Analog Devices Inc. LTC4156EUFD#PBF

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series PowerPath™
Packaging Tube |
Battery Chemistry Lithium Iron Phosphate
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features -
Fault Protection Over Voltage
Charge Current - Max 3.7A
Battery Pack Voltage 3.8V
Voltage - Supply (Max) 5.5V
Interface I2C, USB
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 28-WFQFN Exposed Pad
Supplier Device Package 28-QFN (4x5)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LTC4156EUFD is a high-current battery charger IC from Analog Devices specifically for single-cell Lithium Iron Phosphate (LiFePO4) batteries. It delivers a charge current up to 3.7A at a 3.8V battery voltage. Featuring an I2C interface for digital control and integrated Over Voltage protection, this charger is housed in a 28-WFQFN package. It is designed for demanding applications requiring fast charging and wide temperature operation.

  • High-Speed Charging: Delivers up to 3.7A, minimizing charge time for LiFePO4 cells.
  • Chemistry-Specific Design: Optimized for the 3.8V charge voltage of Lithium Iron Phosphate batteries.
  • Digital Monitoring: I2C interface allows for precise control and telemetry.
  • Extended Temperature Range: Rated for -40°C to 125°C junction temperature, suitable for industrial use.

High-Capacity LiFePO4 Power Tools

Charge single-cell Lithium Iron Phosphate batteries in professional power tools at up to 3.7A, enabling rapid turnaround.

Solar-Powered Storage Systems

Ideal for charging LiFePO4 cells in small-scale solar energy storage units, with I2C for system monitoring.

Portable Jump Starters

Provides a high-current charge path for LiFePO4 packs used in automotive jump starters, ensuring quick readiness.

Industrial Sensor Nodes

Operates over a -40°C to 125°C junction temperature range, making it suitable for remote industrial sensors with LiFePO4 power.

Electric Bicycle Batteries

Supports fast charging of single-cell LiFePO4 batteries in e-bike applications, with robust overvoltage protection.

Q: What battery chemistry does the LTC4156EUFD support?
A: It is designed for Lithium Iron Phosphate (LiFePO4) batteries.
Q: How many cells can it charge?
A: It supports a single cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 3.7A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 3.8V.
Q: What fault protection is included?
A: It includes Over Voltage protection.
Q: What interface does it use?
A: It uses both I2C and USB interfaces.
Base Product Number : LTC4156EUFD
28-WFQFN 3.7A 3.8V Battery Charger I2C Lithium Iron Phosphate USB Battery Charger
Q: What battery chemistry does the LTC4156EUFD support?
A: It is designed for Lithium Iron Phosphate (LiFePO4) batteries.
Q: How many cells can it charge?
A: It supports a single cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 3.7A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 3.8V.
Q: What fault protection is included?
A: It includes Over Voltage protection.
Q: What interface does it use?
A: It uses both I2C and USB interfaces.