TPS61040QDBVRQ1 Integrated Circuits (ICs)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The TPS61040QDBVRQ1 is an LED driver integrated circuit (IC) from Texas Instruments. It is part of the LED driver PMIC family that enables switching designs for driving LED bulbs, LED backlighting, LED strobes, and LED flashlights. The TPS61040QDBVRQ1 is ideal for applications that use a DC/DC buck topology due to its low power consumption, low quiescent current, low EMI, and low-temperature operation.

The TPS61040QDBVRQ1 is designed to deliver up to 1.5A, 1.8V to 34V, and 4V output power. It is a constant-current Buck regulator with a Shutdown pin, hence allowing for flexible designs. The TPS61040QDBVRQ1 has excellent thermal performance and is capable of driving 1.5A for long periods without additional heatsinking. Besides, the TPS61040QDBVRQ1 is ideal for high-power LED applications covering the 0.3 to 1 Watt range.

In the TPS61040QDBVRQ1, the LED current is set with an external 6-pin resistive divider. The LED current is accurately regulated and remains unchanged with line variation, load variation, and/or thermal stress. The LED current remains within 1% (typical) of its set value over the junction temperature range of -40°C to +85°C. Under both open- and short-circuit conditions, the driver chip can protect and isolate the LED.

The TPS61040QDBVRQ1 employs a constant-on-time architecture and is designed to minimize the output ringing and EMI. The part also utilizes up to an 85-percent high efficiency under light loads, thereby saving on power consumption. Moreover, the maximum operating frequency (programmable) is 1MHz, which also allows for low-cost inductors and capacitors.

The TPS61040QDBVRQ1 is powered directly from the input supply, eliminating the need for a separate power source. This makes the TPS61040QDBVRQ1 ideal for applications that require minimal components for assembly. In addition, the IC includes a 2-bit digital potentiometer to adjust the LED current. This allows designers to optimize the brightness of the LED system easily and quickly.

In summary, the TPS61040QDBVRQ1 is a versatile and reliable LED driver IC designed to integrate multiple functions while delivering up to 1.5A, 1.8V to 34V, and 4V output power. It is designed to offer excellent thermal performance while requiring minimal external components. This allows designers to create flexible, efficient, and cost-effective LED driver designs.

The specific data is subject to PDF, and the above content is for reference