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RT9501APF Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9501APF Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 9 page  RT9501A/B Preliminary 1 DS9501A/B-07 March 2007 www.richtek.com Features For Single Lithium-Ion or Lithium-Polymer Cell Battery Pack (4.1V or 4.2V) A Few External Components are Required Precharge, Constant Current, Constant Voltage Modes Battery Temperature Monitor Charge Status Indication Automatic Battery Recharge Charge Termination Detect Auto Low Power Sleep Mode when VDD Power is Removed MSOP-8 Package RoHS Compliant and 100% Lead (Pb)-Free Pin Configurations Advanced Lithium-Ion Linear Battery Charger Ordering Information General Description The RT9501 is a single Lithium-Ion or Lithium-Polymer cell linear battery charger which is designed for compact and cost-sensitive handheld devices. It combines charge status indication, charge termination, battery temperature monitoring, and high accuracy current and voltage regulation in a MSOP-8 package. The RT9501 charges the battery in three modes, precharge, constant current, constant voltage. If the battery voltage is below the precharge threshold VO(MIN), the RT9501 precharges the battery with a lower conditioning current. After precharge, the RT9501 applies a constant current to the battery. An external sense- resister sets the charge current. The constant voltage mode continues until the battery reaches the regulation voltage. The battery temperature is continuously measured by an external thermistor through the TS pin. The RT9501 inhibits charge until the temperature is within the range defined by users. Applications Digital Cameras PDAs Cellular Phones Information Appliance (TOP VIEW) MSOP-8 1 5 6 7 8 4 3 2 VDD BATT CS FB/CE CC GND STAT TS Marking Information For marking information, contact our sales representative directly or through a RichTek distributor located in your area, otherwise visit our website for detail. Note : RichTek Pb-free and Green 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. 100%matte tin (Sn) plating. RT9501 Package Type F : MSOP-8 Voltage Version A : 4.1V B : 4.2V Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) |
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