HV7351K6-G

Series:	--
Packaging:	Tray
Part Status:	Active
Applications:	Ultrasound Imaging
Current - Supply:	--
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	80-VFQFN Exposed Pad
Supplier Device Package:	80-QFN (11x11)
Base Part Number:	HV7351

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HV7351K6-G Application Field and Working Principle

PMIC (Power Management Integrated Circuit) is an integrated circuit that aims to deliver efficient and reliable power to an electronic device. HV7351K6-G is an example of a specialised PMIC primarily used in home and automotive applications. This article will provide an overview of the HV7351K6-G, its application field and its working principle.

Overview of HV7351K6-G

The HV7351K6-G is a low voltage, high current power management integrated circuit (PMIC) designed to provide a voltage output range of 0V to 32V and a current of up to 14 amps. It is available in two packages: SOIC and TSSOP. The chip has a low quiescent current of 55mA, making it ideal for automotive application where the power consumption must be carefully managed. The chip also has a variety of protection features such as thermal shutdown, under voltage lock-out and over voltage protection, as well as an adjustable output voltage. It also has a relatively high switching frequency of up to 5MHz and a low output noise of 500μV, making it suitable for high-frequency applications. It is available in both industrial and automotive temperature grades, making it suitable for a wide range of different applications.

Application Field

The HV7351K6-G is primarily employed in home and automotive applications. Its low noise output and high switching frequency make it an ideal choice for switching power supplies in a variety of consumer electronics, ranging from small appliances to computers to mobile phones. It is also suitable for automotive applications, where it can provide stable power to an array of electronic systems, such as infotainment, body control, navigation and engine systems. In addition, due to its low quiescent current, the chip is ideal for high-efficiency power supplies, where power consumption is a primary concern. Finally, the chip is designed to be able to work in a wide range of temperatures, making it suitable for outdoor applications, such as solar panels or automotive applications.

Working Principle

The HV7351K6-G is a voltage-mode switching regulator, which works by converting a DC input voltage to a stable output voltage. The chip has a built-in pulse width modulation (PWM) controller, which is used to generate a pulse-width modulated signal. This signal is then used to control a power switch, which switches the input voltage to the output via an inductor.The chip also has an integrated feedback control circuit, which is used to regulate the output voltage. The feedback circuit monitors the output voltage, and if the output voltage is too high or too low, it adjusts the duty cycle of the PWM signal to adjust the output voltage. The chip also has an integrated over-voltage protection circuit, which prevents the voltage from exceeding a preset upper limit. This prevents damage to the device connected to the output. The HV7351K6-G is designed to provide a low-EMI switching power supply and can be used with a wide range of output voltages and currents.

Conclusion

The HV7351K6-G is a low voltage, high current PMIC with a wide range of applications, ranging from consumer electronics to automotive systems. It is particularly suitable for low-EMI switching power supplies and has a variety of protection features to ensure the safety of the connected device. Its low quiescent current, high switching frequency and adjustable output voltage also make it an ideal choice for a range of different applications.

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