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MP5491 - Laser Diode Current Source IC

General Description

The MP5491 integrates four high-accuracy current sources for laser diodes (LDs), which makes this device well-suited for the transmitter optical subassembly (TOSA) of quad, small form-factor pluggable (QSFP) optical modules.

The device integrates 6-channel GPO outputs.

Key Features

  • 4-Channel Accurate Current Source.
  • Configurable Current for 10-Bit Digital-to- Analog Converter (DAC).
  • Up to 250mA Current per Channel.
  • Configurable Current Source Slew Rate.
  • Output Discharging for the Disabled IDx Pin(s).
  • Current Source Output Short-Circuit Protection (SCP).
  • 6-Channel Independent GPO Outputs.
  • I2C Control Interface.
  • I2C Hardware Reset (HRESET).
  • Available in a WLCSP-36 (3mmx4.25mm) Package.

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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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MP5491 Quad-Channel, Laser Diode Current Source IC for Optical Modules DESCRIPTION The MP5491 integrates four high-accuracy current sources for laser diodes (LDs), which makes this device well-suited for the transmitter optical subassembly (TOSA) of quad, small form-factor pluggable (QSFP) optical modules. The device integrates 6-channel GPO outputs. These outputs status can be configured via the I2C interface. The MP5491 requires a minimal number of external components, and it is available in a space-saving WLCSP-36 (3mmx4.25mm) package.