Part Number: TPS7B7702QPWPRQ1

Manufacturer: Texas Instruments


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of TPS7B7702QPWPRQ1

Datasheet  TPS7B7702QPWPRQ1 datasheet
Category Integrated Circuits (ICs)
Family PMIC – Voltage Regulators – Linear
Manufacturer Texas Instruments
Series Automotive, AEC-Q100
Packaging Tape & Reel (TR)
Part Status Active
Regulator Topology Positive Adjustable
Voltage – Output 1.5 V ~ 20 V
Current – Output 300mA
Voltage – Dropout (Typical)
Number of Regulators 2
Voltage – Input 4.5 V ~ 40 V
Current – Limit (Min) 340mA
Operating Temperature -40°C ~ 150°C
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173″, 4.40mm Width) Exposed Pad
Supplier Device Package 16-HTSSOP


The car industry is changing quickly, so it needs new ideas that combine efficiency, dependability, and high-tech features. The TPS7B7702QPWPRQ1, a part of the TPS7B770x-Q1 family of devices, is one of these breakthrough devices that meets these needs. In this detailed guide, we go into the TPS7B7702QPWPRQ1’s powers, features, and uses.

Introduction to TPS7B7702QPWPRQ1

The TPS7B7702QPWPRQ1 is the most up-to-date part of the TPS7B770x-Q1 family. It was made for use in cars. As cars get more complicated and high-tech, the need for efficient and flexible power management options has grown. The TPS7B7702QPWPRQ1 meets this challenge by combining features that meet the specific needs of the automotive business.

Overview of the TPS7B770x-Q1 Family

The TPS7B770x-Q1 family is made up of a number of devices that can work with a wide range of input voltages, from 4.5 V to 40 V, and have safety against a 45 V load dump. These devices are low-dropout regulators (LDOs) for high voltages that can also measure current. The TPS7B770x-Q1 family makes sure that power is delivered in a reliable and efficient way. This makes it a great choice for automotive power control.

High-Voltage Low-Dropout Regulator (LDO) and Current Sensing Capabilities

At the heart of the TPS7B7702QPWPRQ1 is a complex high-voltage low-dropout regulator (LDO), which is a key part that makes sure electronic devices get stable and accurate power. With an input voltage range of 4.5 V to 40 V, this high-voltage feature gives the device the power to handle a wide range of power source situations.

The TPS7B7702QPWPRQ1’s ability to measure current is one of its best features. By keeping a close eye on the load current, the device can tell a lot about the health of the machine. It can find a variety of load situations, from open circuits to short circuits, without needing to be calibrated again. This built-in intelligence gives engineers real-time information about their systems, making it easier to find problems and fix them.

Automotive Qualification

● AEC-Q100 Qualification and Its Significance

The TPS7B7702QPWPRQ1 is happy to have an AEC-Q100 qualification, which shows that it is ready to be used in the tough environment of automotive applications. AEC-Q100 is a strict industry standard that sets strict criteria for electronic parts to make sure they meet the strict needs of the car industry. This qualification proves that the TPS7B7702QPWPRQ1 is strong, reliable, and able to handle the tough conditions that are common in vehicle settings.

● Temperature Grade and Operating Range

The TPS7B7702QPWPRQ1 works well in a wide range of temperatures, from -40°C to 125°C. It has a great ability to grow in a wide range of temperatures. This ability to work in different ways is very important for automotive systems, which are often exposed to extreme temperatures because of different weather situations and thermal loads.

In the end, the TPS7B7702QPWPRQ1, which is a key part of the TPS7B770x-Q1 family, brings a new way of thinking about power control. It gives engineers a powerful tool for optimizing power supply performance and improving system stability by combining a high-voltage, low-dropout regulator with the ability to measure current. Also, it is approved by AEC-Q100 and has strong temperature requirements, making it an essential part of car applications, where durability and accuracy are of the utmost importance.

