LTC4098EPDC#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger and PowerPath Controller
• Characteristics: High Efficiency, Compact Size, Wide Input Voltage Range
• Package: DFN-12
• Essence: Efficient Charging and Power Management Solution
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Charge Current Range: Up to 1A
• Operating Temperature Range: -40°C to 85°C
• Battery Float Voltage: Programmable from 3.5V to 4.45V
• Battery Charge Termination: Programmable C/10 or C/20 current threshold
• PowerPath Control: Ideal Diode Controller with Reverse Blocking
• Battery Temperature Monitoring: Thermistor Input for Accurate Charging
• Status Indication: Charge, Fault, and Power Good Indicators

Pin Configuration

The LTC4098EPDC#TRPBF package consists of 12 pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ├───┼───┤ │ 3 │ 4 │ ├───┼───┤ │ 5 │ 6 │ ├───┼───┤ │ 7 │ 8 │ ├───┼───┤ │ 9 │10 │ ├───┼───┤ │11 │12 │ └───┴───┘

Functional Features

1. Efficient charging of single-cell Li-Ion batteries.
2. PowerPath control for seamless power transfer between input and battery.
3. Reverse blocking ideal diode controller for low-loss power switching.
4. Programmable battery float voltage and charge termination current threshold.
5. Accurate battery temperature monitoring for safe charging.
6. Status indicators for charge, fault, and power good conditions.

Advantages

• High efficiency charging ensures maximum battery capacity utilization.
• Compact size allows integration into space-constrained applications.
• Wide input voltage range enables versatile usage with various power sources.
• Programmable parameters provide flexibility for different battery chemistries.
• Accurate temperature monitoring prevents overcharging and enhances safety.

Disadvantages

• Limited to single-cell Li-Ion battery charging applications.
• Requires external components for complete power management solution.
• Not suitable for high-power applications due to current limitations.

Working Principles

The LTC4098EPDC#TRPBF is designed to efficiently charge a single-cell Li-Ion battery while providing seamless power transfer between the input source and the battery. It incorporates a reverse blocking ideal diode controller, which minimizes power loss during power switching. The device also features programmable battery float voltage and charge termination current threshold, allowing customization for different battery chemistries.

Battery temperature monitoring is achieved through an external thermistor, ensuring safe charging by preventing overcharging. The LTC4098EPDC#TRPBF provides status indicators for charge, fault, and power good conditions, enabling easy monitoring of the charging process.

Detailed Application Field Plans

The LTC4098EPDC#TRPBF is widely used in portable electronic devices, such as smartphones, tablets, and wearable devices, where efficient battery charging and power management are crucial. It is also suitable for applications that require compact size and wide input voltage range, such as wireless sensors, IoT devices, and handheld medical devices.

Alternative Models

1. LTC4098EPDC#PBF: Same features and specifications, but in a 12-pin DFN package.
2. LTC4098EPDC#PBF-1: Similar to LTC4098EPDC#PBF, but with extended operating temperature range (-40°C to 125°C).
3. LTC4098EPDC#TRMPBF: Same features and specifications, but in a 12-pin MSOP package.

These alternative models provide options for different package preferences and extended temperature range requirements.

Word count: 511 words