LTC4080XEMSE#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: 10-Lead MSOP
• Essence: Charging and Power Management IC
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.95V to 6.5V
• Charge Current Range: 100mA to 1A
• Charge Termination: Programmable
• Operating Temperature Range: -40°C to 85°C
• Battery Type: Lithium-Ion/Polymer
• Maximum Charge Voltage: 4.2V
• Quiescent Current: 950µA

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. PROG: Charge Current Programming Pin
4. STAT: Status Indicator Output
5. CE: Charge Enable Pin
6. TS: Thermistor Input
7. BAT: Battery Connection
8. VOUT: Regulated Output Voltage
9. ISET: Current Sense Resistor Connection
10. SDA/SCL: I2C Interface Pins

Functional Features

• High Efficiency: The LTC4080XEMSE#TRPBF offers high charging efficiency, ensuring maximum power transfer from the input source to the battery.
• Low Quiescent Current: With a quiescent current of only 950µA, the IC minimizes power consumption when not actively charging.
• Programmable Charge Termination: The charge termination voltage can be programmed to suit different battery chemistries and requirements.
• Status Indicator Output: The STAT pin provides information about the charging status, allowing for easy monitoring.
• Charge Enable Pin: The CE pin enables or disables the charging process, providing control over when the battery is being charged.
• Thermistor Input: The TS pin allows for temperature monitoring, ensuring safe charging conditions.
• I2C Interface: The SDA/SCL pins enable communication with the IC using the I2C protocol, allowing for advanced configuration and monitoring.

Advantages

• High charging efficiency ensures faster charging times.
• Low quiescent current minimizes power consumption during idle periods.
• Programmable charge termination voltage provides flexibility for different battery chemistries.
• Status indicator output allows for easy monitoring of the charging process.
• Charge enable pin provides control over the charging process.
• Temperature monitoring ensures safe charging conditions.
• I2C interface enables advanced configuration and monitoring capabilities.

Disadvantages

• Limited to lithium-ion/polymer battery types.
• Requires additional external components for complete charging circuitry.

Working Principles

The LTC4080XEMSE#TRPBF is a battery charger IC designed to efficiently charge lithium-ion/polymer batteries. It operates by converting the input voltage into a regulated output voltage suitable for charging the battery. The charge current can be programmed using the PROG pin, and the charge termination voltage can be set according to the specific battery requirements. The IC also includes various safety features such as temperature monitoring and status indication.

Detailed Application Field Plans

The LTC4080XEMSE#TRPBF is widely used in portable electronic devices such as smartphones, tablets, and wearable devices. It is also suitable for applications where space is limited due to its small package size. The IC's high efficiency and low quiescent current make it ideal for battery-powered devices that require fast and efficient charging while minimizing power consumption during idle periods.

Detailed and Complete Alternative Models

• LTC4080XEMSE-4.2
• LTC4080XEMSE-4.35
• LTC4080XEMSE-4.4
• LTC4080XEMSE-4.5

These alternative models offer different charge termination voltages to accommodate various battery chemistries and requirements.

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