BQ2057WTSTR 鋰電池充電管理IC 全新原裝，長(zhǎng)期現(xiàn)貨，假一罰十！，量大價(jià)更優(yōu)！

鋰離子低壓降線性 (8.4V) 充電管理 IC，用于具有 AutoCompTM 的兩節(jié)應(yīng)用領(lǐng)域

特性

• Ideal for Single (4.1 V or 4.2 V) and Dual-Cell (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs
• Requires Small Number of External Components
• 0.3 V Dropout Voltage for Minimizing Heat Dissipation
• Better Than ±1% Voltage Regulation Accuracy With Preset Voltages
• AutoComp? Dynamic Compensation of Battery Pack’s Internal Impedance to Reduce Charge Time
• Optional Cell-Temperature Monitoring Before and During Charge
• Integrated Voltage and Current Regulation With Programmable Charge-Current and High-or Low-Side Current Sensing
• Integrated Cell Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage Of Charge
• Charge Status Output for Single or Dual Led or Host Processor Interface
• Automatic Battery-Recharge Feature
• Charge Termination by Minimum Current
• Automatic Low-Power Sleep Mode When V_CC Is Removed
• EVMs Available for Quick Evaluation
• Packaging: 8-Pin SOIC, 8-Pin TSSOP, 8-Pin MSOP