Auto Focus Motor Driver IC

Auto Focus Motor Driver IC

Auto Focus Motor Driver IC

Product ID: PT5100

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The PT5100 is a single 10-bit DAC with 102.3mA output current sink capability. It features an internal reference and operates from a single 2.3V to 5.5V supply. The DAC is controlled via a 2-wire (IP2 PC compatible) serial interface that
operates at clock rates up to 400KHz.

The PT5100’s unique and proprietary Slope Control Modes allow the user to customize the output transient response thereby overcoming mechanical ringing associated with reduced form factor voice coil motors (VCMs).

The PT5100 incorporates a power-on reset circuit, which ensures that DAC output powers up to 0V and remains there until a valid write takes place. It has a power-down feature that reduces the current consumption of the device to 1μA maximum.

The PT5100 is designed for autofocus, image stabilization, and optical zoom applications in camera phones, digital
still cameras, and camcorders.
The PT5100 also has many industrial applications, such as controlling temperature, light, and movement, over the range -40℃ to +85℃ without derating.
  • 102.3mA current sink
  • 2-wire (I2C compatible)1.8V serial interface
  • 10-bit resolution DAC
  • Integrated current sense resistor
  • Selectable output slope control
  • 2.3V to 5.5V power supply
  • Guaranteed monotonic over all codes
  • Power-down to 0.5μA typical
  • Internal reference
  • Built-in UVLO shutdown circuit
  • Power-down function
  • Power-on reset
  • Available in 2 x 3 array, 0.961mm x 1.580*0.395mm WLCSP packages

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