TPS61150DRCTG4

Voltage - Output:	27V
Base Part Number:	TPS61150
Supplier Device Package:	10-VSON (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	PWM
Frequency:	1.2MHz
Current - Output / Channel:	35mA
Series:	--
Voltage - Supply (Max):	6V
Voltage - Supply (Min):	2.5V
Number of Outputs:	2
Internal Switch(s):	Yes
Topology:	Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe TPS61150DRCTG4 is a high-efficiency, step-down DC to DC LED driver for powering LED backlighting applications. It is a Power Management Integrated Circuit (PMIC) LED Driver designed by Texas Instruments. This LED driver is capable of providing up to 3A peak current, to power multiple LEDs in parallel. It can be easily integrated into any application and is suitable for connected applications and decentralised lighting installations.Application FieldThe TPS61150DRCTG4 is designed to provide an efficient, high-current LED backlighting solution with wide-dimming capability. It is well suited for backlighting applications such as those found in notebook and tablet PCs, monitors, LCD TVs, and general lighting.The TPS61150DRCTG4 also supports dimming of the LEDs via pulse width modulation (PWM). The dimming is adjustable from 0 - 100% making it ideal for a wide range of dimming applications.In addition, the TPS61150DRCTG4 can be used as a highly efficient power supply in many general-purpose applications requiring a regulated output voltage.Working PrincipleThe TPS61150DRCTG4 operates with a constant current on the LED string, which is set using an external resistor. The circuit senses the LED current and maintains the LED current at a constant level, even in the event of LED string voltage changes, keeping the LED brightness consistent.The power supply for this LED driver is provided through a high-value input capacitor and is adjustable via the input voltage range. This LED driver supports voltage inputs from 12V up to 40V, allowing for a wide range of applications.The TPS61150DRCTG4 includes current limiter protection, overvoltage protection, and thermal protection. It also includes a low-ripple low-dropout regulator for maximum efficiency over a wide range of input voltage.Conclusion The TPS61150DRCTG4 is a PMIC — LED Driver designed by Texas Instruments. It has a wide application field, and is suitablefor notebook backlighting, LCD TVs, general lighting and many general-purpose applications. It features adjustable current, wide dimming capability and protection features such as current limiter protection, overvoltage protection and thermal protection, as well as a low-ripple low-dropout regulator. It offers high efficiency over a wide range of input voltage and is suitable for connected applications and decentralised lighting installations.

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