LTC4069EDC-4.4#TRPBF

Product Overview

Category

LTC4069EDC-4.4#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in battery charging applications.

Characteristics

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 4.4V
• Charging Current: Up to 1A
• Package Type: DFN (Dual Flat No-Lead)
• Essence: Battery charger IC with thermal regulation and reverse battery protection
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

The LTC4069EDC-4.4#TRPBF has the following specifications:

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 4.4V ±1%
• Charging Current: Up to 1A
• Charge Termination: Programmable
• Reverse Battery Protection: Yes
• Thermal Regulation: Yes
• Package Type: DFN (Dual Flat No-Lead)
• Package Dimensions: 3mm x 3mm
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC4069EDC-4.4#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. STAT: Status output pin
4. PROG: Programming pin
5. VBAT: Battery voltage pin
6. VOUT: Output voltage pin

Functional Features

• Integrated thermal regulation ensures safe charging by reducing charge current when the device temperature exceeds a certain threshold.
• Reverse battery protection prevents damage to the charger and the connected circuitry in case of accidental reverse battery connection.
• Programmable charge termination allows customization of the charging process based on specific battery requirements.
• Status output pin provides information about the charging status, such as charging in progress or charge complete.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Integrated thermal regulation protects the device and battery from overheating.
• Reverse battery protection prevents damage due to reverse polarity connection.
• Programmable charge termination allows optimization for different battery chemistries.
• Small package size (DFN) saves board space.

Disadvantages

• Limited output voltage options (specifically designed for 4.4V).
• Not suitable for high-current charging applications.

Working Principles

The LTC4069EDC-4.4#TRPBF is a battery charger IC that operates by regulating the charging current and monitoring the battery voltage. It uses a programmable charge termination algorithm to determine when the battery is fully charged. The integrated thermal regulation feature ensures safe operation by reducing the charge current if the device temperature exceeds a certain threshold. Additionally, the reverse battery protection circuitry prevents damage caused by accidental reverse battery connection.

Detailed Application Field Plans

The LTC4069EDC-4.4#TRPBF is commonly used in various battery-powered applications, including:

1. Portable electronic devices: This IC can be used to charge batteries in smartphones, tablets, portable speakers, and other handheld devices.
2. IoT devices: Battery-powered sensors, smart home devices, and wearable gadgets can benefit from the charging capabilities of LTC4069EDC-4.4#TRPBF.
3. Industrial equipment: Battery-powered tools, measurement instruments, and wireless communication devices often require efficient and reliable battery charging solutions.

Detailed and Complete Alternative Models

1. LTC4069EDC-4.2#TRPBF: Similar to LTC4069EDC-4.4#TRPBF, but with an output voltage of 4.2V.
2. LTC4069EDC-4.0#TRPBF: Similar to LTC4069EDC-4.4#TRPBF, but with an output voltage of 4.0V.
3. LTC4069EDC-3.6#TRPBF: Similar to LTC4069EDC-4.4#TRPBF, but with an output voltage of 3.6V.

These alternative models provide different output voltage options to suit specific battery requirements.

In conclusion, the LTC4069EDC-4.4#TRPBF is a versatile battery charger IC that offers thermal regulation, reverse battery protection, and programmable charge termination. Its wide input voltage range and small package size make it suitable for various battery-powered applications. However, it has limited output voltage options and may not be suitable for high-current charging applications.