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.

FEATURES

• 4-Channel Accurate Current Source

• Configurable Current for 10-Bit Digital-toAnalog 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

APPLICATIONS

• Optical Modules