Low Power TEC Driver Reference Design
PMP9759
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Description & Features

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Description

This reference design details a power management circuit which is capable to source and sink current for driving a thermoelectric cooler (TEC) to control the temperature of sensitive devices, like laser diodes or sensors. It supports a small solution based on a completely integrated buck boost converter requiring only a few external components. With a simple high impedance analog voltage input to control the current flowing through the TEC it can be used as a power solution for a microcontroller based temperature control system.

Features
  • Source and sink current capability to drive a TEC
  • More than 1.5 A source current possible
  • High impedance analog control input
  • Less than 180 mm² required for the complete power solution
  • Simple design, small BOM
  • More than 90% efficiency over a wide operating range

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 PMP9759.1
(Output Voltage 1)
Vin (Min) (V)3
Vin (Max) (V)3.6
Vout (Nom) (V)5.5
Iout (Max) (A)2
Output Power (W)11
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck Boost- Integrated Switch

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS63020  High Efficiency Single Inductor Buck-Boost Converter with 4A Switch  Buck-boost & inverting regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS63020 Download Download

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Technical documentation

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Application notes (1)
Title Type Size (KB) Date
PDF 75 18 Nov 2014
Design files (4)
Title Type Size (KB) Date
ZIP 476 19 Dec 2014
PDF 44 19 Dec 2014
PDF 20 19 Dec 2014
PDF 33 19 Dec 2014

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