Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Power Supply, Automotive Applications
Voltage - Input:	4.5 V ~ 45 V
Number of Outputs:	3
Voltage - Output:	5V, 3.3V/2.6V, 1.3V
Operating Temperature:	-40°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	36-BSSOP (0.295", 7.50mm Width) Exposed Pad
Supplier Device Package:	PG-DSO-36
Base Part Number:	TLE7368

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TLE7368EXUMA3 Application Field and Working Principle

Introduction to TLE7368EXUMA3

TLE7368EX UMA3 is a special purpose voltage regulator from the Texas Instruments Production-Line PMIC (Power Management Integrated Circuit) family. It is the first generation of this type of voltage regulator, and has been developed specifically to meet the unique needs of modern automotive applications. The TLE7368EX UMA3 is specifically designed to meet automotive AEC-Q100-qualified requirements for precision voltage regulation of high-efficiency electrical systems. The TLE7368EX UMA3 operates at a supply voltage of 7V-58V and can provide up to 20A of output current. The output voltage of the TLE7368EX UMA3 has an adjustable range of 0V-12V, which is adjustable on-the-fly via a PWM input pin or external resistor.

Application Field

The TLE7368EX UMA3 is particularly suited for automotive applications. It is specifically designed for managing and maintaining the high currents that are demanded by modern automotive electrical systems, such as motors, lighting, and signals. It has an integrated field-effect-transistor (FET) power switch, and an integrated voltage regulator with an adjustable output voltage range of 0V-12V. The TLE7368EX UMA3 is designed to simplify all aspects of high current load control and management, as well as reducing board space and cost. It also provides a simple and cost-effective solution for voltage regulation that requires no external components. The TLE7368EX UMA3 is also ideal for monitoring and protecting sensitive components, as it can run diagnostic tests on the current and voltage of the electrical system and notify the user if there are any issues.

Working Principle

The TLE7368EX UMA3 works by using a PWM signal to control the on-the-fly adjustable voltage output. It works by monitoring the current and voltage with an integrated current sense comparator. When the PWM signal is received, it converts the signal to a corresponding voltage that is then adjustable via an internal reference voltage, allowing easy adjustment of the voltage output without the need for external components. The TLE7368EX UMA3 is also equipped with an active current mode control for precise voltage regulation. This active current mode control allows for the precise regulation of the voltage output, regardless of load and temperature variations. The active current mode control also provides protection from short circuits, by providing over- and under-voltage protection.In addition to the active current mode control, the TLE7368EX UMA3 also provides protection from over-temperature, under-voltage, and over-voltage conditions. It has an integrated over-voltage detection and shutdown circuit, as well as an onboard analog-to-digital converter that can read ambient temperature, allowing the TLE7368EX UMA3 to monitor and shutdown the system if the temperature gets too high. Finally, the TLE7368EX UMA3 has a built-in fail-safe protection mode that is built into the device. This mode allows the system to continue operating even in the event of a failure, reducing downtime and increasing system reliability.

Conclusion

In conclusion, the TLE7368EX UMA3 is a specially designed voltage regulator from the Texas Instruments Production-Line PMIC (Power Management Integrated Circuit) family. It is designed specifically for automotive applications, and provides up to 20A of output current. The TLE7368EX UMA3 operates at a supply voltage of 7V-58V, and its output voltage has an adjustable range of 0V-12V, adjustable on-the-fly via a PWM input pin or external resistor. The TLE7368EX UMA3 is ideal for managing and maintaining high current loads in automotive applications, as well as providing an easy and cost-effective solution for voltage regulation with no external components. Finally, the TLE7368EX UMA3 has an integrated over-voltage detection and shutdown circuit, as well as an onboard analog-to-digital converter that can read ambient temperature, allowing the TLE7368EX UMA3 to monitor and shutdown the system if the temperature gets too high.

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