IRS25401SPBF

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	DC DC Controller
Topology:	Step-Down (Buck)
Internal Switch(s):	No
Number of Outputs:	1
Voltage - Supply (Min):	8V
Voltage - Supply (Max):	16.6V
Voltage - Output:	--
Current - Output / Channel:	--
Frequency:	500kHz
Dimming:	PWM
Applications:	--
Operating Temperature:	-25°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	IRS25401SPBF

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IRS25401SPBF Application Field and Working PrinciplePower management integrated circuits (PMICs), such as IRS25401SPBF, are commonly used in LED-based systems for controlling and managing the current for the LED lights. This PMIC is a charge pump-based LED driver that is suitable for different lighting applications such as automotive and industrial.The IRS25401SPBF LED driver offers high efficiency, low quiescent current, and few external components count. It also reduces the size of LED driver circuit and allows minimal power loss. The LED driver also features wide input voltage range (1.5V to 17V) with a maximum output current of 600mA.Working PrincipleThis LED driver uses charge pump based DC/DC switching regulators to boost voltage or current at the output. It is an ideal driver for automotive, industrial and general lighting. The charge pump principle enables it to convert a low input voltage to high voltage to drive the LED light.The IRS25401SPBF LED driver begins its operation by monitoring input voltage of the LED system, and then controlling the LED current by setting external resistor. The LED driver has two voltage detectors namely - DSHOT and DSHOTNE. When the LED voltage exceeds the voltage set for DSHOT, the LED switch turns off and the counter starts. On the other hand, the DSHOTNE voltage detector turns the LED switch on to obtain the desired output from the LED system. The counter value is calculated to adjust the LED current.As the input voltage increases, the output current level of the driver increases as well. However, a temperature compensation feature is added to the driver and it keeps the output current constant as the temperature changes. The inverter also has a shutdown mode which is used to reduce power right down to 1uA.Applications of IRS25401SPBF LED DriverThe IRS25401SPBF LED driver offers numerous advantages and it is suitable for various applications including:• Automotive Lighting: This LED driver enables efficient and precise management of lighting in vehicles.• Industrial Lighting: These drivers can be used with fixtures to uniformly light the intended area or space.• Other Indoor/Outdoor Lighting Fixtures: These drivers are suitable for all types of lighting applications that consumer LED lights, such as street lamps, bollards and other fixed lighting systems.• Smart Lighting Solutions: Smart IP and automated control systems can be used with this LED driver as it easily integrates with several communication protocols, such as Bluetooth and Wi-Fi.The IRS25401SPBF LED driver is combined with a variety of features, making it suitable for different applications such as power saving, dimming, and colour control. It is a cost-efficient and reliable driver compared to other systems available in the market.

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