LTC4162EUFD-L41#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Wide Input Voltage Range
• Package: 24-Lead QFN (Quad Flat No-Lead)
• Essence: Power Management IC for Battery Charging Applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 35V
• Charge Current Range: Up to 3A
• Charge Termination Options: C/10 or Timer
• Maximum Float Voltage: 14.4V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. ISET: Charge Current Set
4. TS: Thermistor Input
5. VBAT: Battery Voltage
6. PROG: Programming Resistor
7. STAT: Status Output
8. INTVCC: Internal Regulator Output
9. SDA: I2C Data Input/Output
10. SCL: I2C Clock Input
11. ILIM: Input Current Limit
12. BATFET: Battery FET Control
13. PGOOD: Power Good Output
14. VOUT: Output Voltage
15. VREF: Reference Voltage
16. VCC: Supply Voltage
17. VSS: Negative Supply Voltage
18. NC: No Connection
19. NC: No Connection
20. NC: No Connection
21. NC: No Connection
22. NC: No Connection
23. NC: No Connection
24. NC: No Connection

Functional Features

• Wide Input Voltage Range allows charging from various power sources.
• High Efficiency ensures minimal power loss during charging.
• Charge Termination Options provide flexibility based on application requirements.
• Internal Regulator Output simplifies system design by providing regulated voltage.
• I2C Interface enables communication with external devices for advanced control.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows charging from diverse power sources. - High efficiency reduces power loss and improves overall system performance. - Flexible charge termination options cater to different battery types and applications. - Integrated regulator output simplifies system design and reduces component count.

Disadvantages: - Limited to battery charging applications, not suitable for other power management tasks. - Requires additional external components for complete battery charging solution. - Relatively high cost compared to simpler battery charger ICs.

Working Principles

The LTC4162EUFD-L41#TRPBF is a power management IC specifically designed for battery charging applications. It operates by converting the input voltage into a regulated output voltage suitable for charging batteries. The IC incorporates various features such as wide input voltage range, charge termination options, and an internal regulator to ensure efficient and reliable battery charging.

When connected to a power source, the LTC4162EUFD-L41#TRPBF regulates the input voltage and controls the charging current according to the set parameters. It monitors the battery voltage and adjusts the charging process accordingly. The charge termination options allow the user to choose between C/10 (battery capacity divided by 10) or a timer-based termination method.

The IC also provides an I2C interface for communication with external devices, enabling advanced control and monitoring of the charging process. This feature allows for customization and optimization of the charging algorithm based on specific battery characteristics and application requirements.

Detailed Application Field Plans

The LTC4162EUFD-L41#TRPBF is widely used in various battery-powered systems that require efficient and reliable charging. Some common application fields include:

1. Portable Electronics: Smartphones, tablets, and wearable devices often utilize the LTC4162EUFD-L41#TRPBF for their battery charging needs. The wide input voltage range allows charging from different power sources, while the high efficiency ensures optimal use of available power.

2. Industrial Equipment: Battery-powered industrial equipment such as handheld tools, wireless sensors, and monitoring devices benefit from the LTC4162EUFD-L41#TRPBF's ability to charge batteries efficiently. The IC's charge termination options and I2C interface enable customization and precise control over the charging process.

3. Automotive Systems: Electric vehicles, hybrid vehicles, and other automotive applications rely on the LTC4162EUFD-L41#TRPBF for charging their battery packs. The IC's wide input voltage range accommodates various charging scenarios, while its high efficiency contributes to overall energy savings.

Detailed and Complete Alternative Models

1. LTC4160: Similar to the LTC4162EUFD-L41#TRPBF, this IC offers a wide input voltage range and high efficiency for battery charging applications. It features an integrated MPPT (Maximum Power Point Tracking) algorithm for solar-powered systems.

2. MCP738