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HM5030 데이터시트(PDF) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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HM5030 데이터시트(HTML) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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1 / 10 page ![]() HM5030 Series-High input Voltage Linear Li-Ion Battery Charger GENERAL DESCRIPTION The HM5030 Series is a complete constant current & constant voltage linear charger for single cell lithium-ion batteries. Its SOT23-5 package and low external component counts make the HM5030 Series ideally suited for portable applications. Furthermore, the HM5030 Series is specifically designed to work within USB power specifications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. The charge voltage is fixed at 4.2V/4.3V/4.35V/4.4V, and the charge current can be programmed externally with a single resistor. The HM5030 automatically terminates the charge cycle when the charge current drops to 1/10 the programmed value after the final float voltage is reached. When the input supply (wall adapter or USB supply) is removed, the HM5030 automatically enters a low current state, dropping the battery drain current to less than 2uA. The HM5030 can be put into shutdown mode, reducing the supply current to 50uA. Under-voltage lockout, automatic recharge and two status pins to indicate charge and charge termination. FEATURES 30V standoff input voltage at VCC pin Programmable Charge Current Up to 600mA No MOSFET, Sense Resistor or Blocking Diode Required Complete Linear Charger in SOT23-5 Package for single Cell Lithium-Ion Batteries Charges Single Cell Li-Ion Batteries Directly from USB Port Preset 4.2V/4.3V/4.35V/4.4V Charge Voltage with ±1% Accuracy Charge Current Monitor Output for Gas Gauging Automatic Recharge CC/10 Charge Termination 50uA Supply Current in Shutdown 2.9V Trickle Charge Threshold Soft-Start Limits Inrush Current ESD HBM 2KV Available in SOT23-5 Package APPLICATIONS Cellular Telephones, PDAs, MP3 /MP4 Players E-cigarettes Bluetooth GPS Applications Figure1 .Typical Application Circuit HM5030 |
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