LTC4002ES8-8.4

The LTC4002ES8-8.4 is a precision, standalone, constant-current/constant-voltage (CC/CV) battery charger integrated circuit (IC) designed for lithium-ion (Li-Ion) batteries. It is often used in applications requiring efficient charging with minimal external components. The device is capable of charging a single cell or two-cell Li-Ion batteries, providing a regulated output voltage of 8.4V in the -8.4 variant.
Key features include automatic charge current reduction when the input voltage is low, thermal regulation to maximize charge rate without overheating, and a low 0.5mA shutdown current to extend battery life when not in use. The LTC4002ES8-8.4 also incorporates safety features like overvoltage protection and reverse-polarity protection.
The IC is typically housed in an 8-lead SOIC package and can provide up to 2A of charge current, which can be set via an external resistor. Its simplicity and reliability make it suitable for portable devices, battery-backup systems, and other applications requiring safe and efficient Li-Ion battery charging.

The LTC4002ES8-8.4 is a standalone lithium-ion battery charger designed for single-cell and dual-cell configurations. Key features of this device include:
1. Charge Voltage: It supports a regulated output voltage of 8.4V, suitable for charging two lithium-ion cells in series.

2. Current Control: The device offers a programmable charge current up to 4A, allowing flexibility based on application needs.

3. Efficiency: It utilizes a constant-current/constant-voltage (CC/CV) charging algorithm, optimizing charge efficiency and battery safety.

4. Thermal Management: Built-in thermal regulation prevents overheating by reducing the charge current if the device exceeds a specified temperature.

5. Safety Features: Includes overvoltage protection and automatic recharge once the battery voltage drops below a preset threshold.

6. Independence: The LTC4002ES8-8.4 operates without the need for external microcontrollers, simplifying design and reducing component count.
7. Form Factor: Packaged in a compact 8-lead SO package, it is ideal for space-constrained applications.
These features make the LTC4002ES8-8.4 suitable for portable electronics, power tools, and other applications requiring efficient and reliable lithium-ion battery charging.

The LTC4002ES8-8.4 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mount technology, providing a compact and reliable solution for electronic circuits.

The LTC4002ES8-8.4 is a lithium-ion battery charger IC. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of this IC is to charge single-cell lithium-ion batteries with a regulated constant current/constant voltage charging algorithm.
Here’s a brief overview of the pin functions:
1. VCC: Input voltage supply.
2. BAT: Battery connection point.
3. SENSE: Current sense input, used for monitoring the charging current.
4. VFB: Feedback voltage for the battery, used to set the battery regulation voltage.
5. GND: Ground connection.
6. PROG: Programs the charge current via an external resistor.
7. CHRG: Charge status indicator, open-drain output.
8. N/C: No connection.
These pins collectively allow the LTC4002ES8-8.4 to efficiently manage the charging process by controlling the input current, monitoring the battery voltage, and providing status indications.

The LTC4002ES8-8.4 is manufactured by Analog Devices, Inc. This company is a leading global high-performance analog technology company that designs, manufactures, and markets a broad portfolio of solutions, including integrated circuits, algorithms, software, and subsystems. Analog Devices focuses on transforming real-world phenomena into actionable insight in various application areas, such as data conversion, signal processing, power management, and wireless and wired connectivity. The company's products are used in a wide range of industries, including automotive, healthcare, aerospace, industrial, and telecommunications.

The LTC4002ES8-8.4 is a lithium-ion battery charger designed for various applications, including portable electronics, backup power systems, and handheld devices. Its compact design and efficient charging capabilities make it ideal for use in mobile phones, digital cameras, tablets, and other battery-powered devices that require precise and reliable charging solutions. Additionally, it can be used in automotive and industrial applications where controlled battery charging is essential.

The LTC4002ES8-8.4 is a lithium-ion battery charger IC. Equivalent products with similar functionality include the MCP73871 from Microchip, the BQ24074 from Texas Instruments, and the MAX745 from Maxim Integrated. These alternatives offer comparable battery charging capabilities and features but might differ in specifications such as input voltage range or charge current ratings. Always check the datasheets for compatibility with your specific application requirements.