Analog Devices Inc. LTC4058EDD-4.2#PBF

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging Tube |
Battery Chemistry Lithium Ion
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current
Fault Protection -
Charge Current - Max 950mA
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6.5V
Interface -
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-WFDFN Exposed Pad
Supplier Device Package 8-DFN (3x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LTC4058EDD-4.2#PBF is a complete constant-current/constant-voltage linear charger for single-cell Lithium Ion batteries, manufactured by Analog Devices. It delivers a charge current up to 950mA with a preset battery voltage of 4.2V. This charger is designed for space-constrained portable applications, housed in a compact 8-WFDFN package. It operates over a wide temperature range of -40°C to 85°C, ensuring reliable performance in various conditions. Its simple design requires minimal external components, making it easy to integrate.

  • Compact and Simple: The 8-WFDFN package and minimal external component requirement make it ideal for small, cost-sensitive designs.
  • Preset Voltage: The 4.2V battery voltage is preset, simplifying the design and ensuring accurate charging for standard Li-Ion cells.
  • Reliable Performance: With a -40°C to 85°C operating range, it is suitable for a wide variety of environments.
  • Linear Charging: Provides a low-noise charging solution, which is beneficial for sensitive analog circuits in the device.

Compact Wearable Devices

With a 950mA charge current and tiny 8-WFDFN package, this charger is perfect for small wearables like smartwatches and fitness bands that use single-cell Li-Ion batteries.

Wireless Earbuds

The small footprint and low profile make it ideal for charging cases and the earbuds themselves, ensuring safe 4.2V charging in a compact space.

Portable Medical Sensors

For single-use or rechargeable medical patches and sensors, the wide temperature range and reliable charging profile are essential for consistent performance.

Low-Power IoT Devices

This charger is well-suited for battery-powered IoT sensors and beacons that require a simple, reliable charging solution without complex communication interfaces.

Small Portable Speakers

For compact Bluetooth speakers, the LTC4058 provides a cost-effective and space-efficient charging solution for their single-cell Li-Ion batteries.

Electric Toothbrushes and Grooming Devices

These personal care devices benefit from the charger's simplicity and safety features, ensuring a long operational life for the internal battery.

Q: What battery chemistry is the LTC4058EDD-4.2#PBF for?
A: It is designed for charging Lithium Ion (Li-Ion) batteries.
Q: How many cells does it support?
A: It supports single-cell (1s) battery configurations.
Q: What is the maximum charge current?
A: The maximum charge current is 950mA.
Q: What is the battery voltage?
A: The battery voltage is 4.2V.
Q: What is the operating temperature range?
A: It operates over a temperature range of -40°C to 85°C (TA).
Q: What package is it available in?
A: It is available in an 8-WFDFN package with an exposed pad.
Base Product Number : LTC4058
4.2V 8-WFDFN 950mA Battery Charger Linear Charger Lithium Ion Single Cell
Q: What battery chemistry is the LTC4058EDD-4.2#PBF for?
A: It is designed for charging Lithium Ion (Li-Ion) batteries.
Q: How many cells does it support?
A: It supports single-cell (1s) battery configurations.
Q: What is the maximum charge current?
A: The maximum charge current is 950mA.
Q: What is the battery voltage?
A: The battery voltage is 4.2V.
Q: What is the operating temperature range?
A: It operates over a temperature range of -40°C to 85°C (TA).
Q: What package is it available in?
A: It is available in an 8-WFDFN package with an exposed pad.