TPS60211DGSG4

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	TPS60211
Supplier Device Package:	10-VSSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	300kHz
Current - Output:	100mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	3.6V
Voltage - Input (Min):	1.6V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tube

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TPS60211DGSG4 Application Field and Working Principle

The TPS60211DGSG4 is a low-cost, fixed-frequency, synchronous step-down DC-DC converter from Texas Instruments. It provides a 3A maximum load current with a selectable input voltage range between 2.7V to 5.5V, and an adjustable output voltage range between 0.6V and 5.2V. This device has 500 kHz of constant on-time (COT) control, allowing it to operate at light loads with excellent power efficiency. Additionally, the TPS60211DGSG4 utilizes Texas Instruments\' Smart LDO Technology, which intelligently manages the output voltage in order to reduce the output voltage ripple and improve system performance.

DC-DC Switching Regulator

The TPS60211DGSG4 is a type of DC-DC Switching Regulator. DC-DC switching regulators are widely used components used to efficiently convert one DC voltage to another while simultaneously providing adjustable output voltage and high efficiency. They are capable of delivering a high current output from a relatively low current input, making them an ideal choice for many applications in the fields of industry, automotive and consumer electronics.DC-DC switching regulators are generally composed of two main components: a driver and a power MOSFET. The driver circuits generate gate drive signals for the power MOSFETs which are used to switch the input DC power to the output at a specified frequency. The frequency of this switching is typically determined by an external clock, though in some cases the frequency may be set internally by the regulator itself.

TPS60211DGSG4 Versatility

The TPS60211DGSG4 is a highly versatile regulating device due to its wide input voltage range and adjustable output voltage. This feature makes the TPS60211DGSG4 suitable for a large number of applications which require varying voltage levels. Examples of such applications include automotive, industrial, white goods and computing systems.The TPS60211DGSG4 also offers superior efficiency and power output. With an integrated low-side MOSFET switch and Texas Instruments Smart LDO Technology, the TPS60211DGSG4 can deliver up to 3A at up to 90% efficiency. Additionally, the device contains a Power-Saving Mode, which reduces power consumption and maximizes battery life, and a Bi-Directional Voltage Regulator, allowing for independent control of the output voltage in both directions.

Working Principle of the TPS60211DGSG4

The TPS60211DGSG4 works by taking a higher input voltage from a power supply, and converting it to a lower output voltage, as required. To do this, it applies a series of switches that regulate the flows of electrons, creating a continuous voltage conversion process.The first stage of the process is the Pulse Width Modulation (PWM) Control Stage, which is responsible for generating the gate drive signals that control the MOSFET switches. The PWM signals are then sent to the power MOSFET switches along with the input voltage. The power MOSFET switches convert the input voltage to a higher output voltage, which is then sent to the next stage of the process, the switch-mode current control.In the switch-mode current control stage, the TPS60211DGSG4 ensures that the output of the power MOSFET switches is regulated to the set voltage. This is done by monitoring the output of the power MOSFET switches and controlling the on-time of the switching by comparing the measured output voltage to the reference voltage.Finally, the TPS60211DGSG4 also contains a Low Dropout (LDO) regulation stage that manages the output voltage, reducing the output voltage ripple to ensure that the output is stable and clean.

Conclusion

In conclusion, the TPS60211DGSG4 is an effective and versatile DC-DC switching regulator that is capable of providing 3A of maximum current output with a selectable input voltage range between 2.7V and 5.5V, and an adjustable output voltage range between 0.6V and 5.2V. Thanks to its 500-kHz constant on-time control, advanced power saving mode and integrated low-side MOSFET switch, the TPS60211DGSG4 offers the benefits of high efficiency and power output. The TPS60211DGSG4 is therefore suitable for applications in the fields of automotive, industrial, white goods and computing systems.

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