TPS61187RTJT

Voltage - Output:	38V
Base Part Number:	TPS61187
Supplier Device Package:	20-QFN (4x4)
Package / Case:	20-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	PWM
Frequency:	1MHz
Current - Output / Channel:	30mA
Series:	--
Voltage - Supply (Max):	24V
Voltage - Supply (Min):	4.5V
Number of Outputs:	6
Internal Switch(s):	Yes
Topology:	Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TIS61187RTJT is an LED driver and portective device, which developed for Flash LED applications. It is a type of power management integrated circuit (PMIC) specifically designed for LED applications. This driver is a compact, single step-down LED driver with overvoltage and overtemprature protections to reduce thermal potential in smartphone and tablet applications.The TPS61187RTJT is a high efficiency and 9V to 28V input down step-down LED driver with low RDS (on) for higher system efficiency. By using the external current sensing resistor, the desired current accuracy and uniformity across multiple channels can be achieved. Innovative topology provides robust overvoltage protection and good thermal dissipation.The TPS61187RTJT is a low-power integrated device that can operate with a minimum input voltage of 9V. It includes high-side and low-side FETs, current sensing, a connected DC/DC converter, and an overvoltage protection, providing all circuitry need for a power management solution. It covers a wide output voltage range from 0.4 to 5.5V for single LED applications and 0.4 to 18V for multiple LED applications.The internal current sensing circuit helps to optimize the current accuracy over load and temperature variation by using a 0.125 Ohm current sense external resistor, allowing 0.5% accuracy of LED current without impacting the systems efficiency. The device has low junction-to-case thermal resistance of 0.3°C/W and hot delta T of 15°C across channel to provide additional thermal protection and uniformity.The TPS61187RTJT has low quiescent current of <100 nA, which enables more time in lower current consumption modes, extending device life and providing higher design flexibility. It also provides a rugged protection for overvoltage conditions and a thermal capacitor for short-term overvoltage protection.The device includes a low VIN Boost mode, allowing flexibility to start the output from a lower input voltage, making it an efficient regulator for battery-powered applications. It supports up to 1A of continuous output current and up to 2A of output peak current for single and multiple LED applications, making it a perfect choice for slim design applications.The TPS61187RTJT is a highly reliable device with a precise current monitor of 0.5%, full protection against overvoltage and thermal conditions, low current consumption, and high efficiency. It can be used in a wide variety of applications such as mobile phones, tablets, portable device, and power tools.In conclusion, the TPS61187RTJT is a highly advanced and reliable PMIC device specifically designed for LED applications. It provides precise current sensing, overvoltage protection, and thermal protection to extend the lifetime of the device and to maintain a good power efficiency.

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