TPS61181RTER - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS61181RTER
Manufacturer

TI
ChipWorker Part#

CW43223782
Category

LED Driver, LED Display Driver
Package

WQFN-16
Description

TEXAS INSTRUMENTS TPS61181RTER White LED Driver, Boost (Step Up), 5-24V input, 6Outputs, 1MHz switch-freq., 39V/1.5A out, QFN-16
Documentation

Datasheet

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TPS61181RTER Specifications

Attribute	Attribute Value

Part Number	TPS61181RTER
Manufacturer	TI
ChipWorker Part#	CW43223782
Category	LED Driver, LED Display Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	WQFN-16
Frequency	1 MHz
Number of Outputs	6 Output
Input Voltage (DC)	5.00V ~ 24.0V
Output Voltage	38 V
Output Current	1.5 A
Power Dissipation	2050 mW
Quiescent Current	2.00 mA
Switching Frequency	1 MHz
Topology	Boost
Input Voltage (Max)	24 V
Input Voltage (Min)	5 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	2050 mW
Supply Voltage	5V ~ 24V
Supply Voltage (Max)	24 V
Supply Voltage (Min)	5 V
Input Voltage	5V ~ 24V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

Product Description

The TPS61180/1/2 ICs provide highly integrated solutions for media size LCD backlight. These devices have a built-in high efficiency boost regulator with integrated 1.5A/40V power MOSFET. The six current sink regulators provide high precision current regulation and matching. In total, the device can support up to 60 WLED. In addition, the boost output automatically adjusts its voltage to the WLED forward voltage to improve efficiency.
The devices support pulse width modulation (PWM) brightness dimming. During dimming, the WLED current is turned on/off at the duty cycle and frequency determined by the PWM signal input on the DCRTL pin. One potential issue of PWM dimming is audible noises from the output ceramic capacitors. The TPS61180/1/2 family is designed to minimize this output AC ripple across a wide dimming duty cycle and frequency range; therefore, reducing the audible noise.
The TPS61180/1/2 ICs provide a driver output for an external PFET connected between the input and inductor. During short circuit or over-current conditions, the ICs turn off the external PFET and disconnect the battery from the WLEDs. The PFET is also turned off during IC shutdown (true shutdown) to prevent any leakage current of the battery. The device also integrates over-voltage protection, soft-start and thermal shutdown.
The TPS61180 IC requires external 3.3V IC supply, while TPS61181 and TPS61182 ICs have a built-in linear regulator for the IC supply. All the devices are in a 3×3 mm QFN package.

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