FPF1017

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	FPF1017
Supplier Device Package:	6-MicroFET (2x2)
Package / Case:	6-UDFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Fault Protection:	--
Features:	Load Discharge, Slew Rate Controlled
Input Type:	Non-Inverting
Rds On (Typ):	34 mOhm
Current - Output (Max):	1.5A
Series:	IntelliMAX™
Voltage - Load:	0.8 V ~ 1.8 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	1:1
Number of Outputs:	1
Switch Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction of FPF1017

The FPF1017 is a power distribution switch, load driver and system power management integrated circuit (PMIC) developed by Texas Instruments. The device features over voltage, over temperature, and over current protection, as well as pulse-width modulation (PWM) dimming control.The FPF1017 separates power switching, load sensing and dimming control into different paths. Two outputs support LED dimming up to 400 mA/channel with integrated software built-in. The device also supports a wide range of input 4.5V to 28V, making it suitable for a variety of industrial and automotive applications.

Application Field of FPF1017

The FPF1017 is widely used for system power management in different industrial and automotive applications. The most common applications include automotive lighting, avionic lighting and industrial lighting. The device supports general purpose, high voltage and power pulsing applications up to 28V.In automotive lighting, the device is suitable for low to high current applications such as brake lights, dashboard lighting, and interior lighting, etc. Its integrated over-voltage protection and fail-safe operation protect against electrical spikes and high current applications.In avionic lighting, the device is suitable for up to 400mA/channel lighting applications, such as cockpit illumination and navigation lighting. The PWM dimming control on all outputs ensures consistent dimming performance, even in rough environments.

Working Principle of FPF1017

The FPF1017 combines a Field Programmable Gate Array (FPGA) with a system PMIC to provide impressive power management, load sensing and dimming control. Its unique three-part architecture takes the workload off the user with software built-in to the device.The FPF1017 features two distinct regions - the input port and the output port. The input side of the device is responsible for monitoring the input voltage and protecting against over-current and over-temperature conditions. The output side of the device is responsible for providing current source and safety features, as well as dimming capability and intelligent switching control.When the power is applied, the voltage regulator takes control and adjusts the input voltage to match the output. The output side of the device then determines the amount of current needed to drive the load based on the input voltage. When the current exceeds the allowable limits, the device will shut off the circuit and trigger an interrupt.The FPF1017 also features dimming control which is based on pulse-width modulation (PWM). This allows for smooth dimming of the LED with minimum power dissipation. The PWM dimming is done by varying the duty cycle of a pulse signal to generate a voltage signal to the control circuitry.

Conclusion

The FPF1017 is a highly integrated power distribution switch, load driver and system power management IC that offers a wide range of features and functions. It is suitable for a variety of industrial and automotive applications. The device can also handle up to 400mA/channel of LED dimming control with its integrated software built-in. The FPF1017 includes integrated over voltage, over temperature, and over current protection, as well as pulse-width modulation (PWM) dimming control.

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