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The TPS92401RRVR is a 4-channel 5A LED dot controller from Texas Instruments that integrates PWM shunt FETs, SPI interfaces, and adaptive configuration capabilities to support PWM frequencies up to 60kHz. This device features a wide input voltage range from 4.5V to 65V, making it suitable for LED lighting systems and enabling pixel-level dimming control.

Core parameters

Type: DC DC controller

Topology: -

Internal switch: None

Output number: 4

Voltage - Power supply (minimum) : 4.5V

Voltage - Power supply (maximum) : 65V

Voltage - Output: 0V to 63V

Current - Output/Channel: 5A

Frequency: 32MHz

Dimming: PWM, SPI

Application: General

Operating temperature: -40°C to 85°C

Installation type: Surface mount type

Device package: 36-VQFN (5x6)

In addition, the TPS92401RRVR contains registers that can be used to program the PWM pulse width, slew rate, edge offset and open-circuit voltage of individual leds in a string of lights. It can also be used to report LED open circuits, LED short circuits, split FET open circuits and thermal warnings. The internal charge pump integrates the spread spectrum function

Application scenarios

The TPS92401RRVR is suitable for LED lighting systems that require high-precision dimming and a wide input range, such as commercial lighting, landscape lighting and other scenarios.

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