TPS76850QPWP

Series:	--
Packaging:	Tube
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	10V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.38V @ 1A
Current - Output:	1A
Current - Quiescent (Iq):	125µA
PSRR:	60dB (1kHz)
Control Features:	Enable, Power Good
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package:	20-HTSSOP
Base Part Number:	TPS76850

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IntroductionThe TPS76850QPWP is a very innovative type of power regulator known as a linear voltage regulator. It has the capability to generate multiple, separate and regulated DC voltages. It is capable of providing current up to 78mA to multiple outputs each with up to 4 outputs. Application FieldsThe applications for the TPS76850QPWP range from automotive to industrial applications, as it is well suited for both. In Automotive applications, the TPS76850QPWP can be used to regulate the voltage from automotive battery packs. It is also used to regulate the DC voltage from alternators and other power sources, such as starter motors in order to provide the correct battery voltage.In the industrial sector, the TPS76850QPWP can be used to power industrial CNC machines, robots and for welding applications. It can be configured to provide up to four different voltages with a ±2% regulation accuracy. Design BenefitsThe design of the TPS76850QPWP is well suited for multiple voltage applications. It has minimal power losses and is designed to operate efficiently in almost any temperature range. Also, the chip’s design has a small footprint and can help save space in applications.To further understand the capabilities of the chip, it is important to understand how the specific components inside the chip work together in order to help provide the desired output rating and performance. Internal StructureThe TPS76850QPWP consists of a Voltage Regulator Core, Output MOSFETs, and Schottky Diodes. The Voltage Regulator Core is the core of the device as it is responsible for controlling the current and voltage output. It works by sensing and comparing the output voltage to a set reference voltage. When the output is either above or below the set reference, the Regulator will adjust the current to the output accordingly.The Output MOSFETs and the Schottky Diodes are there to provide current and voltage protection. The MOSFETs are used to create a bridge between the input and output, while the Schottky Diodes provide a safety measure by reducing the reverse current flow, or leakage, that could be caused by mismatched power sources or poor power supply wiring.Protection FeaturesThe chip includes a variety of protection features. Some of these features are Over-Voltage Protection, Thermal Protection, Output Short-Circuit Protection and Over-Current Protection. The Over-Voltage Protection feature helps protect the chip from any excessive voltage that may be generated from the external power supply. If the voltage exceeds the set limit, the chip will immediately shut down. The Thermal Protection helps protect the chip from thermal damage that could be caused by an excessive amount of heat. As soon as the temperature reaches a certain level, the chip will shut down.The Output Short-Circuit Protection helps to protect the chip and the output-loading by preventing the output current from exceeding the set limit.Finally, the Over-Current Protection helps to protect the chip and the load from any excess current that may be caused by an overloaded power source.ConclusionThe TPS76850QPWP is a great device for applications that require multiple voltage outputs. Its small footprint is great for saving space, and its protection features help create a safer, more reliable experience. Its design makes it suitable for automotive and industrial applications, with its ±2% regulation accuracy meaning it can provide accurate results for a variety of applications.

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