AAT3685IWP-4.2-T1 Analogic Tech, AAT3685IWP-4.2-T1 Datasheet
AAT3685IWP-4.2-T1
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AAT3685IWP-4.2-T1 Summary of contents
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BatteryManager TM General Description The AAT3685 BatteryManager™ highly integrated single cell lithium-ion/polymer battery charger IC designed to operate with USB port or line adapter inputs. It requires the minimum number of external components. The AAT3685 precisely regulates battery ...
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BatteryManager BatteryManager TM TM Pin Descriptions Pin # Name Type Function 1 ADP/USB In Line adapter or USB power supply input. 2 BAT In/Out Battery charging and sensing. 3 GND Ground Ground connection. Resistor divider to set USB voltage regulation ...
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BatteryManager BatteryManager TM TM AAT3685 Feature Options Product Internal Pull-Up Resistor on EN Pin AAT3685 AAT3685-1 Absolute Maximum Ratings Symbol Description V ADP/USB Input Voltage, <30ms, Duty Cycle <10 ADP/USB Input Voltage, Continuous P V BAT, PWRSEL, SETH, ...
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BatteryManager BatteryManager TM TM Electrical Characteristics -40°C to +85°C, unless otherwise noted. Typical values are at T ADP A Symbol Description Operation ADP/USB Input Voltage Range V Under-Voltage Lockout UVLO Under-Voltage Lockout Hysteresis I Operating ...
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BatteryManager BatteryManager TM TM Electrical Characteristics -40°C to +85°C, unless otherwise noted. Typical values are at T ADP A Symbol Description Logic Control / Protection V Input High Threshold PWRSEL(H) V Input Low Threshold PWRSEL(L) ...
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BatteryManager BatteryManager TM TM Typical Characteristics I vs. R FASTCHARGE SET 10000 1000 SETL 100 SETH 100 R (kΩ) SET Recharge Voltage vs. Temperature 4.140 4.130 4.120 4.110 4.100 4.090 4.080 4.070 4.060 4.050 4.040 -50 ...
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BatteryManager BatteryManager TM TM Typical Characteristics Fast Charge Current vs. Temperature (SETH; SETH = 3.83kΩ Ω ) 1100 1080 1060 1040 1020 1000 980 960 940 920 900 -50 - Temperature (°C) Charging Current vs. Battery Voltage ...
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BatteryManager BatteryManager TM TM Typical Characteristics V vs. Supply Voltage IH EN Pin (Rising) 1.4 1.3 1.2 -40°C +25°C 1.1 1.0 0.9 0.8 0.7 +85°C 0.6 0.5 0.4 4.2 4.4 4.6 4.8 5 5.2 5.4 Supply Voltage (V) V vs. ...
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BatteryManager BatteryManager TM TM Typical Characteristics Temperature Sense Output Current vs. Temperature -50 - Temperature (° ° C) 3685.2007.12.1.4 3685.2007.12.1.4 Lithium-Ion/Polymer Battery Charger Lithium-Ion/Polymer Battery Charger 75 100 ...
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BatteryManager BatteryManager TM TM Functional Block Diagram ADP/USB PWRSEL SETH SETL CHR STAT1 STAT2 DATA EN Functional Description The AAT3685 is a highly integrated single cell lithium- ion/polymer battery charger IC designed to operate from adapter or USB port V ...
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BatteryManager TM Charge Complete Voltage Regulated Current Constant Current Mode Voltage Threshold Trickle Charge and Termination Threshold Figure 1: Current vs. Voltage Profile During Charging Phases. Battery Preconditioning Before the start of charging, the AAT3685 checks sev- eral conditions in ...
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BatteryManager BatteryManager TM TM System Operation Flow Chart No Recharge Test V > V RCH BAT 12 12 Lithium-Ion/Polymer Battery Charger Lithium-Ion/Polymer Battery Charger Switch On UVLO Yes No Sleep V > V Mode P UVLO SETL Current Loop Power ...
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BatteryManager TM Application Information USB System Power Charging The USB charge mode provides two programmable fast charge levels for each, SETH and SETL. The SETH or SETL modes may be externally selected by the select pin (PWRSEL). ...
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BatteryManager TM within the operating voltage limits as specified in the Electrical Characteristics section of this datasheet. This makes the AAT3685 perfect for applications that only have one input path, but may access either a line adapt- er source or ...
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BatteryManager TM After the system recovers from a temperature fault, the device will resume charging operation. The AAT3685 checks battery temperature before starting the charge cycle, as well as during all stages of charging. This is accomplished by monitoring the ...
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BatteryManager TM N DATA Report Status 1 Chip Over-Temperature Shutdown 2 Battery Temperature Fault 3 Over-Voltage Turn Off 4 Not Used 5 Not Used 6 Not Used 7 Not Used 8 Not Used 9 Not Used 10 Not Used 11 ...
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BatteryManager TM Timing Diagram SQ SQ PULSE System Reset System Start CK T SYNC Data DATA(RPT) SYNC T > OFF DATA Thermal Considerations The AAT3685 is packaged in a Pb-free, 3x3mm TDFN package which can ...
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BatteryManager TM The maximum ambient temperature before the AAT3685 thermal limit protection will shut down charging can now be calculated using Equation 5: Eq 140° 50°C/W · 1.00375W 89.81°C Therefore, under the stated ...
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BatteryManager BatteryManager TM TM AAT3685 Evaluation Board Layout Figure 5: AAT3685 Evaluation Board Component Side Layout. AAT3685 Evaluation Board Schematic Diagram Mini-B GND ADP/USB 1 C2 TB1 10μF ADP/USB 1 2 GND BAT ...
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... Panasonic/ECG R7 0603 Panasonic/ECG R8 0603 Panasonic/ECG SW1 SWITCH ITT Industries/ C&K Div. U1 TDFN33-12 AnalogicTech PRODUCT DATASHEET PRODUCT DATASHEET AAT3685 AAT3685 Part Number Mill-Max 6821-0-0001-00-00-08-0 277-1274-ND 277-1273-ND H2959CT-ND Murata 490-1717-1-ND CMD15-21SRC/TR8 CMD15-21VGC/TR8 Sullins 6821-0-0001-00-00-08-0 P10KCFCT-ND P1.5KCGCT-ND P40.2KHTR-ND P8.06KHCT-ND CKN9012-ND AAT3685IWP 3685.2007.12.1.4 3685.2007.12.1.4 ...
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... Lithium-Ion/Polymer Battery Charger Part Number (Tape and Reel) 1 RNXYY TMXYY TDFN33-12 Detail "A" 1.70 ± 0.05 Bottom View 0.05 ± 0.05 Side View PRODUCT DATASHEET PRODUCT DATASHEET AAT3685 AAT3685 2 AAT3685IWP-4.2-T1 AAT3685IWP-4.2-1-T1 0.43 ± 0.05 0.1 REF C0.3 Pin 1 Indicator (optional) Detail "A" ...