TPS3852H33QDRBRQ1

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	3.3V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-VDFN Exposed Pad
Supplier Device Package:	8-SON (3x3)

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TPS3852H33QDRBRQ1 PMIC - Supervisors Application Field and Working Principle

PMIC (Power Management ICs) are devices that cooperate with microprocessors and embedded systems to provide power management. Power management is concerned with controlling or reducing the amount of power utilized while ensuring that the system continues to run smoothly. PMIC can be characterized as either general purpose or application-specific. General purpose PMICs can be deployed in a wide variety of energy-related applications, while application-specific PMICs are tailored for specific applications, such as consumer electronics, industrial automation, healthcare, embedded computing, automotive, and many others. The TPS3852H33QDRBRQ1 PMIC - Supervisor provides Power-On Reset (POR) and outputs +5V and +3.3V from a 12V input.

TPS3852H33QDRBRQ1 PMIC – Supervisor Overview

The TPS3852H33QDRBRQ1 PMIC - Supervisor is a three-input power-supply reset (PSR) device from Texas Instruments that provides an integrated solution for detecting under-voltage or over-voltage power-supply conditions. The device features a Push-In (PI) feature to select the output voltage level, allowing for pin programmability. Additionally, the TPS3852 supports a standard I2C interface, allowing the reset voltage threshold to be changed externally through programming. The device also features multiple enable pins, allowing the enablements of the input and output regulators separately.

TPS3852H33QDRBRQ1 PMIC – Supervisor Applications

The TPS3852H33QDRBRQ1 PMIC - Supervisor is principally used in powering systems and power management applications. It is also used in microprocessor systems and embedded systems as it is able to detect a wide range of power-supply conditions and adjust the power supply voltage accordingly. Also, it is an ideal choice for low-power systems and battery-powered systems, as it is able to reduce power consumption.The TPS3852H33QDRBRQ1 PMIC - Supervisor is well-suited for a variety of applications, a few of which are listed below:- Automotive: Engine control units, body control modules, automotive infotainment- Industrial Automation: Programmable logic controllers, motor control systems, HVAC- Consumer Electronics: Appliances, gaming systems, internet of things (IoT)- Healthcare: Medical equipment, cardiac monitors, infusion pumps- Embedded Computing: Digital signal processors, microcontrollers

TPS3852H33QDRBRQ1 PMIC – Supervisor Working Principle

The TPS3852H33QDRBRQ1 PMIC-Supervisor is a three-input, voltage-comparator integrated circuit (IC). When the supply voltage exceeds the trigger-threshold voltage, the supervisor outputs a high voltage reset (HVR) signal, wiping out all registers and resetting the system. On the other hand, when the supply voltage falls below the threshold voltage, the supervisor will output a low-voltage reset (LVR) signals, which becomes active and restarting the system. The trigger-threshold voltage can be adjusted through the Push-In function and an I2C interface. The supervisor also has an enablement (EN) input, which is normally used to enable the regulator output. When the enablement pin is HIGH, the regulator output is enabled; when the enablement pin is LOW, the output is disabled. Additionally, there are two enablement pins (EN1 and EN2) to control the input and output regulators respectively. This allows systems designers to enable or disable the input or output regulator as needed. Another useful feature of the TPS3852H33QDRBRQ1 PMIC - Supervisor is its I2C interface, which allows the designer to program the voltage threshold value. This makes the supervisor highly flexible, as designers can adjust the threshold to suit different applications or power-management requirements.

Conclusion

The TPS3852H33QDRBRQ1 PMIC-Supervisor from Texas Instruments is an excellent choice for a variety of power management applications. Its three-input voltage comparator and adjustable voltage threshold make it well suited for powering systems and embedded systems. The device also features two enablement pins, allowing users to control the enablement of the input and output regulators separately. Lastly, its programmable I2C interface allows the user to customize the voltage threshold, making it a highly flexible solution for many different applications.

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