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Energy harvesting from single cell solar panel for li-ion battery reference design
TIDA-050039
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Key Document

Description

The TIDA-050039 reference design demonstrates how to use a fully-integrated synchronous boost converter TPS61089 in combination with a single-cell solar panel to charge a li-ion battery. An additional maximum power-point (MPP) sampling network is implemented to dynamically control the input voltage to optimize the transfer of power from solar panel.

Features
  • Low working input voltage range: 0.4 V to 0.6 V
  • Fixed Maximum Power Point (MPP)
  • Maximum charging current up to 200 mA
  • High efficiency
  • Simple and flexible

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Design Files

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Parametrics
 TIDA-050039.1
(Output Voltage 1)
Vin (Min) (V).4
Vin (Max) (V).6
Vout (Nom) (V)3.8
Iout (Max) (A).2
Output Power (W).76
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBoost- CCM

TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD25480F3  -20V, P ch NexFET MOSFET™, single LGA 0.6x0.7, 159mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LPV321-N  Single channel general purpose, low voltage, low power, rail-to-rail output operational amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
REF3312  1.25-V, 30-ppm/°C drift, 3.9-µA, 3-pin SOT-23, 3-pin SC70, 8-pin UQFN voltage reference  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
TLV7042  Dual nanopower small-size comparator with open-drain output  Amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TPS61089  12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package  Step-up (boost) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LPV321-N Download Download
Download Download
REF3312 Download Download
Download Download
Download Download
TLV7042 Download
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TPS61089 Download Download

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Technical documentation

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Datasheet (1)
Title Type Size (KB) Date
PDF 1433 27 Jul 2016
User guide (1)
Title Type Size (KB) Date
PDF 796 20 Dec 2019
Design files (6)
Title Type Size (KB) Date
ZIP 1174 20 Dec 2019
ZIP 1577 20 Dec 2019
PDF 522 20 Dec 2019
PDF 114 20 Dec 2019
PDF 58 20 Dec 2019
PDF 139 20 Dec 2019

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