automotive, industrial, medical devices, and consumer electronics. In automotive applications, it can be used for voltage monitoring, system reset, automatic backlight switching and current limitation. In industrial applications, it can be used to monitor high-voltage conditions and provide system reset during power surges or brownouts. In medical devices, it can be used to monitor the status of different levels of voltage and provide reset signals at low and mid-voltage ranges. In consumer electronics, it can be used in power supply design, power management, and reset circuits.The compact size of the PT7M6832VD3C3EX makes it suitable for small form-factor designs. It comes in a 3x3mm LFCSP package, making it compatible with most micro-controllers and application processors.Working PrincipleThe PT7M6832VD3C3EX employs a special P-channel MOSFET and an open drain output circuit to maintain an overvoltage and undervoltage threshold. It is designed around the CMOS process and operates in an input and output mode. When the supply voltage exceeds the preset threshold limit, the MOSFET will be offered a powerful discharge current in order to pull the output low. The output can then be used in power supply design, power management and reset circuits.The PT7M6832VD3C3EX also provides adjustable voltage and reset thresholds, as well as a 2.2V hold-up voltage. The reset thresholds can be set by using two external resistors. The voltage threshold is set using the EV pin, which is a high-current input. The EV pin can be used to monitor the battery voltage or general-purpose signals. The hold-up voltage can also be set using two external resistors.In addition, the PT7M6832VD3C3EX offers a wide range of features. It has a wide operating voltage range of up to 6V, support for both push-pull power switch and I2C control, programmable power-on reset delay, and active reset protection. The active reset protection prevents the system from entering a reboot loop in case of temporary power failures.To sum up, the PT7M6832VD3C3EX is a good choice for battery-powered systems, offering protection from both overvoltage and undervoltage conditions, and providing reset signals in the low and mid-voltage ranges. It comes in a small package, making it suitable for use in small form factor designs. Furthermore, it also offers a wide range of features, monitoring functions and active reset protections.

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