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

Product Attributes

Features

• Built-in high-precision voltage detection circuit
• ±25mV overcharge detection voltage accuracy ensures full-capacity charging with battery safety
• ±10mV current sense voltage accuracy ensures precise overcurrent discharge triggering
• Overcharge detection voltage: V_COV = 4.1V to 4.35V; 50mV/step, accuracy: ±25mV
• Overcharge hysteresis voltage: V_ΔCOV = 0~300mV; 100mV/step
• Overdischarge detection voltage: V_CUV = 2.3V to 2.9V; 200mV/step, accuracy: ±80mV
• Overdischarge hysteresis voltage: V_ΔCUV = 300mV~900mV; 200mV/step
• Charge overtemperature and discharge overtemperature protection thresholds independently configurable via external resistors
• Charge overtemperature, discharge overtemperature, and discharge overcurrent/short-circuit events output via 3 independent pins for flexible MCU integration
• Built-in three-level discharge overcurrent detection circuit
• Directly drives external P-type or N-type charge MOSFETs and N-type discharge MOSFETs, with a dedicated DCTL pin for user-controlled discharge MOSFET operation
• Supports 3-cell or 4-cell battery pack protection via NSEL pin configuration
• Overcurrent 1 detection voltage: V_PDOC1 = 50mV to 150mV; 25mV/step, accuracy: ±10mV
• Overcurrent 2 detection voltage: V_PDOC2 = 2 * V_PDOC1, accuracy: ±20mV
• Load short-circuit detection voltage: V_PSC = 0.4V, accuracy: ±50mV
• Low-power design minimizes battery pack current consumption during storage
• Delay times configurable via external capacitors
• Low supply current: 24μA typical in active mode, <1μA in sleep mode
• Package: SSOP-24

Applications

• Power tools
• Home appliances
• Backup battery systems