TPS92315DBVR

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Led drivers, part of the Power Management Integrated Circuit (PMIC) family, are engineering solutions that are used to control the power fed to LED light sources. The TPS92315DBVR data sheet contains specific details about the range of applications for this device, as well as understanding of the working principle by which it functions.

For instance, designed with multiple features, the device features two general purpose memory inputs and two general purpose memory outputs that can be used to set or monitor various Led driver configurations. Further, LED driver basics such as LED on/off, LED dimming, LED flashing and LED timing are available on the device. Also, a common LED driver application such as a flicker-free boost LED driver is available when using this device. Some of its key features include a boosted output current of up to 400mA, a maximum input voltage of 18V and a minimum on-time of 73ns. In addition, the chip features a soft start of 2ms, Over Current Protection with adjustable thresholds, short circuit protection and thermal shutdown protection.

The working principle of the TPS92315DBVR LED Driver begins with the input voltage (Vin) provided to the driver input terminal. Vin is converted to a boosted output voltage used to drive the LED load. The device uses a base control circuit to regulate the control voltage delivered to the internal switched voltage regulator (SVR). When the measured current reaches the user-selectable OCP threshold, after the dimming level is set, the device shuts down. The chip also supports a ?Soft Starting? feature, where the nominal current of the output is limited to a certain level when the device first powers up.

Other features include an adjustable frequency of up to 500kHz, and an adjustable current limit when operating in linear dimming mode. Further, the device is rated for operating temperatures between -40 ℃C and 125 ℃C. Additional protection circuitry such as short circuit protection and over temperature protection are available in the device. The device is available in several packages, including HTSSOP-36 and VQFN-36 leadouts.

In conclusion, the TPS92315DBVR LED Driver is an engineering solution that is perfect for various LED driver applications such as LED on/off, LED dimming, LED flashing and LED timing. It has features such as OCP, Soft Start, adjustable frequency, and adjustable current limit when operating in linear dimming mode that make it a reliable and robust option. In addition, it is small and economical, with packages such as HTSSOP-36 and VQFN-36 leadouts that make it perfect for space-constrained applications. The device is rated for operating temperatures between -40 ℃C and 125 ℃C and has multiple protection circuitry included. This makes the TPS92315DBVR an ideal solution for engineers looking for a reliable, efficient and cost-effective LEDs driver solution.

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