Analog Devices Inc. LTC4091IDJC#PBF

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging Tube |
Battery Chemistry Lithium Ion/Polymer
Number of Cells -
Current - Charging -
Programmable Features Timer
Fault Protection Over Temperature
Charge Current - Max 1.5A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 36V
Interface -
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 22-WFDFN Exposed Pad
Supplier Device Package 22-DFN (6x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LTC4091IDJC#PBF is a battery charger IC for single-cell Lithium Ion/Polymer batteries, delivering up to 1.5A charge current and a 4.2V target voltage. It features Over Temperature protection and operates over a wide junction temperature range of -40°C to 125°C. The 22-WFDFN package with exposed pad makes it suitable for space-constrained, high-reliability applications.

  • Wide Temperature Operation: Rated for -40°C to 125°C (TJ), ideal for automotive and industrial use.
  • Adequate Charge Current: 1.5A supports efficient charging of single-cell Li-Po batteries.
  • Thermal Protection: Over Temperature protection prevents overheating during charging.
  • Compact Design: 22-WFDFN package with exposed pad enables compact PCB layouts.

Automotive Telematics Units

The LTC4091IDJC#PBF's -40°C to 125°C junction temperature range makes it ideal for charging 4.2V Li-Ion/Polymer backup batteries in automotive telematics and tracking systems.

Industrial Sensors

For remote industrial sensors with single-cell Li-Po batteries, this charger provides 1.5A charging with Over Temperature protection in harsh environments.

Portable Instrumentation

Field-deployed multimeters and calibrators benefit from the wide temperature range and reliable 4.2V charging of this IC.

Emergency Locator Beacons

In safety-critical beacons, the LTC4091IDJC#PBF ensures dependable charging of Li-Po cells across extreme temperature variations.

Smart Grid Meters

Smart meters with battery backup use this charger for its robust thermal performance and Over Temperature protection, ensuring long-term reliability.

Q: What battery chemistry does the LTC4091IDJC#PBF support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: What is the maximum charge current?
A: The maximum charge current is 1.5A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 4.2V.
Q: What fault protection is included?
A: It includes Over Temperature protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C (TJ).
Q: What package is available?
A: It comes in a 22-WFDFN exposed pad package.
Base Product Number : LTC4091IDJC
1.5A 22-WFDFN 4.2V Battery Charger Linear Charger Lithium Ion/Polymer
Q: What battery chemistry does the LTC4091IDJC#PBF support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: What is the maximum charge current?
A: The maximum charge current is 1.5A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 4.2V.
Q: What fault protection is included?
A: It includes Over Temperature protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C (TJ).
Q: What package is available?
A: It comes in a 22-WFDFN exposed pad package.