LTC3330

RECOMMENDED FOR NEW DESIGNS

Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender

Data Sheet Product Selection Table
Part Models
4
1ku List Price
Starting From $4.25
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Part Details

  • Dual Input, Single Output DC/DCs with Input Prioritizer
    • Energy Harvesting Input: 3.0V to 19V Buck DC/DC
    • Primary Cell Input: 1.8V to 5.5V Buck-Boost DC/DC
  • Zero Battery IQ When Energy Harvesting Source is Available
  • Ultralow Quiescent Current: 750nA at No-Load
  • Low Noise LDO Post Regulator
  • Integrated Supercapacitor Balancer
  • Up to 50mA of Output Current
  • Programmable DC/DC and LDO Output Voltages, Buck UVLO, and Buck-Boost Peak Input Current
  • Integrated Low Loss Full-Wave Bridge Rectifier
  • Input Protective Shunt: Up to 25mA at VIN ≥ 20V
  • 5mm × 5mm QFN-32 Package
LTC3330
Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender
Extended Battery Life with Energy Harvesting Product Package 1
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Documentation

Data Sheet 1

User Guide 2

Technical Articles 3

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
PowerPath, Ideal Diodes, and Load Switches 1
LTC4417
RECOMMENDED FOR NEW DESIGNS Prioritized PowerPath™ Controller
Pushbutton Controllers 1
LTC2956
RECOMMENDED FOR NEW DESIGNS Wake-Up Timer with Pushbutton Control
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTC3330
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC2321A

Dust Energy Harvesting Demo Board with E-Ink Display, Designed to Connect to the DC2344A or DC2509A

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Product Details

Demonstration circuit 2321A is a low power wireless sensor node development platform equipped with an E-ink display for user feedback. The system is capable of monitoring and managing its available energy, logging information from sensors and sharing this data over a wireless network.


The board is designed to connect to the DC2344A or DC2509A energy harvesting demonstration boards which output a regulated power supply as well as status information from energy harvesting ICs and their backup batteries. Two coulomb counters on the DC2321A allow the processor to monitor the energy output of these batteries which will vary depending on the amount of energy which can be harvested from the system’s surroundings.


A DC2274A-A SmartMesh Manager must be used in order to evaluate the networking features of the DC2321A.

eval board
schematic 2
schematic 3
schematic 4
schematic 5
schematic 6
DC2048A

LTC3330EUH Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender

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Product Details

Demonstration Circuit 2048A is a nanopower buckboost DC/DC with energy harvesting battery life extender featuring the LTC3330. The LTC3330 integrates a high voltage energy harvesting power supply plus a DC/DC converter powered by a primary cell battery to create a single output supply for alternative energy applications. The energy harvesting power supply, consisting of an integrated low-loss full-wave bridge with a high voltage buck converter, harvests energy from piezoelectric, solar or magnetic sources. The primary cell input powers a buck-boost converter capable of operating down to 1.8V at its input. Either DC/DC converter can deliver energy to a single output.


 
DC2321A
Dust Energy Harvesting Demo Board with E-Ink Display, Designed to Connect to the DC2344A or DC2509A
DC2321A Evaluation Board
DC2048A
LTC3330EUH Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender
DC2048A Demo Board DC2048A Demo Board DC2048A Demo Board DC2048A Demo Board DC2048A - Schematic

Latest Discussions

2 Years Ago
RE: LTC3330 If not using buck-boost converter, float Pins SWA and SWB ?
2 Years Ago
RE: LTC3330 Bridge Rectifier Current Leakage, damage modes
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