LTC3305

RECOMMENDED FOR NEW DESIGNS

Lead Acid Battery Balancer

Data Sheet Product Selection Table
Part Models
4
1ku List Price
Starting From $8.25
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Part Details

  • Single IC Balances Up to Four 12V Lead-Acid Batteries in Series
  • All NFET Design
  • Stackable to Balance Larger Series Battery Packs
  • Standalone Balancing Operation:
    • Requires No External μP or Additional Control Circuitry
  • Balancing Current Limited by External PTC Thermistor
  • Continuous Mode and Timer Mode
  • Programmable UV and OV Fault Thresholds
  • Programmable Termination Time and Termination Voltage
  • Thermally Enhanced 38-Lead TSSOP Package
  • Click here to read "Life Extension Through Charge Equalization of Lead-Acid Batteries" on IEEE Xplore
LTC3305
Lead Acid Battery Balancer
4-Battery Balancer with Programmed High and Low Battery Voltage Faults Battery Voltages Converge Over Time Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

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
Buck-Boost Battery Chargers 1
LT8490
RECOMMENDED FOR NEW DESIGNS High Voltage, High Current Buck-Boost Battery Charge Controller with Maximum Power Point Tracking (MPPT)
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Evaluation Kits

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DC2043B

LTC3305EFE Demo Board | Lead Acid Battery Balancer for 2-4 Cells

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Product Details

Demonstration circuit 2043B is a lead-acid battery balancer featuring the LTC3305. The LTC3305 balances up to four lead-acid batteries connected in series and incorporates all voltage monitoring, gate drive and fault detection circuitry. The LTC3305 employs an auxiliary battery or an alternative storage means to transfer charge to or from each individual battery within the stack. There are two operating modes, TIMER mode and CONTINUOUS mode, selected by the MODE pin. In TIMER mode, once the balancing operation is complete, the LTC3305 goes to a low power state for a programmed time and then periodically rebalances the batteries. In CONTINUOUS mode, the balancing operation continues even after the batteries are balanced to their programmed termination voltage.


 
DC2043B
LTC3305EFE Demo Board | Lead Acid Battery Balancer for 2-4 Cells
DC2043B Demo Board DC2043B Demo Board DC2043B Demo Board DC2043B Demo Board DC2043B - Demo Board Image

Latest Discussions

3 Years Ago
RE: LTC3305 Testing Method
3 Years Ago
RE: How to consider auxiliary cell for LTC3305?
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