Enhanced Functionality and Diagnostics

High Accuracy Current-Sense and Fault Detection

● Accuracy of Current Sensing and Its Applications

The TPS7B7702QPWPRQ1 stands out because it can measure current with a very high level of accuracy. This feature lets the device carefully track the flow of electricity through the load. This gives a lot of information about the health and behavior of the connected system. This accuracy is especially important in situations where keeping optimal amounts of current is very important, like in active antenna systems for car communication or in industrial automation.

Current sensing is a troubleshooting tool that lets engineers keep a close eye on how the load is working. By keeping an eye on the current all the time, the TPS7B7702QPWPRQ1 can spot any changes from the usual behavior and quickly let the system know that something might be wrong. This real-time tracking helps find problems like too much current draw, which could mean something is wrong with the system.

● Detecting Open, Normal, and Short-Circuit Conditions

One of the best things about the TPS7B7702QPWPRQ1 is that it can sense a wide range of load situations without having to be calibrated. Whether the load circuit is open, working normally, or short-circuited, the device is set up to recognize and react to each of these situations. This makes it possible to find problems quickly and accurately, which makes the system safer and more reliable overall.

In an open-circuit situation, where the link between the load and the device is broken, the device can sense that the current isn’t flowing and take action, such as shutting down or alerting the control system. In the same way, when a short circuit happens, the sudden rise in current causes the device to step in and stop the system from being damaged. This self-managing way to find and fix problems makes system control easier and lowers the risk of failures.

Integrated Protections and Thermal Shutdown

● Various Integrated Protection Features and Their Roles

The TPS7B7702QPWPRQ1 has a number of built-in safety measures that make it more reliable and durable as a whole. These safeguards protect the gadget, the load, and the whole system from situations that could cause damage. Some of these safety features are the defense against reverse battery polarity, reverse current, output short-to-battery, and output inductive load clamp.

● Importance of Thermal Shutdown and Undervoltage Lockout

Thermal shutdown and Undervoltage lockout (UVLO) are the most important features for making sure the TPS7B7702QPWPRQ1 and the systems it runs last a long time and are safe. Thermal shutdown works as a fail-safe, stopping the device from getting too hot and possibly breaking for good. It goes off when the temperature goes over a safe limit, stopping the process until the temperature goes back down to a safe level.

The Undervoltage lockout is just as important. It stops the device from working if the voltage going into it drops below a certain amount. This protects against low voltage, which could stop the device from working right. This function makes sure that the TPS7B7702QPWPRQ1 only works within the voltage range it was designed for. This makes it more reliable and stable.

Efficiency and Power-Supply Rejection Ratio

● Explanation of Power-Supply Rejection Ratio (PSRR) and Its Significance

The Power-source Rejection Ratio (PSRR) is a metric that measures how well a device can ignore changes in the power source going into it. In general, it tests how well the TPS7B7702QPWPRQ1 keeps the output voltage stable even when the input voltage changes. A device with a high PSRR number can smooth out the effects of noisy or changing input voltages, making sure the output is clean and consistent.

● Highlighting the Low Dropout Voltage and Its Impact on Efficiency

The TPS7B7702QPWPRQ1 is very good at being efficient because it has a low dropout voltage. Dropout voltage is the change in voltage between the regulator’s input and output that must be at least this much for the regulator to work. The more efficient the device is, the lower the dropout voltage. This is because the device can keep regulating even when the input voltage is close to the ideal output voltage.

This low dropout voltage helps keep power loss to a minimum, which in turn makes the system more efficient as a whole. Because less power is wasted, less heat is made. This means that the TPS7B7702QPWPRQ1 can work well even in tough circumstances. This efficiency is particularly helpful in applications that are power-conscious and where minimizing energy use is a top priority.


We recommend further investigation into the TPS7B7702QPWPRQ1’s capabilities as you think about using it to meet your power management requirements. There is a wide range of potential uses for it thanks to its adaptable features, built-in safeguards, and automotive certifications. The TPS7B7702QPWPRQ1 provides a durable, efficient, and intelligent power management solution for designers working on active antenna systems, automotive power distribution, and industrial automation solutions. We at ICRFQ are the best source for TPS7B7702QPWPRQ1 in China.

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