LTC4006EGN-2

The LTC4006EGN-2 is a high-efficiency, multi-cell, synchronous step-down battery charger designed by Linear Technology (now part of Analog Devices). It is specifically engineered to charge Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Poly) batteries. This integrated circuit (IC) features a precision current-sense amplifier and a high-accuracy voltage regulation loop, ensuring optimal charging performance.
Key features of the LTC4006EGN-2 include programmable charge current and voltage, automatic recharge, and termination control. It supports up to 4 cells in series and offers thermal regulation to prevent overheating during charging. The IC also includes overvoltage protection, undervoltage lockout, and a power path control function to ensure safe and reliable operation.
With its synchronous rectification, the LTC4006EGN-2 achieves high efficiency, reducing power loss and heat generation. It is suitable for applications such as portable devices, notebook computers, and backup power systems. The IC is housed in a thermally enhanced 16-lead SSOP package, facilitating compact designs.

The LTC4006EGN-2 is a lithium-ion battery charger controller. Equivalent products include the MCP73871 from Microchip, the BQ24610 from Texas Instruments, and the MAX1771 from Maxim Integrated. These products offer similar functionalities such as managing the charging process for lithium-ion batteries. However, always check the specific requirements and specifications to ensure compatibility with your design.

The LTC4006EGN-2 is a high-efficiency, multi-cell Li-Ion battery charger controller. Key features include:
1. Wide Input Voltage Range: Operates from 9V to 28V, suitable for various power sources.
2. Charge Current Control: Offers programmable charge current with ±5% accuracy, allowing flexibility in charging.
3. Efficiency: High-efficiency operation reduces power loss and thermal issues.
4. Cell Count Flexibility: Supports charging of 2-4 series Li-Ion cells.
5. Safety Features: Includes overvoltage protection, thermal limiting, and reverse current protection to ensure safe operation.
6. Charge Termination: Automatic charge termination based on user-set currents.
7. Battery Conditioning: Preconditioning for deeply discharged batteries ensures safe charging initiation.
8. Status Outputs: Provides status indication via LEDs for charging, fault, and battery present conditions.
9. Compact Package: Available in a 20-pin SSOP package, suitable for space-constrained applications.
The LTC4006EGN-2 is ideal for applications requiring efficient and safe charging of Li-Ion batteries, such as portable electronics and backup power systems.

The LTC4006EGN-2 is a multi-cell lithium-ion battery charger controller with a 16-pin configuration. The IC is designed to charge batteries with high efficiency using a constant-current/constant-voltage charging algorithm. Key functions of the pins include:
1. VDD: Power Supply for the IC.
2. GND: Ground.
3. PROG: Programs the charge current.
4. SENSE: Current sense input.
5. BAT: Battery voltage sense input.
6. VOUT: Output voltage to the battery.
7. SHDN: Shutdown control.
8. NTC: Temperature sensing input.
9. TIMER: Sets the charge termination time.
10. CLP: Charge limit programming.
11. CHRG: Open-drain charge status output.
12. ACP: Input power present indicator.
13. ISET: Sets the maximum charge current.
14. CELLS: Programs the number of cells.
15. VFB: Feedback input for voltage regulation.
16. RNG/SS: Range selection and soft start.
These pins work together to manage the charging process by controlling parameters like charge current, voltage, and timing, ensuring safe and efficient charging of multi-cell lithium-ion batteries.

The LTC4006EGN-2 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and production of a wide range of analog, mixed-signal, and digital signal processing integrated circuits. The company is known for its high-performance solutions that are used in various industries, including automotive, communications, consumer electronics, healthcare, and industrial applications. Analog Devices provides a broad portfolio of products, including amplifiers, data converters, power management devices, sensors, and signal processing ICs.

The LTC4006EGN-2 is a high-efficiency, programmable, multi-chemistry battery charger. Its application areas include portable electronics, laptops, medical devices, and any equipment requiring efficient battery management and charging. It offers flexibility for use with various battery chemistries, such as Li-ion, NiMH, and lead-acid, making it suitable for diverse consumer and industrial applications. Its features, such as input current limiting and safety timers, enhance its utility in environments where battery safety and longevity are critical.

The LTC4006EGN-2 is typically available in a 16-lead Narrow Small Outline Package (NSOIC), also referred to as a thermally enhanced SOIC-16 (N) package.