TPS62026DGQ

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	TPS62026
Supplier Device Package:	10-MSOP-PowerPad
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.25MHz
Current - Output:	600mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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TPS62026DGQ：Application Field and Working Principle

The Texas Instruments TPS62026DGQ is a monolithic synchronous step-down circuit that provides a regulated output voltage with excellent line and load transient response. It is designed to operate over a wide input voltage range from 2.5 V to 5.5 V and produce a regulated output from 0.6 V to VIN. The integrated high-side and low-side MOSFETs offer high efficiency over a wide load range, allowing up to 3 A of load current.This device offers several features that give the user great versatility and flexibility. The output voltage can be externally adjusted via the voltage feedback pin or programmed via the serial bus interface. It also includes under-voltage and overvoltage lockout, cycle-by-cycle current limit, programmable soft-start, and a power-good flag. The operating frequency can be set from 200 kHz up to 2 MHz, allowing for a trade-off between efficiency and performance.The TPS62026DGQ is a great choice for applications requiring a step-down voltage regulator with good load transient response and high efficiency. The device is well suited for mobile computing, automotive, portable consumer electronics, and industrial applications.

Application Field

The TPS62026DGQ is ideally suited for applications requiring a low voltage from a high voltage source. It is well suited for mobile computing applications, such as cell phones, laptops, and other portable devices. It can also be used in automotive applications, as well as industrial applications requiring regulated output voltages.

Working Principle

The TPS62026DGQ uses a synchronous buck circuit to step-down voltage. The device integrates both a high and low side MOSFETs to switch the input voltage to the output. The high and low MOSFETs are switched by a control circuit in order to provide a regulated output voltage. The control circuit is set up to maintain output voltage regulation by modulating the duty cycle of the high and low side MOSFETs. The duty cycle is adjusted based on the difference between the output voltage and a reference voltage.The TPS62026DGQ also includes several protection features. It has an adjustable overvoltage protection that monitors the output voltage and shuts off the output when it exceeds a certain level. The device also has an adjustable undervoltage lockout that prevents the device from operating when the input voltage is below a certain threshold.

Conclusion

The TPS62026DGQ is a great choice for applications requiring a step-down voltage regulator with excellent load transient response and high efficiency. It is well suited for mobile computing, automotive, portable consumer electronics, and industrial applications. The device integrates both a high side and low side MOSFETs to switch the input voltage to the output in order to provide an adjustable and regulated output voltage. It also includes several protection features, such as overvoltage and undervoltage lockout, cycle-by-cycle current limit, and a programmable soft-start.

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