TLC59582RTQT

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The TLC59582RTQT is a 16-channel LED driver, part of Texas Instruments’ LED driver portfolio. Its operating current varies from 10mA up to 60mA. This device allows for built-in individually selectable precision current programming and a fixed full-scale current. It provides a cost effective solution for customer applications in the range from 10mA up to 60mA but with the same power requirement. With its low profile TDFN package, it is ideal for applications that require a strong and bright light in a very small space, such as play sets, TVs and automobiles.

The applications of TLC59582RTQT LED drivers include driving LED backlights in notebook computers, car audio/video systems, automotive instrument clusters and backlights, portable and home multimedia systems, streaming media players, home automation, and electronic toys. With its low-profile TDFN package, it can also be used in applications where space is at a premium.

The working principle of the TLC59582RTQT LED driver involves two main aspects: the current-sensing precision pot and current-limiting power supplies. The current-sensing precision pot provides precise control of the operating current for each channel in the device and provides a full-scale current capability of up to 60mA. The current-limiting power supply provides a reliable and efficient source of power to the device, limiting each channel’s power dissipation.

The TLC59582RTQT can be programmed to generate a constant current for each output channel, with a full-scale current that can be set from 10mA to 60mA. All the selected channels are controlled from the common current-setting input, which is sensed by a current sensing POT in the device. The current on each output is then regulated by the current-limiting power supply, which is adjustable from 10mA to 60mA. Because the current is regulated, it prevents high power dissipation in the device, thereby increasing its overall efficiency.

TLC59582RTQT is also equipped with a thermal shutdown feature which turns off the device upon reaching a preset temperature threshold. This helps to prevent damage to the device during excessive current consumption, and is particularly useful in applications where high current draw is required. The device is also compliant with the RoHS Standard, meaning it is free of hazardous substances like lead and hazardous gases, which makes it ideal for manufacturing LED related devices in a safe and environmentally-friendly manner.

In summary, the TLC59582RTQT LED driver is an efficient and cost-effective device for a wide range of LED-related applications. Its individually selectable precision current programming with a fixed full-scale current enables it to provide a reliable and consistent power source for LED backlighting applications. Additionally, its low-profile TDFN package makes it suitable for applications that require a strong and bright light in a very small space. It is also compliant with the RoHS Standard, making it safe and environmentally friendly.

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