TPS61282AYFFR Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	3.3V, 3.5V
Base Part Number:	TPS61282
Supplier Device Package:	16-DSBGA (1.56x1.56)
Package / Case:	16-UFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.3MHz
Current - Output:	3.3A (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	4.85V
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS61282AYFFR: PMIC - Voltage Regulators - DC DC Switching Regulators

The TPS61282AYFFR is a chip designed and manufactured by Texas Instruments Inc. This device is a fully integrated synchronous boost DC-DC converter with integrated FETs, programmed switching frequency, wide input voltage range, adjustable output voltage and low-Iq stand-by mode. The device can be used for a variety of applications and wired to create a voltage regulator.

Application Fields

The TPS61282AYFFR has a wide range of applications due to its ability to be programmed for different output voltages. It can be used for powering multiple device voltages, generating auxiliary voltages, providing buck-boost conversion, and post-regulating an output voltage from an unregulated source. It is also suitable for low-power boost applications that require low input current and low quiescent current. This makes it a good choice for battery-powered portable devices, mobile phones and tablets.

Working Principle

The TPS61282AYFFR is based on the Boost topology. In this topology, the input voltage is increased through the use of a switch and an inductor. The inductor converts the input current into a magnetic field, which is stored and released in the output circuit. When the switch is active, it allows the current to flow and builds up the stored energy in the magnetic field, and when it is open, the stored energy is released, resulting in an increased output voltage. The output of the TPS61282AYFFR is adjusted by the fixed frequency PWM control circuit, and the output voltage can be set by an external voltage divider or an I2C bus.

Advantages of Using TPS61282AYFFR

The TPS61282AYFFR provides several benefits over traditional voltage regulators. It allows for more efficient and faster step-up of input voltage. It also provides a smaller solution size due to the integrated components. In addition, it offers over-voltage and over-current protection, preventing the regulator from potentially damaging the device. Finally, the TPS61282AYFFR has a programmable switching frequency and adjustable output voltage, providing more flexibility when setting up the device.

Conclusion

The TPS61282AYFFR is a DC-DC synchronous boost regulator manufactured by Texas Instruments which is designed to efficiently step-up input voltages to higher levels with minimum size and power usage. Its programmable switching frequency and adjustable output voltage allow it to be used in a variety of applications. With built-in protection features and low-power standby mode, the TPS61282AYFFR is an ideal choice for efficient and reliable DC-DC boosting.

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