HV7361LA-G

Series:	--
Packaging:	Tray
Part Status:	Obsolete
Applications:	Pulse Generator
Current - Supply:	50µA
Voltage - Supply:	4.75 V ~ 11 V
Operating Temperature:	-20°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	22-VFLGA
Supplier Device Package:	22-LFGA (5x7)
Base Part Number:	HV7361

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Introduction to HV7361LA-G: Application Field and Working Principle

The HV7361LA-G is a high voltage power management integrated circuit (PMIC) from the Texas Instruments’ BoosterPack family. Developed for a wide range of applications, the HV7361LA-G is perfect for industrial, automotive, consumer, and medical applications. This versatile and easy-to-use solution gives greater power efficiency and performance with wide operating voltage/frequency ranges. Utilizing dual step-up and step-down synchronous regulators, the HV7361LA-G also includes precision current sense feature and two configurable voltage rails.

Description of HV7361LA-G

The HV7361LA-G is designed to produce and convert output voltages. It is rated with an output voltage of up to 5 V and the conversion frequency range of 1 kHz to 500 kHz. Additionally, the unit features wide operating voltage (from 2.3 V to 6 V) and frequency range (from 2 to 25 MHz).The HV7361LA-G is capable of controlling up to two independent output rails and operates as both step-up and step-down converters. The switching frequency of the device is adjustable and it is integrated with reversible current sense comparator (CSM). This allows for increased efficiency and improved performance.In addition to these features, the HV7361LA-G includes an analog voltage rail comparator (A_V), pre-biased undervoltage lockout (UVLO) for both regulators, as well as programmable reset place time (TP) for both regulators. These enable the device to be used in a variety of applications.

Application Field

The HV7361LA-G is designed to provide efficient power solutions in embedded applications such as automotive, industrial, medical and consumer portable devices. The device can power devices that require fast switching, efficient conversion and low-noise operation. In automotive applications, the HV7361LA-G supports start/stop and brake boosting options for improved fuel economy and emissions. The device is also ideal for applications such as spark plugs, hydraulic pumps, turbochargers and coolant pumps. For industrial applications, the device supports a variety of applications such as solenoid and valve applications, drive motors and actuators, as well as robotic motors and applications. Additionally, the device can be used in manufacturing machines and processes, as well as in medical automation systems.In consumer portable devices, the HV7361LA-G provides step-up and step-down voltage conversion over a wide input and output voltage range. This allows for low-noise operation and improved overall efficiency. In addition, the integrated features allow for improved portable battery life and the integration of protection features that make the device highly useful in applications that require a long battery life.

Working Principle

The HV7361LA-G works by using two integrated synchronous converters, one for each of the two separate voltage rails that the device is capable of controlling. Each rail is configurable so that it can provide either an positive or a negative voltage output.Each of the two integrated synchronous converters includes an internal pulse-width modulated (PWM) voltage converter, a current sense amplifier, a PMOS current regulator, and a PMOS-controlled power switch. The power switch is the key component for controlling the output voltage and the switching of the converter. When a voltage is applied to the input, the power switch is opened or closed depending on the pulse width and frequency of the PWM signal input. This signal is generated based upon the voltage and current detected by the current sensor and amplified by the current amplifier. In addition, the power switch is controlled by the PMOS regulator. This regulates the current of the converter and allows the device to maintain a stable output voltage over varying input currents.

Conclusion

The HV7361LA-G device is an ideal solution for a wide range of applications including automotive, industrial, medical and consumer portable devices. The device features two independent output rails, configurable voltage and switching frequencies, wide operating voltage, and frequency ranges, precision current sense and two configurable voltage rails. Utilizing dual step-up and step-down synchronous regulators, the device also includes an analog voltage rail comparator, a pre-biased undervoltage lockout, as well as programmable reset place time. All of these features make the HV7361LA-G a highly versatile and highly useful PMIC device.

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