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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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RT9502 데이터시트(PDF) 1 Page - Richtek Technology Corporation |
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RT9502 데이터시트(HTML) 1 Page - Richtek Technology Corporation |
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1 / 13 page  RT9502 1 DS9502-02 April 2011 www.richtek.com Features Automatic Input Supplies Selection 18V Maximum Rating for AC Adapter Integrated Selectable 100mA and 500mA USB Charge Current Internal Integrated P-MOSFETs AC Adapter Power Good Status Indicator Charge Status Indicator Under Voltage Protection Over Voltage Protection Automatic Recharge Feature Battery Temperature Monitoring Small 10-Lead WDFN Package Thermal Feedback Optimizing Charge Rate RoHS Compliant and 100% Lead (Pb)-Free Pin Configurations Applications Digital Cameras Cellular Phones Personal Digital Assistants (PDAs) MP3 Players Hand Held PCs Ordering Information General Description The RT9502 is a fully integrated low cost single-cell Li- Ion battery charger IC ideal for portable applications. The RT9502 is capable of being powered up from AC adapter and USB (Universal Serial Bus) port inputs. The RT9502 can automatically detect and select the AC adapter and the USB port as the power source for the charger. The RT9502 enters sleep mode when both supplies are removed. The RT9502 optimizes the charging task by using a control algorithm including precondition mode, fast charge mode and constant voltage mode. The charging task is terminated as the charge current drops below the preset threshold. The USB charge current can be selected from preset ratings of 100mA and 500mA, while the AC adapter charge current can be programmed up to 1A with an external resister. The internal thermal feedback circuitry regulates the die temperature to optimize the charge rate for all ambient temperatures. The RT9502 features 18V and 7V maximum rating voltages for AC adapter and USB port inputs respectively. The other features are under voltage protection, over voltage protection for AC adapter supply and battery temperature monitoring. (TOP VIEW) WDFN-10L 3x3 Linear Single Cell Li-Ion Battery Charger IC with Dual Input Supply Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area. ACIN USB GND BATT TS ISETA ISETU 9 8 7 1 2 3 4 5 10 GND CHG_S PGOOD EN 11 RT9502 Package Type QW : WDFN-10L 3x3 (W-Type) Lead Plating System P : Pb Free G : Green (Halogen Free and Pb Free) |
유사한 부품 번호 - RT9502 |
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유사한 설명 - RT9502 |
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