LC709203FXE-05MH

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Fuel Gauge

Characteristics: - Monolithic CMOS IC - Accurate measurement of battery capacity - Low power consumption - Small package size - Easy integration into various devices

Package: 10-pin WLCSP (Wafer Level Chip Scale Package)

Essence: The LC709203FXE-05MH is a highly integrated battery fuel gauge IC designed for accurate monitoring of battery capacity in portable electronic devices.

Packaging/Quantity: The LC709203FXE-05MH is typically sold in reels containing 3000 units.

Specifications

• Operating Voltage Range: 2.7V to 4.5V
• Battery Voltage Measurement Range: 2.7V to 4.5V
• Temperature Measurement Range: -40°C to +85°C
• Fuel Gauge Accuracy: ±1%
• Standby Current: 20µA (typical)
• Shutdown Current: 0.1µA (typical)
• Communication Interface: I2C

Detailed Pin Configuration

The LC709203FXE-05MH has the following pin configuration:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. BAT: Battery voltage input
6. TS: Temperature sensor input
7. INT: Interrupt output
8. ALRT: Alert output
9. NC: No connection
10. NC: No connection

Functional Features

• Accurate measurement of battery capacity using advanced algorithms
• Real-time monitoring of battery voltage and temperature
• Automatic compensation for battery aging effects
• Programmable alert thresholds for low battery indication
• Interrupt output for triggering external actions based on battery status

Advantages and Disadvantages

Advantages: - High accuracy in measuring battery capacity - Low power consumption, minimizing impact on battery life - Small package size allows for easy integration into compact devices - Wide operating voltage range ensures compatibility with various batteries - Flexible alert thresholds enable customization for different applications

Disadvantages: - Limited temperature measurement range (-40°C to +85°C) - Requires I2C communication interface support in the host device

Working Principles

The LC709203FXE-05MH works by continuously monitoring the battery voltage and temperature. It utilizes sophisticated algorithms to accurately estimate the remaining battery capacity. The IC compensates for battery aging effects and provides real-time information about the battery's state of charge. The programmable alert thresholds allow the host device to take appropriate actions when the battery level reaches critical levels.

Detailed Application Field Plans

The LC709203FXE-05MH is widely used in various portable electronic devices that require accurate monitoring of battery capacity. Some common application fields include:

1. Smartphones and tablets
2. Wearable devices (smartwatches, fitness trackers)
3. Portable medical devices
4. Handheld gaming consoles
5. Wireless headphones and earbuds
6. GPS navigation systems
7. Portable audio players

Detailed and Complete Alternative Models

1. LC709203F: Similar functionality, but with a different package (8-pin SOP)
2. LC709203FT: Enhanced version with extended temperature measurement range (-40°C to +105°C)
3. LC709203FXE-10MH: Higher accuracy variant with ±0.5% fuel gauge accuracy

These alternative models offer similar features and can be considered as substitutes depending on specific requirements and constraints.

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