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CRCW04021003F Datasheet(PDF) 2 Page - Skyworks Solutions Inc. |
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CRCW04021003F Datasheet(HTML) 2 Page - Skyworks Solutions Inc. |
2 / 18 page AAT3682 DATA SHEET Li-Ion/Polymer Linear Battery Charger 2 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201884B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 Pin Descriptions Pin # Symbol Function 1 TS Battery temperature sense input. 2, 3, 8, 12 N/C Not connected. 4 STAT Battery charger status output. Connect an LED in series with 2.2k from STAT to VIN for a visual monitor battery charge state or connect to a microcontroller to monitor battery status. A 100k resistor should be placed between STAT and VIN for this function. 5 VSS Common ground connection. 6 DRV Battery charge control output. 7 T2X Battery trickle charge control input. Connect this pin to VSS to double the battery trickle charge cur- rent. Leave this pin floating for normal trickle current (10% of full charge current). To enter micro- controller fast-read status, pull this pin high during power up. 9BAT Battery charge control output. Current regulated output to charge the battery. For best operation, a 0.1μF ceramic capacitor should be placed between BAT and GND. 10 VSS Common ground connection. 11 GATE Input voltage for biasing the pass device. 13 VP Battery charge power input. 14 CSI Current sense input. 15 BSENSE Battery voltage sense input. 16 VCC AAT3682 bias input power. EP Exposed paddle (bottom); connect to GND directly beneath the package. Pin Configuration QFN44-16 (Top View) 1 2 3 4 12 11 10 9 TS N/C N/C STAT BAT VSS GATE N/C AAT3682 |
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