LTC4058EDD-4.2#PBF

Product Overview

Use

This product is primarily used for charging lithium-ion batteries.

Characteristics

Input Voltage Range: 4.75V to 6V
Output Voltage: 4.2V
Charging Current: Up to 800mA
Standby Current: <1µA
Package Type: DFN-10
Essence: Battery charger IC with specific voltage and current specifications
Packaging/Quantity: Available in tape and reel packaging, quantity varies based on order size

Specifications

The LTC4058EDD-4.2#PBF has the following specifications:

Input Voltage Range: 4.75V to 6V
Output Voltage: 4.2V ±1%
Charging Current: Up to 800mA
Standby Current: <1µA
Charge Termination: C/10
Preconditioning: 10% of full-scale current
Temperature Range: -40°C to +85°C
Package Type: DFN-10

Detailed Pin Configuration

The LTC4058EDD-4.2#PBF has the following pin configuration:

VIN (Input Voltage)
GND (Ground)
PROG (Charging Current Programming)
STAT (Status Indicator)
CE (Charge Enable)
VBAT (Battery Voltage)
TS (Thermal Shutdown)
N/C (No Connection)
N/C (No Connection)
VOUT (Output Voltage)

Functional Features

Programmable charging current through the PROG pin.
Status indicator (STAT) provides information about charging status.
Charge enable (CE) pin allows for easy control of charging process.
Thermal shutdown (TS) feature protects the IC from overheating.

Advantages and Disadvantages

Advantages

Wide input voltage range allows for flexibility in power source selection.
Programmable charging current enables customization based on battery requirements.
Status indicator provides visual feedback on charging progress.
Thermal shutdown feature ensures safe operation even under high temperature conditions.

Disadvantages

Limited to charging lithium-ion batteries only.
Package type may not be suitable for all applications.

Working Principles

The LTC4058EDD-4.2#PBF operates as a linear charger for lithium-ion batteries. It regulates the charging process by controlling the charging current and monitoring the battery voltage. The programmable charging current allows for customization based on the specific battery requirements. The charge termination is based on the C/10 method, ensuring proper charging without overcharging the battery. The thermal shutdown feature protects the IC from excessive heat, enhancing its reliability and safety.

Detailed Application Field Plans

The LTC4058EDD-4.2#PBF can be used in various applications that require lithium-ion battery charging. Some potential application fields include: 1. Portable electronic devices such as smartphones, tablets, and digital cameras. 2. Wearable devices like smartwatches and fitness trackers. 3. Portable medical devices such as blood glucose monitors and pulse oximeters. 4. Industrial equipment that utilizes lithium-ion batteries for power backup or energy storage.

Detailed and Complete Alternative Models

Some alternative models to the LTC4058EDD-4.2#PBF include: 1. MCP73831: Linear charge management controller with similar specifications. 2. BQ24075: Single-cell Li-Ion battery charger IC with integrated power path management. 3. MAX1555: Stand-alone linear Li+ battery charger with thermal regulation.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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技術ソリューションにおける LTC4058EDD-4.2#PBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LTC4058EDD-4.2#PBF in technical solutions:

Q: What is LTC4058EDD-4.2#PBF? A: LTC4058EDD-4.2#PBF is a specific model of a battery charger IC manufactured by Linear Technology (now part of Analog Devices). It is designed for charging single-cell lithium-ion/polymer batteries.
Q: What is the input voltage range for LTC4058EDD-4.2#PBF? A: The input voltage range for LTC4058EDD-4.2#PBF is typically between 4.75V and 6V.
Q: What is the maximum charge current supported by LTC4058EDD-4.2#PBF? A: LTC4058EDD-4.2#PBF supports a maximum charge current of 800mA.
Q: Can LTC4058EDD-4.2#PBF be used for fast charging applications? A: No, LTC4058EDD-4.2#PBF is not specifically designed for fast charging. It is more suitable for slower or trickle charging applications.
Q: Does LTC4058EDD-4.2#PBF have built-in overcharge protection? A: Yes, LTC4058EDD-4.2#PBF has built-in overcharge protection to prevent damage to the battery during charging.
Q: What is the output voltage of LTC4058EDD-4.2#PBF? A: The output voltage of LTC4058EDD-4.2#PBF is fixed at 4.2V, which is suitable for charging lithium-ion/polymer batteries.
Q: Can LTC4058EDD-4.2#PBF be used with other battery chemistries? A: No, LTC4058EDD-4.2#PBF is specifically designed for lithium-ion/polymer batteries and may not be suitable for other chemistries.
Q: Does LTC4058EDD-4.2#PBF have a thermal shutdown feature? A: Yes, LTC4058EDD-4.2#PBF has a built-in thermal shutdown feature to protect the IC from overheating.
Q: What is the typical efficiency of LTC4058EDD-4.2#PBF? A: The typical efficiency of LTC4058EDD-4.2#PBF is around 85-90%, depending on the input voltage and load conditions.
Q: Are there any evaluation boards or reference designs available for LTC4058EDD-4.2#PBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC4058EDD-4.2#PBF, which can help in understanding its application and performance in different scenarios.

Please note that these answers are based on general knowledge about LTC4058EDD-4.2#PBF and may vary depending on specific datasheet specifications and application requirements.