Thermoelectric cooler with inrush current control

Details Thermoelectric cooler with inrush current control Thermoelectric cooler with inrush current control

2011-07-12

2011-07-12

Ciric, Ljiljana (Lil) V (Department: 3785)

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

C062S003100, C062S003200, C062S259200, C062S157000, C062S158000, C372S033000, C372S034000, C372S035000, C372S036000, C372S029015, C372S038010, C372S038020, C372S038070, C398S135000, C398S138000, C398S139000, C398S202000

Reexamination Certificate

active

07975493

ABSTRACT:
Systems and methods for controlling a thermoelectric cooler (TEC) in an optical transceiver. A TEC system includes a processor that interacts with a power supply and a TEC controller to prevent inrush current. The power supply is switched by the processor and turned on only at a particular time. The power supply has a relatively large time constant such that it ramps slowly to its full value. In the meantime, the processor and TEC controller cause the temperature to ramp to a target value by repeatedly incrementing or decrementing a target value over time and by controlling when the maximum available voltage can be applied to the TEC.

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Machine Translation by Paj of JP 2006-054316, Tanaka, Optical Module and Light Transmission Device, Feb. 23, 2006, Paj, all.

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