BQ25181数据手册TI中文资料规格书

特性 Features

• 1-A Power path linear battery charger
• 3.0-V to 5.9-V input voltage operating range
• 25-V tolerant input voltage
• Configurable battery regulation voltage with 0.5% accuracy from 3.6 V to 4.65 V in 10-mV steps
• 5-mA to 1-A configurable fast charge current
• 110-mΩ battery FET ON resistance
• Up to 2.5-A discharge current to support high system loads
• Configurable termination current down to 0.5 mA
• Configurable NTC charging profile thresholds including JEITA support
• Power cycle and advanced reset mechanisms to recover system

• Power path management for powering the system and charging the battery
• Regulated system voltage (SYS) ranging from 4.4 V to 4.9 V in addition to battery voltage tracking and input pass-though options
• Configurable input current limit from 50mA to 1100mA
• Selectable adapter or battery power for system
• I2C allow host to disconnect the battery or adapter from system as needed
• Dynamic power path management optimizes charging from weak adapters

• Ultra low quiescent current modes
• 15-nA Shutdown mode
• 3.2-µA Ship mode with button press wake
• 4 µA in Battery only mode
• 40-µA input adapter Iq in Sleep mode

• Dedicated VIN Power Good (/PG_GPO) and Charge Enable (/CE) pins
• One push-button wake-up and reset input
• Integrated fault protection
• Input overvoltage protection (VIN_OVP)
• Battery undervoltage protection (VBUVLO)
• Battery short protection (BATSC)
• Battery overcurrent protection (BATOCP)
• Input current limit protection (ILIM)
• Thermal regulation (TREG) and thermal shutdown (TSHUT)
• Battery thermal fault protection (TS)
• Watchdog and safety timer fault
• System short protection
• System overvoltage protection