LTC4162EUFD-SADM#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Wide Input Voltage Range, Programmable Charging Parameters
• Package: 4x5mm QFN-28
• 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
• Termination Current: Programmable
• Float Voltage Accuracy: ±0.5%
• Battery Temperature Monitoring: Yes
• Operating Temperature Range: -40°C to 85°C
• Efficiency: Up to 95%

Pin Configuration

The LTC4162EUFD-SADM#TRPBF has a total of 28 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. VBAT: Battery Voltage
4. TSNS+: Positive Terminal of Battery Temperature Sense Resistor
5. TSNS-: Negative Terminal of Battery Temperature Sense Resistor
6. ISET: Charge Current Programming Pin
7. PROG: Programming Pin for Various Features
8. STAT: Status Output Pin
9. INTVCC: Internal Voltage Regulator Output
10. SDA: I2C Serial Data Input/Output
11. SCL: I2C Serial Clock Input
12. IRQ: Interrupt Request Output
13. BATFET: Battery FET Control Pin
14. PGOOD: Power Good Output
15. VOUT: Output Voltage
16. VREF: Reference Voltage Output
17. VSENSE: Current Sense Input
18. VCC: Supply Voltage Input 19-28. NC: No Connection

Functional Features

1. Wide Input Voltage Range allows for versatile applications.
2. High Efficiency ensures minimal power loss during charging.
3. Programmable Charging Parameters provide flexibility in battery charging profiles.
4. Battery Temperature Monitoring ensures safe charging operation.
5. I2C Interface enables easy communication and control.

Advantages

1. High efficiency results in reduced power consumption and longer battery life.
2. Wide input voltage range allows compatibility with various power sources.
3. Programmable charging parameters enable customization for different battery chemistries.
4. Battery temperature monitoring ensures safe and reliable charging.
5. I2C interface simplifies integration and control in system designs.

Disadvantages

1. Limited to battery charging applications, not suitable for other power management tasks.
2. Requires additional external components for complete battery charging solution.
3. Relatively small package size may require careful PCB layout and thermal management.

Working Principles

The LTC4162EUFD-SADM#TRPBF is a power management IC designed specifically for battery charging applications. It utilizes a high-efficiency switching regulator to convert the input voltage into a regulated output voltage suitable for charging batteries. The IC incorporates various features such as programmable charging parameters, battery temperature monitoring, and an I2C interface for easy control and monitoring.

When connected to an input voltage source, the LTC4162EUFD-SADM#TRPBF regulates the output voltage to charge the connected battery. The charging parameters, such as charge current and termination current, can be programmed through the I2C interface or by using external resistors. The IC also monitors the battery temperature to ensure safe charging operation.

Detailed Application Field Plans

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

1. Portable Electronics: Smartphones, tablets, and wearable devices.
2. Industrial Equipment: Handheld tools, portable measurement devices, and wireless sensors.
3. Automotive: Electric vehicles, hybrid vehicles, and battery management systems.
4. Renewable Energy Systems: Solar-powered devices, energy storage systems, and off-grid applications.

Detailed and Complete Alternative Models

1. LTC4162EUFD-4.2: Similar to LTC4162EUFD-SADM#TRPBF but with fixed 4.2V float voltage.
2. LTC4162EUFD-5: Similar to LTC4162EUFD-SADM#TRPBF but with fixed 5V float voltage.
3. LTC4162EUFD-ADJ: Similar to LTC4162EUFD-SADM#TRPBF but with adjustable float voltage.

These alternative models offer similar functionality but with different specifications to cater to specific application requirements.

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