LTC4098EPDC#PBF

Product Overview

Category

LTC4098EPDC#PBF belongs to the category of power management integrated circuits (PMICs).

Use

This product is primarily used for managing and charging lithium-ion/polymer batteries in portable electronic devices.

Characteristics

• High efficiency power path management
• Integrated battery charger
• Wide input voltage range
• Programmable charge current
• Thermal regulation for optimal charging
• Low quiescent current

Package

LTC4098EPDC#PBF is available in a 12-pin DFN (Dual Flat No-Lead) package.

Essence

The essence of LTC4098EPDC#PBF lies in its ability to efficiently manage and charge lithium-ion/polymer batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Charge Current Range: 10mA to 1.5A
• Operating Temperature Range: -40°C to 85°C
• Battery Float Voltage: 4.2V
• Quiescent Current: 35µA

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. PROG: Charge current programming pin
4. STAT: Status output pin
5. CE: Enable pin
6. TS: Thermistor input pin
7. BAT: Battery voltage sense pin
8. VOUT: Output voltage pin
9. ISET: Current limit programming pin
10. SDA: I²C data pin
11. SCL: I²C clock pin
12. INTVCC: Internal voltage regulator output pin

Functional Features

• Power path management: Allows the system to be powered directly from the input source while simultaneously charging the battery.
• Integrated battery charger: Provides a complete charging solution for lithium-ion/polymer batteries.
• Programmable charge current: Enables flexibility in selecting the desired charge current based on battery capacity and other factors.
• Thermal regulation: Ensures safe and efficient charging by dynamically adjusting the charge current based on temperature conditions.
• Low quiescent current: Minimizes power consumption when the device is not actively charging.

Advantages and Disadvantages

Advantages

• High efficiency power path management improves overall system performance.
• Wide input voltage range allows compatibility with various power sources.
• Programmable charge current offers flexibility in battery charging.
• Thermal regulation ensures safe and efficient charging.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited to managing and charging lithium-ion/polymer batteries only.
• Requires additional external components for complete system integration.

Working Principles

LTC4098EPDC#PBF operates by utilizing a power path management technique, which allows the system to draw power directly from the input source while simultaneously charging the connected lithium-ion/polymer battery. The integrated battery charger provides a complete charging solution, ensuring optimal charging parameters such as charge current and float voltage. The device also incorporates thermal regulation to adjust the charge current based on temperature conditions, preventing overheating and maximizing battery life.

Detailed Application Field Plans

LTC4098EPDC#PBF finds applications in a wide range of portable electronic devices, including but not limited to: - Smartphones and tablets - Portable media players - Wearable devices - GPS navigation systems - Portable gaming consoles

Detailed and Complete Alternative Models

1. LTC4098EUFD#PBF
2. LTC4098EDE#PBF
3. LTC4098EFE#PBF
4. LTC4098IUFD#PBF
5. LTC4098IDE#PBF

These alternative models offer similar functionality and features, providing options for different package types or specific requirements.

In conclusion, LTC4098EPDC#PBF is a power management integrated circuit designed for efficient lithium-ion/polymer battery management and charging in portable electronic devices. With its high efficiency, programmable charge current, and thermal regulation capabilities, it offers significant advantages in terms of system performance and battery life. However, it is important to consider the limitations of being limited to lithium-ion/polymer batteries and the need for additional external components for complete integration.