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TLC69637QRTQRQ1 is a 48-channel 100mA local dimming backlight LED driver for automotive use launched by TI. Each channel supports an output current of 100mA and can achieve 16-bit independent pixel-level PWM dimming, making it suitable for high-precision backlight control. It supports the connection of up to 511 devices. This interface is compatible with the LED driver software in the same group and can be applied to different application scenarios based on the LED current and the total number of leds.

Core parameters

Type: Linear

Topology: Constant current

Internal switch: None

Output number: 48

Voltage - Power supply (minimum) : 3V

Voltage - Power supply (maximum) : 5.5V

Voltage - Output: 16V

Current - Output/Channel: 100mA

Frequency: 33MHz

Dimming: Analog, PWM

Application: -

Operating temperature: -40°C to 125°C (TA)

Grade: Automotive grade

Qualification: AEC-Q100

Installation type: Surface mount, wettable side wing

Device package: 56-VQFN (8x8)

The TLC69637QRTQRQ1 is equipped with a 33MHz oscillator, supporting a 16-bit PWM output of 500Hz, and can achieve a refresh rate of over 20KHz through enhanced spectrum (ES) PWM.

Application field

The TLC69637QRTQRQ1 driver is suitable for scenarios with high requirements for dimming accuracy, such as automotive central information display screens, instrument panel display screens, and head-up displays.

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