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

Product Attributes

Introduction

FM3450C is a protection IC for 3-cell series-connected lithium-ion/lithium-polymer batteries, integrating a high-precision voltage detection circuit and delay circuit.

Features

• High-accuracy voltage detection for each cell
  • Overcharge detection voltage 4.25V, accuracy ±25mV
  • Overcharge release voltage 4.05V, accuracy ±80mV
  • Over-discharge detection voltage 2.70V, accuracy ±80mV
  • Over-discharge release voltage 3.00V, accuracy ±100mV
• 3-level overcurrent detection
  • Overcurrent detection voltage 1: 0.10V, accuracy ±10mV
  • Overcurrent detection voltage 2: 0.20V, accuracy ±50mV
  • Overcurrent detection voltage 3: 0.4V, accuracy ±100mV
• Overcharge detection delay time, over-discharge detection delay time, and overcurrent 1 detection delay time are externally configurable; overcurrent detection 2 and 3 delay times are internally fixed
• High-voltage-rated components: absolute maximum rating 26V
• Wide operating voltage range: 3V~15V
• Low quiescent current
  • Maximum operating current consumption ≤15μA (+25℃)
• Package: SOP8