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TPS61196-Q1 Datasheet 6-string 400-ma Wled Driver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61196-Q1 6-String 400-mA WLED Driver with Independent PWM Dimming For Each String TPS61196-Q1 SNVSA79 – MARCH 2015.

General Description

The TPS61196-Q1 provides a highly integrated solution for automotive LCD backlighting with an independent PWM dimming function for each string.

This device is a current mode boost controller driving up to six WLED strings with multiple LEDs in series.

Each string has an independent current regulator providing a LED current adjustable from 50 mA to 400 mA within ±1.5% matching accuracy.

Key Features

  • 1 8-V to 30-V Input Voltage.
  • Up to 120-V Output Voltage.
  • 100-KHz to 800-kHz Programmable Switching Frequency.
  • Adaptive Boost Output for LED Voltages.
  • Six Current Sinks, 200-mA Continuous Output, 400-mA Pulse Output for Each String.
  • ±1.5% Current Matching Between Strings.
  • High Precision PWM Dimming Resolution up to 5000:1.
  • Programmable OVP Threshold.
  • Programmable Input UVLO Threshold.
  • Adjustable Soft-Start T.

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