LTC4058EDD-4.2

The LTC4058EDD-4.2 is a high-performance lithium-ion battery charger IC designed for single-cell applications. It features a programmable charge current and a constant voltage output set at 4.2V, making it ideal for charging standard lithium-ion cells. This IC includes a built-in power management system, which optimizes efficiency and extends battery life.
Key features include an adjustable charge current, a thermal regulation mechanism to prevent overheating, and an automatic shutoff feature that prevents overcharging. The LTC4058EDD-4.2 also supports various charging modes, including trickle charge for deeply discharged batteries and preconditioning to enhance battery health.
Its compact package and minimal external component requirements make it suitable for space-constrained designs in portable devices. The IC operates over a wide input voltage range and provides various safety features such as overcurrent protection and thermal shutdown. Overall, the LTC4058EDD-4.2 is a robust solution for efficient and reliable lithium-ion battery charging in consumer electronics, wearables, and other applications.

The LTC4058EDD-4.2 is a lithium-ion battery charger IC designed for a variety of applications. Key features include:
1. Constant-Current/Constant-Voltage (CC/CV) Operation: Provides efficient charging with a two-phase charging process.
2. Programmable Charge Current: Users can set the charging current up to 1A.
3. 4.2V Float Voltage: Specifically designed for charging lithium-ion batteries with a 4.2V cut-off.
4. Thermal Regulation: Automatically adjusts the charge current to prevent overheating.
5. Low Standby Current: Consumes minimal power when not in active use.
6. Integrated MOSFETs: Simplifies the design by eliminating the need for external components.
7. Charge Status Indicator: LED outputs for charging status (charging, done, and fault).
8. Wide Supply Voltage Range: Operates from 4.5V to 16V input voltage.
9. Short-Circuit Protection: Safeguards against potential damage during operation.
10. Compact Package: Available in a small 20-lead TSSOP package for space-constrained applications.
These features make the LTC4058EDD-4.2 ideal for portable electronics, battery-powered devices, and other applications requiring efficient battery management.

The LTC4058EDD-4.2 is available in a 16-lead, 3mm × 3mm DFN (Dual Flat No-lead) package. This compact package design facilitates efficient thermal performance and space-saving in electronic applications.

The LTC4058EDD-4.2 is a lithium-ion battery charger IC with a pin count of 16. Its primary functions include:
1. Battery Charging: Designed for charging single-cell lithium-ion batteries with a fixed output voltage of 4.2V.
2. Input Voltage Regulation: Accepts a wide range of input voltages, typically from USB or wall adapters.
3. Charge Management: Features constant current/constant voltage (CC/CV) charging with programmable charge current.
4. Thermal Regulation: Implements thermal regulation to avoid overheating during charging.
5. Programmable Timers: Supports timeout functions to prevent overcharging.
6. Status Indicators: Provides status outputs to indicate charging status (charging, done, etc.).
7. Safety Features: Includes protections against overvoltage and temperature issues.
The pinout includes power, ground, input voltage, output voltage, status indicators, and programming options for current settings and timers.

The LTC4058EDD-4.2 is manufactured by Analog Devices, Inc. (ADI), a prominent semiconductor company known for its high-performance analog, mixed-signal, and digital signal processing technologies. Founded in 1965, Analog Devices designs and manufactures a wide range of integrated circuits (ICs) used in various applications, including industrial, automotive, communications, and consumer electronics. The LTC4058 is specifically a lithium-ion battery charger IC, showcasing ADI's focus on providing innovative solutions for power management and energy-efficient systems. The company is recognized for its commitment to quality, reliability, and advanced technology, making it a leader in the electronics industry.

The LTC4058EDD-4.2 is primarily used in battery charging applications, particularly for lithium-ion and lithium-polymer batteries. Its key application areas include portable electronic devices, rechargeable battery packs, wearables, and electric vehicles. The device is designed for constant current/constant voltage (CC/CV) charging, making it suitable for various consumer electronics and industrial applications requiring efficient and reliable battery management.

Equivalent products to the LTC4058EDD-4.2 chip include the MCP73831, TP4056, and BQ24074. These chips also provide lithium-ion battery charging with similar functionalities and specifications, suitable for various applications. Always verify specific parameters and features to ensure compatibility with your design requirements.