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MAX6964 - 17-Output LED Driver/GPO

General Description

The MAX6964 I2C-compatible serial interfaced peripheral provides microprocessors with 17 output ports.

Each output is an open-drain current-sinking output rated at 50mA and 7V.

The outputs are capable of driving LEDs, or providing logic outputs with external resistive pullup up to 7V.

Key Features

  • 400kbps, 2-Wire Serial Interface, 5.5V Tolerant.
  • 2V to 3.6V Operation.
  • Overall 8-Bit PWM LED Intensity Control Global 16-Step Intensity Control Plus Individual 16-Step Intensity Controls.
  • Two-Phase LED Blinking.
  • High Port Output Current.
  • Each Port 50mA (max).
  • RST Input Clears the Serial Interface and Restores Power-Up Default State.
  • Supports Hot Insertion.
  • Outputs are 7V-Rated Open Drain.
  • Low Standby Current.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MAX6964 19-3179; Rev 3; 3/05 EVAALVUAAILTAIOBNLEKIT 17-Output LED Driver/GPO with Intensity Control and Hot-Insertion Protection General Description The MAX6964 I2C-compatible serial interfaced peripheral provides microprocessors with 17 output ports. Each output is an open-drain current-sinking output rated at 50mA and 7V. The outputs are capable of driving LEDs, or providing logic outputs with external resistive pullup up to 7V. Eight-bit PWM current control is also integrated. Four of the bits are global control and apply to all LED outputs to provide coarse adjustment of current from fully off to fully on with 14 intensity steps. Additionally, each output has an individual 4-bit control, which further divides the globally set current into 16 more steps.