TPS3705-33DG4

Series:	--
Packaging:	Tube
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:	2.93V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	TPS3705-33

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.PMICs – otherwise known as Power Management Integrated Circuits – play an important role in many electronic devices, including mobile phones, tablets, portable media players and laptops. PMICs provide a range of power management functions, such as voltage monitoring, power sequencing and power control, as well as providing a range of other features to protect against over-voltage, current-limit, and thermal-shutdown conditions. The Texas Instruments TPS3705-33DG4 is an ultra low-power PMIC supervisor that provides comprehensive power management solutions for battery-powered applications. This article will discuss the application field and working principle of the TPS3705-33DG4.The TPS3705-33DG4 is typically used in portable devices that feature a variety of power sources, including Li-Ion batteries, USB ports and external power supplies. It can also be used in applications where a microcontroller with built-in power management is not present. The TPS3705-33DG4 provides flexible power sequencing for up to four system voltages, allowing for easy adaptation to different battery types and configurations. The device also features ultra-low power consumption, and offers an automatic, efficient system power up/down sequence.The TPS3705-33DG4 also offers several systems protection functions, such as programmable overvoltage and undervoltage monitoring, as well as overcurrent, short circuit and thermal shutdown protection. The device also offers adjustable delay times for power up and power down sequences.The TPS3705-33DG4 monitors system voltages via an onboard comparator. If any voltage levels exceed the programmed thresholds, a PWRGD flag is set and the voltage is reset to its safe level. The device features a flexible power sequencing scheme that allows up to four system voltages to be sequenced.In addition, the TPS3705-33DG4 provides programmable delay times for power up and power down sequences. The device also features adjustable fault thresholds and numerous other protection functions, such as overcurrent, short circuit and thermal shutdown protection. The device also offers a “sleep” mode, allowing it to be powered down when not in use.The TPS3705-33DG4 is a highly versatile PMIC supervisor that can be used in a variety of portable applications. The device features a range of power management functions, including voltage monitoring and power sequencing, as well as numerous protective features to ensure safe, reliable operation. The device also offers adjustable delay times for power up and power down sequences, allowing for easy customization for different battery and user requirements.

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