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AAT3663IWO-8.4-2-T1 Datasheet(PDF) 2 Page - Advanced Analogic Technologies |
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AAT3663IWO-8.4-2-T1 Datasheet(HTML) 2 Page - Advanced Analogic Technologies |
2 / 23 page AAT3663 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications BatteryManager TM PRODUCT DATASHEET 2 3663.2008.01.1.2 www .analogictech.com AAT3663 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications BatteryManager TM PRODUCT DATASHEET 2 3663.2008.01.1.2 www .analogictech.com Pin Description Pin # Symbol Type Function 1EN I Enable pin, Active high with internal pull-down. If not used, pull high to the IN pin to continuously enable the charger IC when input power is applied. 2CT I Charge timer programming pin. A 0.1μF ceramic capacitor should be connected between this pin and GND. Connect directly to GND to disable the timer function. 3 ISET I Charge current programming pin. Connect a resistor between this pin and GND to program the con- stant fast charge current. 4 GND I/O IC ground connection. Connect this pin to power ground. 5 TS I/O Battery temperature sense input. Connect the Li-Ion battery pack NTC resistor terminal to this pin. 6BATS I Battery voltage sense pin. Connect this pin directly to the positive battery terminal. If this function is not used, connect to the BAT pin directly. 7 BAT O Battery charge output pin. Connect to the positive battery terminal. 8, 9 IN I Power supply input pin. Connect the input USB port or Adapter power source to this pin 10 STAT1 O Charge status pin, open-drain output. Connect the STAT1 LED with a series ballast resistor between IN and this pin. 11 STAT2 O Charge status pin, open-drain output. Connect the STAT2 LED with a series ballast resistor between IN and this pin. 12 ADPP# O Input supply power-good status pin, open-drain output. Connect the ADPP# status LED with a series ballast resistor between IN and this pin. 13 TERM I Charge termination current programming input pin. Connect a resistor between this pin and GND to program the charge termination current. When TERM is open, the termination current is 10% (default sertting) of the set maximum charge current. 14 N/C No connection. Pin Configuration TDFN33-14 (Top View) EN ISET GND 1 TS BATS BAT N/C ADPP# STAT2 STAT1 IN IN CT 2 3 4 5 6 7 14 TERM 13 12 11 10 9 8 |
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