مدار مجتمع (آی سی) آی‌سی مدیریت توان (پی‌ام‌آی‌سی) مدیریت باتری (بی‌ام‌اس)

Product Attributes

Introduction

PT8261 integrates a high-precision voltage detection circuit and delay circuit, serving as a protection IC for single-cell lithium-ion/lithium-polymer rechargeable batteries. The PT8261 is suitable for protecting single-cell lithium-ion/lithium-polymer rechargeable batteries against overcharge, overdischarge, and overcurrent.

Features

• High-precision voltage detection circuit
  • Overcharge detection voltage 4.280V, accuracy ±25mV
  • Overcharge release voltage 4.080V, accuracy ±50mV
  • Over-discharge detection voltage 3.000V, accuracy ±50mV
  • Over-discharge release voltage 3.000V, accuracy ±50mV
  • Discharge overcurrent detection voltage 80mV, accuracy ±15mV
  • Charge overcurrent detection voltage -100mV, accuracy ±20mV
  • Load short-circuit detection voltage 0.58V, accuracy ±100mV
• All delay times set by internal circuit (no external capacitor required)
• Sleep function
• Low current consumption
  • Operating mode: typical 3.0μA, maximum 6.0μA (VDD = 3.9V)
  • Sleep mode: maximum 0.1μA (VDD = 2.0V)
• High voltage-rated terminal design (CS and OC terminals, absolute maximum rating 25V)
• 0V battery charging capability
• Wide operating temperature range: -40°C ~ +85°C
• Compact package: SOT-23-6L
• Halogen-free, RoHS-compliant product

Applications

• Single-cell Li-Ion rechargeable battery pack
• Single-cell LiPo rechargeable battery pack