AAT3697IWP-4.2-T1 Advanced Analog Technology, Inc., AAT3697IWP-4.2-T1 Datasheet
AAT3697IWP-4.2-T1
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AAT3697IWP-4.2-T1 Summary of contents
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General Description The AAT3697 BatteryManager is a highly integrat- ed single-cell lithium-ion/polymer battery charger IC designed to operate with AC adapter inputs. It requires a minimum number of external compo- nents. The AAT3697 precisely regulates battery charge voltage and current ...
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Pin Descriptions Pin # Name Type 1 BAT Out 2 ADP In 3 GND Ground ADPP# Out 6 TS In/Out 7 DATA Out 8 STAT2 Out 9 STAT1 Out 10 CT In/Out 11 N/C 12 ADPSET ...
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Absolute Maximum Ratings Symbol Description V ADP Input Voltage, <30ms, Duty Cycle <10 ADP Input Voltage, Continuous P V BAT, TS, ADPSET, ADPP#, DATA, CT, EN, STAT1, STAT2 N T Operating Junction Temperature Range J T Maximum Soldering ...
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Electrical Characteristics -40°C to +85°C, unless otherwise noted. Typical values are at T ADP A Symbol Description Operation ADP Adapter Voltage Range V Adapter Present Threshold Voltage ADPP Under-Voltage Lockout (UVLO) V UVLO UVLO Hysteresis ...
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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 EN(H) V Input Low Threshold EN(L) V Output Low Voltage ...
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Typical Characteristics Charge Current vs. R 10000 1000 100 1 10 (kΩ Ω SET End of Charge Voltage Regulation vs. Temperature 4.242 4.221 4.200 4.179 4.158 -50 - Temperature (° ° C) Pre-Charge Current vs. Temperature ...
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Typical Characteristics Charge Current vs. Battery Voltage (ADPSET = 8.06kΩ Ω 1.2 1.0 0.8 0.6 0.4 0.2 0.0 2.5 2.9 3.3 3.7 Battery Voltage (V) V vs. Supply Voltage IH EN Pin (Rising) 1.4 1.3 1.2 1.1 ...
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Typical Characteristics CT Pin Capacitance vs. Counter Timeout 2.0 1.8 1.6 1.4 Precondition Timeout 1.2 1.0 0.8 Precondition + Constant Current Timeout 0.6 or Constant Voltage Timeout 0.4 0.2 0 Time (hours Lithium-Ion/Polymer Battery ...
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Functional Block Diagram ADPSET ADP ADPP# STAT1 STAT2 DATA EN Functional Description The AAT3697 is a highly integrated single-cell lithi- um-ion/polymer battery charger IC designed to operate with standard AC adapter input sources, while requiring a minimum number of external ...
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Charge Complete Voltage Regulated Current Constant Current Mode Voltage Threshold Trickle Charge and Termination Threshold Figure 1: Current vs. Voltage Profile During Charging Phases. Charging Operation The AAT3697 has four basic modes for the battery charge cycle: pre-conditioning / trickle ...
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System Operation Flow Chart Yes No Application Information Adapter Power Input Constant current charge levels up to 2.0A may be programmed by the user when powered from a suf- ficient input power source. The AAT3697 will oper- ate from the ...
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AAT3697 may be read from the DATA pin and/or status LEDs. Please refer to the Battery Charge Status Indication discussion for further details on data reporting. Thermal Loop Control Due to the integrated nature of the ...
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Protection Circuitry Programmable Watchdog Timer The AAT3697 contains a watchdog timing circuit to shut down charging functions in the event of a defec- tive battery cell not accepting a charge over a preset period of time. Typically, a 0.1μF ceramic ...
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R and R for use with PTC Thermistor ⋅ R ⋅ Eq ⋅ ⋅ ⋅ ...
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Digital Charge Status Reporting The AAT3697 has a comprehensive digital data reporting system by use of the DATA pin feature. This function can provide detailed information regarding the status of the charging system. The DATA pin is a bi-directional port ...
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Timing Diagram SQ SQ PULSE System Reset System Start CK T SYNC Data DATA(RPT) SYNC T > OFF DATA N DATA Report Status 1 Chip Over-Temperature Shutdown. 2 Battery Temperature Fault. 3 Over-Voltage ...
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Thermal Considerations The AAT3697 is offered in a 3x3mm TDFN pack- age which can provide up to 2.0W of power dissi- pation when it is properly bonded to a printed cir- cuit board and has a maximum thermal resistance of ...
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Capacitor Selection Input Capacitor In general good design practice to place a decoupling capacitor between the ADP pin and ground. An input capacitor in the range of 1μF to 22μF is recommended. If the source supply is unregulated, ...
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AAT3697 Evaluation Board Schematic Diagram ADP 1 GND 2 C1 10μF BAT GND 2 C2 10μF 3697.2007.02.1.1 2A Lithium-Ion/Polymer Battery Charger RED LED J1 ON/OFF (TDFN33-12) 5 ADPP 10k 8 ...
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... Chicago Miniature CMD15-21VGC/TR8 Lamp J1 HEADER2MM-3 Sullins R1, R2 0603 Panasonic/ECG R6 0603 Panasonic/ECG R3, R4, 0603 Panasonic/ECG R5, R7 SW1 Switch ITT Industries/ C&K Div U1 TDFN33-12 AnalogicTech AAT3697 Part Number 6821-0-0001-00-00-08-0 277-1274-ND 277-1273-ND GRM219R60J106KE19 GRM188R71C104KA01D 6821-0-0001-00-00-08-0 P10KCFCT-ND P8.06KHCT-ND P1.5KCGCT-ND CKN9012-ND AAT3697IWP-4.2 3697.2007.02.1.1 ...
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... A solder fillet at the exposed copper edge cannot be guaranteed and is not required to ensure a proper bottom solder connection. 3697.2007.02.1.1 2A Lithium-Ion/Polymer Battery Charger Package Marking 1 TDFN33-12 VCXYY TDFN33-12 Detail "A" 1.70 ± 0.05 Bottom View 0.05 ± 0.05 Side View AAT3697 Part Number (Tape and Reel) 2 AAT3697IWP-4.2-T1 0.43 ± 0.05 0.1 REF C0.3 Pin 1 Indicator (optional) Detail "A" 21 ...
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Advanced Analogic Technologies, Inc. AnalogicTech cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an AnalogicTech product. No circuit patent licenses, copyrights, mask work rights, or other intellectual property rights are implied. AnalogicTech reserves ...