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ACT8935QJ1E2-T Datasheet(PDF) 6 Page - Active-Semi, Inc |
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ACT8935QJ1E2-T Datasheet(HTML) 6 Page - Active-Semi, Inc |
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6 / 46 page  ACT8935 Rev 4, 17-Sep-13 - 6 - www.active-semi.com ActivePMU TM and ActivePathTM are trademarks of Active-Semi. Copyright © 2013 Active-Semi, Inc. Innovative PowerTM Active-Semi Proprietary―For Authorized Recipients and Customers PIN DESCRIPTIONS CONT’D PIN NAME DESCRIPTION 25 EXTON System Wake Up Input. Drive to VSYS or a logic high to wake up the IC from Sleep Mode or Deep Sleep Mode. 26 SCL Clock Input for I2C Serial Interface. 27 SDA Data Input for I2C Serial Interface. Data is read on the rising edge of SCL. 28 nSTAT Active-Low Open-Drain Charger Status Output. nSTAT has a 8mA (typ) current limit, allowing it to directly drive an indicator LED without additional external components. See the Charge Status Indicator section for more information. 29, 30 BAT Battery Charger Output. Connect this pin directly to the battery anode (+ terminal) 31, 32 VSYS System Output Pin. Bypass to GA with a 10µF or larger ceramic capacitor. 33 CHGIN Power Input for the Battery Charger. Bypass CHGIN to GA with a capacitor placed as close to the IC as possible. The battery charger is automatically enabled when a valid voltage is present on CHGIN . 34 OUT2 Output Feedback Sense for REG2. 35 VP2 Power Input for REG2. Bypass to GP12 with a high quality ceramic capacitor placed as close to the IC as possible. 36 SW2 Switching Node Output for REG2. 37 GP12 Power Ground for REG1 and REG2. Connect GA, GP12 and GP3 together at a single point as close to the IC as possible. 38 SW1 Switching Node Output for REG1. 39 VP1 Power Input for REG1. Bypass to GP12 with a high quality ceramic capacitor placed as close to the IC as possible. 40 NC No Connect. Not internally connected. EP EP Exposed Pad. Must be soldered to ground on PCB. 24 TH Temperature Sensing Input. Connect to battery thermistor. TH is pulled up with a 102µA (typ) current internally. See the Battery Temperature Monitoring section for more information. 23 ISET Charge Current Set. Program the charge current by connecting a resistor (RISET) between ISET and GA. See the Charge Current Programming section for more information. |
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