Thermoelectric cooler controller with power MOSFETs

23rd November 2021
Mick Elliott

The MP8833 is a monolithic thermoelectric cooler controller with built-in internal power MOSFETs from Monolithic Power Systems.

It achieves 1.5 A of continuous output current from a 2.7 V to 5.5 V input voltage range with a thermoelectric cooler (TEC) voltage range.

The TEC voltage is linearly controlled by the analog voltage.

Features such as TEC voltage and current limiting are controlled by the 400 kHz I2C serial interface.

The MP8833, which is available from distributor Digi-Key, is ideal for TEC device applications such as optical laser diodes and fiber communication networks.

Full protection features include internal soft-start, over-current protection (OCP), over-voltage protection (OVP), and over-temperature protection (OTP).

The MP8833 is available in a QFN-16 (2 mm x 3 mm) package for a minimum solution size.

Applications include optical laser diode modules, fibre communication networks and systems with TEC temperature control.

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