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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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CDH2D09 Datenblatt(PDF) 1 Page - Maxim Integrated Products |
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CDH2D09 Datenblatt(HTML) 1 Page - Maxim Integrated Products |
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1 / 44 page  General Description The MAX8671X integrated power-management IC (PMIC) is ideal for use in portable media players and other handheld devices. In addition to five regulated output voltages, the MAX8671X integrates a 1-cell lithi- um ion (Li+) or lithium polymer (Li-Poly) charger and Smart Power Selector™ with dual (AC-to-DC adapter and USB) power inputs. The dual-input Smart Power Selector supports end products with dual or single power connectors. All power switches for charging and switching the system load between battery and external power are included on-chip. No external MOSFETs are required. Maxim’s Smart Power Selector makes the best use of limited USB or AC-to-DC adapter power. Battery charge current and input current limit are independent- ly set. Input power not used by the system charges the battery. Charge current and DC current limit are pro- grammable up to 1A while USB input current can be set to 100mA or 500mA. Automatic input selection switches the system load from battery to external power. Other features include overvoltage protection, charge status and fault outputs, power-OK monitors, charge timer, and battery thermistor monitor. In addition, on-chip thermal limiting reduces battery charge rate to prevent charger overheating. The MAX8671X offers adjustable voltages for all out- puts. Similar parts with factory-preset output voltages are also available (contact factory for availability). Applications Portable Audio Players GPS Portable Navigators Features ♦ 16V-Tolerant USB and DC Inputs ♦ Automatically Powers from External Power or Battery ♦ Operates with No Battery Present ♦ Single-Cell Li+/Li-Poly Charger ♦ Three 2MHz Step-Down Regulators Up to 96% Efficiency ♦ Two Low IQ Linear Regulators ♦ Output Power-Up Sequencing ♦ Thermal-Overload Protection PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ________________________________________________________________ Maxim Integrated Products 1 19-0885; Rev 0; 8/07 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. EVALUATION KIT AVAILABLE Ordering Information OUT4 0.6V TO VSYS 180mA OUT3 1V TO VSYS 425mA OUT2 1V TO VSYS 425mA OUT1 1V TO VSYS 425mA AC-TO-DC ADAPTER USB OUT1 OUT2 OUT3 OUT4 OUT5 SYS DC USB EN ON OFF μP PEN1 PEN2 USUS CEN CST1 CST2 DOK UOK Li+/LiPo BATTERY PWM OUT5 0.6V TO VSYS 180mA MAX8671X + Simplified Applications Circuit PART TEMP RANGE PIN-PACKAGE PKG CODE MAX8671XETL+ -40°C to +85°C 40 Thin QFN-EP* 5mm x 5mm T4055-1 Smart Power Selector is a trademark of Maxim Integrated Products, Inc. + Denotes a lead-free package. * EP = Exposed paddle. |
Ähnliche Teilenummer - CDH2D09 |
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Ähnliche Beschreibung - CDH2D09 |
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