LTC4041EUFD#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 4mm x 3mm DFN-12
• Essence: Battery Charger and PowerPath Controller
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Charging Current: Up to 2A
• Maximum Output Voltage: 4.2V
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC4041EUFD#TRPBF has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. BAT: Battery Connection
4. PROG: Charge Current Programming Pin
5. STAT: Status Indicator Output
6. PG: Power Good Indicator Output
7. INTVCC: Internal Regulator Output
8. VOUT: Output Voltage
9. ISET: Output Current Limit Programming Pin
10. EN: Enable Pin
11. TS: Thermal Shutdown Pin
12. FLT: Fault Indicator Output

Functional Features

• Simultaneous Battery Charging and System Powering
• Ideal Diode PowerPath Control
• Automatic Switchover to Battery Power in Case of Input Failure
• Programmable Charge Current
• Charge Termination Based on Battery Voltage or Current
• Reverse Leakage Protection
• Thermal Shutdown Protection
• Power Good Indicator
• Fault Indicator

Advantages and Disadvantages

Advantages: - High efficiency power management solution - Wide input voltage range allows for versatile applications - Low quiescent current minimizes power consumption - Programmable charge current offers flexibility - Integrated protection features ensure safe operation

Disadvantages: - Limited to a specific package size (DFN-12) - Not suitable for applications requiring higher charging currents

Working Principles

The LTC4041EUFD#TRPBF is a battery charger and PowerPath controller IC. It allows for simultaneous battery charging and system powering, providing seamless power management in portable devices. The device employs an ideal diode architecture that ensures minimal voltage drop between the input and output, maximizing efficiency.

The IC automatically switches between input power and battery power based on the availability of the input source. It also features programmable charge current settings, allowing users to optimize charging time and current levels according to their specific requirements.

The LTC4041EUFD#TRPBF incorporates various protection mechanisms such as reverse leakage protection, thermal shutdown, and fault indicators to safeguard the system and battery from potential damage.

Detailed Application Field Plans

The LTC4041EUFD#TRPBF is widely used in various portable electronic devices, including but not limited to:

1. Smartphones and Tablets: Enables efficient battery charging while simultaneously powering the device.
2. Wearable Devices: Provides power management capabilities for wearable technology such as smartwatches and fitness trackers.
3. Portable Medical Devices: Facilitates reliable and safe charging for medical devices like portable monitors and diagnostic tools.
4. IoT Devices: Supports power management in Internet of Things (IoT) devices, ensuring uninterrupted operation.

Detailed and Complete Alternative Models

1. LTC4055EUFD#TRPBF: Similar functionality with additional USB On-The-Go (OTG) support.
2. LTC4020EUFD#TRPBF: Higher charging current capability with integrated MPPT (Maximum Power Point Tracking) for solar-powered applications.
3. LTC4000EUFD#TRPBF: Battery charger and PowerPath controller with higher input voltage range and additional battery monitoring features.

(Note: The above alternative models are suggestions and may not cover all available options in the market.)

This entry provides an overview of the LTC4041EUFD#TRPBF, a versatile battery charger and PowerPath controller IC. Its high efficiency, low quiescent current, and wide input voltage range make it suitable for various portable electronic devices. The detailed pin configuration, functional features, advantages, and disadvantages provide a comprehensive understanding of the product. Additionally, the working principles, application field plans, and alternative models offer further insights into its usage and alternatives available in the market.