LTC4002EDD-8.4

The LTC4002EDD-8.4 is a high-efficiency, step-down battery charger designed for lithium-ion (Li-Ion) batteries. It is specifically tailored for applications requiring a fixed charge voltage of 8.4V, suitable for charging 2-cell Li-Ion battery packs. The device integrates a constant current/constant voltage (CC/CV) charging algorithm, providing precise voltage and current regulation necessary for safe and efficient charging.
Key features include an input voltage range up to 28V, programmable charge current up to 4A, and a high level of integration that reduces the need for external components. The LTC4002EDD-8.4 offers various protection features such as thermal regulation, reverse current blocking, and a timer for charge termination, ensuring both safety and longevity of the battery. It also supports low power modes to reduce power consumption when the device is not actively charging. The device is typically housed in a thermally enhanced, 16-lead DFN package, suitable for space-constrained applications in portable electronics.
Overall, the LTC4002EDD-8.4 provides a reliable and efficient solution for charging multi-cell Li-Ion battery packs.

The LTC4002EDD-8.4 is a high-efficiency, step-down battery charger designed for 2-cell lithium-ion or lithium-polymer batteries. Key features include:
1. High Efficiency: Optimized for efficiency, reducing heat generation during charging.
2. Constant-Current/Constant-Voltage (CC/CV) Operation: Ensures smooth transition from constant current to constant voltage charging phases.
3. Input Voltage Range: Wide input voltage range, typically from 4.5V to 9.8V, compatible with various power sources.
4. Programmable Charge Current: Allows setting the charge current up to 4A with an external resistor.
5. Charge Termination: Automatic charge termination based on current, ensuring safe charging.
6. Thermal Regulation: Prevents overheating by reducing charge current if the IC temperature exceeds safe limits.
7. Status Indicator: Provides charge status outputs, facilitating monitoring of the charging process.
8. Compact Package: Available in a 10-lead exposed pad DFN package, providing efficient thermal performance in a compact form.
These features make the LTC4002EDD-8.4 an excellent choice for portable devices requiring efficient and reliable battery charging solutions.

The LTC4002EDD-8.4 is a battery charger IC provided in a 10-lead plastic DFN (Dual Flat No Lead) package. DFN packages are known for their compact size and efficient thermal performance, making them suitable for applications requiring space-saving solutions.

The LTC4002EDD-8.4 is a high-efficiency, stand-alone, synchronous buck battery charger intended for lithium-ion/polymer battery applications. It is designed for use in charging two series-connected cells. The device comes in a 10-pin DFN (Dual Flat No-leads) package.
Here is a concise description of its pin functions:
1. VIN: Input supply voltage.
2. SW: Switch node connection, inductor tied to this pin.
3. GND: Ground connection.
4. CHRG: Open-drain charge status output.
5. BAT: Battery connection.
6. ITH: Control loop compensation point.
7. VFB: Voltage feedback input, for setting the battery charge voltage.
8. PROG: Charge current program and charge current monitor pin.
9. NTC: Input for temperature-qualified charging.
10. SHDN: Shutdown input.
These pins are used to control the charging process, monitor status, and ensure safety features like temperature-based charging optimization. The LTC4002EDD-8.4 is suitable for embedded applications requiring efficient and reliable charging solutions for Li-ion/polymer batteries.

The manufacturer of the LTC4002EDD-8.4 is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are used in various electronic equipment for industries such as industrial automation, automotive, communications, consumer electronics, and healthcare. The company is known for its expertise in converting, conditioning, and processing real-world phenomena such as temperature, pressure, sound, light, speed, and motion into electrical signals for use in a wide range of applications.

The LTC4002EDD-8.4 is a high-efficiency, step-down lithium-ion battery charger integrated circuit. Its applications include portable electronic devices, battery-powered equipment, medical instruments, and industrial and consumer electronics that require reliable lithium-ion or lithium-polymer battery charging. It is particularly suited for devices needing efficient, compact, and fast charging solutions, such as smartphones, tablets, power banks, and other rechargeable gadgets.

The LTC4002EDD-8.4 is a lithium-ion battery charger IC. Equivalent products may include the MCP73844 from Microchip, the BQ24040 from Texas Instruments, and the MAX745 from Maxim Integrated. Ensure to check the specific features and electrical characteristics as there can be differences in voltage, current, and additional functionalities.