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SLM8834 - 1.5A Thermoelectric Cooler Controller

General Description

The SLM8834 is a monolithic TEC controller with an integrated TEC controller.

It has a linear power stage, a pulse-width modulation (PWM) power stage, and two zero-drift, rail-to-rail operational amplifiers.

Key Features

  • Integrated super low RDSON MOSFETs for the TEC controller.
  • High efficiency single inductor architecture.
  • TEC voltage and current operation monitoring.
  • No external sense resistor required.
  • Independent TEC heating and cooling current limit settings.
  • Programmable maximum TEC voltage.
  • 2.0 MHz PWM driver switching frequency.
  • External synchronization.
  • Two integrated, zero drift, rail-to-rail chopper amplifiers.

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Datasheet Details

Part number SLM8834
Manufacturer Sillumin
File Size 936.42 KB
Description 1.5A Thermoelectric Cooler Controller
Datasheet download datasheet SLM8834 Datasheet

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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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SLM8834 Ultra-Compact, 1.5A Thermoelectric Cooler (TEC) Controller GENERAL DESCRIPTION The SLM8834 is a monolithic TEC controller with an integrated TEC controller. It has a linear power stage, a pulse-width modulation (PWM) power stage, and two zero-drift, rail-to-rail operational amplifiers. The linear controller works with the PWM driver to control the internal power MOSFETs in an H-bridge configuration. By measuring the thermal sensor feedback voltage and using the integrated operational amplifiers as a proportional integral differential (PID) compensator to condition the signal, the SLM8834 drives current through a TEC to settle the temperature of a laser diode or a passive component attached to the TEC module to the programmed target temperature.