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The LE24CB642M-TLM-E is a lithium-ion battery manufactured by SANYO (now part of Panasonic Energy). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: SANYO (Panasonic Energy)
• Model: LE24CB642M-TLM-E
• Chemistry: Lithium-Ion (Li-Ion)
• Nominal Voltage: 3.7V
• Capacity: 2400mAh (2.4Ah)
• Energy: 8.88Wh
• Dimensions: Varies (check datasheet for exact measurements)
• Weight: Typically around 45–50g (varies by model)
• Standard Charge: 0.5C (1200mA)
• Max Charge Current: 1C (2400mA)
• Discharge Current: 1C (2400mA)
• Max Discharge Current: 2C (4800mA)
• Operating Temperature:
• Charge: 0°C to 45°C
• Discharge: -20°C to 60°C
• Cycle Life: ~500 cycles (at 80% capacity retention)

Descriptions & Features:

• Designed for high-energy-density applications such as power tools, medical devices, and portable electronics.
• Features built-in PTC (Positive Temperature Coefficient) protection for overcurrent and overheating safety.
• Includes a CID (Current Interrupt Device) for pressure and short-circuit protection.
• Low self-discharge rate, ensuring longer shelf life.
• High discharge capability, suitable for high-drain devices.
• Compliant with RoHS and UL1642 safety standards.

For exact mechanical dimensions, PCB requirements, or additional certifications, refer to the official SANYO/Panasonic datasheet.

Would you like assistance in locating a datasheet or alternative battery options?

# Application Scenarios and Design Phase Pitfall Avoidance for the LE24CB642M-TLM-E

The LE24CB642M-TLM-E is a high-performance electronic component designed for precision timing and frequency control applications. Its compact size, low power consumption, and robust performance make it a versatile choice for various industries, including telecommunications, automotive electronics, industrial automation, and consumer electronics.

## Key Application Scenarios

1. Telecommunications Equipment

In telecommunications, stable and accurate timing is critical for signal synchronization and data transmission. The LE24CB642M-TLM-E provides reliable frequency control for base stations, routers, and network switches, ensuring minimal jitter and phase noise. Its temperature stability makes it suitable for outdoor installations where environmental conditions vary.

2. Automotive Electronics

Modern vehicles rely on precise timing for infotainment systems, advanced driver-assistance systems (ADAS), and engine control units (ECUs). The LE24CB642M-TLM-E’s resistance to vibration and temperature fluctuations ensures consistent performance in harsh automotive environments.

3. Industrial Automation

Industrial systems such as PLCs (Programmable Logic Controllers), robotics, and motion control systems require precise timing for synchronization. The component’s low phase noise and high stability enhance operational accuracy, reducing errors in automated processes.

4. Consumer Electronics

Smartphones, wearables, and IoT devices benefit from the LE24CB642M-TLM-E’s low power consumption and compact footprint. It supports high-speed data processing while maintaining energy efficiency, extending battery life in portable devices.

## Design Phase Pitfall Avoidance

1. Incorrect Load Capacitance Matching

The LE24CB642M-TLM-E requires proper load capacitance to function optimally. Mismatched capacitance can lead to frequency drift or startup issues. Designers should verify the datasheet specifications and use recommended capacitor values to avoid instability.

2. Poor PCB Layout Practices

Noise and interference can degrade performance if the oscillator is placed near high-speed digital lines or power supplies. To mitigate this:

• Keep traces short and direct.
• Use ground planes to shield the oscillator.
• Avoid routing clock signals near noisy components.

3. Inadequate Power Supply Filtering

Voltage fluctuations can affect oscillator stability. Implement proper decoupling capacitors (typically 0.1 µF and 1 µF) near the power pins to minimize ripple and noise.

4. Ignoring Environmental Factors

While the LE24CB642M-TLM-E is designed for stability across temperature ranges, extreme conditions may still impact performance. Ensure proper thermal management and conformal coating if used in high-humidity or corrosive environments.

5. Overlooking EMI Considerations

Unshielded oscillators can emit electromagnetic interference (EMI), affecting nearby circuits. Use shielding techniques such as grounded metal enclosures or ferrite beads to reduce EMI emissions.

## Conclusion

The LE24CB642M-TLM-E is a reliable timing solution for diverse applications, but careful design considerations are essential for optimal performance. By addressing common pitfalls such as load capacitance mismatches, PCB layout issues, and power supply noise, engineers can maximize the component’s efficiency and longevity. Proper implementation ensures stable operation across telecommunications, automotive, industrial, and consumer electronics applications.