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Battery Protection Circuit for Lithium-ion 3.7v 4.5A 3MOS 1S

Li-ion batteries are widely used in modern portable devices due to their high energy density and efficiency. However, proper protection is essential to prevent overcharging, over-discharging, and short-circuiting, which can damage the battery or even cause it to explode. This Battery Protection Circuit is designed to safeguard single-cell 3.7V lithium-ion batteries with a maximum discharge current of 4.5A.

Package Includes:

  • 1 x Battery Protection Circuit for Lithium-ion 3.7V 4.5A 3MOS 1S

6.30 AED 6.30 AED Tax Included
6.30 AED Tax Included

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Specifications:

Current:

  • Long-lasting Discharge Current: 4.5A
  • Self-consumption (Single-cell): ≤ 3µA

Voltage:

  • Charging Voltage: 3.7V
  • Charging Current: 4.5A

Overcharge Protection:

  • Overcharge Detection Voltage: 3.7 ± 0.05V
  • Overcharge Protection Delay: 1S
  • Overcharge Release Voltage: 3.7 ± 0.05V

Overcurrent Protection:

  • Overcurrent Detection Voltage: 200 ± 25mV
  • Overcurrent Detection Delay: 10ms
  • Overcurrent Detection Current: 4.5A
  • Overcurrent Protection Release Condition: Automatic Recovery

Short Circuit Protection:

  • Condition: External Load Short Circuit
  • Detection Delay: 250µs
  • Release Condition: Disconnect Load

Temperature Protection:

  • Temperature Protection: /

Other Parameters:

  • Main Circuit Conduction Internal Resistance: ≤ 20mΩ
  • Working Current: ≤ 20µA
  • Sleep Current (Over-discharge): ≤ 20µA
  • Operating Temperature Range: -20°C to 40°C