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LTC4054XES5-4.2#PBF The Linear Technology LTC4054XES5-4.2#PBF is a standalone linear Li-Ion battery charger IC. It offers a programmable charge current up to 800mA and a preset 4.2V charge voltage.
Mfr Part #:

LTC4054XES5-4.2#PBF

Available from 1 distributors
Mfr Name: Linear Technology
Linear Technology
The Linear Technology LTC4054XES5-4.2#PBF is a standalone linear Li-Ion battery charger IC. It offers a programmable charge current up to 800mA and a preset 4.2V charge voltage.
✓ Total Stock: 2,015 pcs

LTC4054XES5-4.2#PBF Available from 1 distributor

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✓ Non-Authorised
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Optech Co.,Limited ✓
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2,015 pcs
On Request
2015 pcs On Request 1 On Request On Request 24+ On Request On Request
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LTC4054XES5-4.2#PBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Charge Current
Number of Cells
Operating Temperature
Package / Case
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LTC4054XES5-4.2#PBF Description

Short technical summary and product information.

The Linear Technology LTC4054XES5-4.2#PBF is a standalone linear Li-Ion battery charger IC designed for single-cell lithium-ion batteries. It operates with constant-current/constant-voltage (CC/CV) characteristics, incorporating thermal regulation to maximize charge rate without overheating.

 

Key electrical specifications include a programmable charge current of up to 800mA and a preset charge voltage of 4.2V with ±1% accuracy. The device requires no external MOSFET, sense resistor, or blocking diode, simplifying the design. It can charge single-cell Li-Ion batteries directly from a USB port.

 

The charger is housed in a ThinSOT-23 package, suitable for space-constrained applications. It operates within a temperature range of 0°C to 85°C and has a maximum input voltage of 6.5V. The charge termination is set at C/10.

 

This IC is ideal for portable electronic devices requiring efficient and reliable battery charging solutions.

LTC4054XES5-4.2#PBF Quick Information

Product Type: Battery Charger IC
Series: LTC4054X-4.2
Canonical Name: Linear Technology LTC4054XES5-4.2#PBF Standalone Linear Li-Ion Battery Charger
Subcategory: Linear Battery Chargers

LTC4054XES5-4.2#PBF Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LTC4054XES5-4.2#PBF Features

  • Programmable charge current up to 800mA.
  • Preset 4.2V charge voltage with ±1% accuracy.
  • No external MOSFET or sense resistor needed.
  • Constant-current/constant-voltage operation.
  • Compact SOT-23 ThinSOT package.

LTC4054XES5-4.2#PBF Applications

  • Ideal for single-cell Li-Ion batteries.
  • Suitable for USB powered devices.
  • Used in portable electronic equipment.
  • Enables efficient battery charging.

LTC4054XES5-4.2#PBF FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum charge current of the LTC4054XES5-4.2#PBF?

The maximum charge current is 800mA.

What is the float voltage of this battery charger?

The nominal float voltage is 4.2V.

What is the operating temperature range?

The operating temperature range is 0°C to 85°C.

What package is the LTC4054XES5-4.2#PBF available in?

It is available in a SOT-23 package.

How many cells does this charger support?

It supports a single cell.

What is the input voltage range for this charger?

The input voltage range is 4.25V to 6.5V.

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