AAT3685IWP-4.2-1-T1 Advanced Analog Technology, Inc., AAT3685IWP-4.2-1-T1 Datasheet
AAT3685IWP-4.2-1-T1
Related parts for AAT3685IWP-4.2-1-T1
AAT3685IWP-4.2-1-T1 Summary of contents
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General Description The AAT3685 BatteryManager™ highly inte- grated single cell lithium-ion/polymer battery charg 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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Pin Descriptions Pin # Name Type 1 ADP/USB In 2 BAT In/Out 3 GND Ground 4 CHR In/Out In/Out 7 DATA In/Out 8 STAT2 Out 9 STAT1 Out 10 PWRSEL In 11 SETL In/Out 12 ...
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AAT3685 Feature Options Internal Pull-Up Product Resistor on EN Pin AAT3685 No AAT3685-1 Yes Absolute Maximum Ratings Symbol Description V ADP/USB Input Voltage, <30ms, Duty Cycle <10 ADP/USB Input Voltage, Continuous P V BAT, PWRSEL, SETH, SETL, STAT1, ...
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Electrical Characteristics -25°C to +85°C, unless otherwise noted. Typical values are at T ADP A Symbol Description Operation ADP/USB Input Voltage Range Under-Voltage Lockout V UVLO Under-Voltage Lockout Hysteresis I Operating Current OP I Sleep ...
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Electrical Characteristics -25°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) V Input High Threshold ...
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Typical Characteristics I vs. R FASTCHARGE SET 10000 1000 SETL 100 SETH (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 - Temperature (°C) Preconditioning ...
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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 (SETL; SETL = 40.2kΩ Ω ...
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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 Supply Voltage (V) V vs. Supply Voltage IH PWRSEL (Rising) ...
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Typical Characteristics Temperature Sense Output Current vs. Temperature -50 - Temperature (° ° C) 3685.2006.10.1.3 Lithium-Ion/Polymer Battery Charger 50 75 100 AAT3685 9 ...
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Functional Block Diagram ADP/USB PWRSEL SETH SETL CHR STAT1 STAT2 DATA EN Functional Description The AAT3685 is a highly integrated single cell lithi- um-ion/polymer battery charger IC designed to operate from adapter or USB port V while requiring a minimum ...
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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 AAT3685 has four basic modes for the battery charge cycle and is powered ...
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System Operation Flow Chart Sleep Mode Conditions Monitor Yes Temperature Monitor No Yes Recharge Test Preconditioning Test V > V RCH BAT Current Phase Test Voltage Phase Test 12 Lithium-Ion/Polymer Battery Charger Switch On UVLO No Yes V > V ...
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Application Information USB System Power Charging The USB charge mode provides two programma- ble fast charge levels for each, SETH and SETL. The SETH or SETL modes may be exter- nally selected by the select pin (PWRSEL). ...
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Input Charge Inhibit and Resume The AAT3685 UVLO and power on reset feature will function when the input pin voltage level drops below the UVLO threshold. At this point, the charg- er will suspend charging and shut down. When power ...
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SETL 100 SETH (kΩ) SET Figure 3: I vs. R FASTCHARGE Protection Circuitry Over-Voltage Protection An over-voltage event is defined as a condition where the voltage on the BAT pin exceeds the maximum battery ...
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Event Description Charge Disabled or Low Supply Charge Enabled Without Battery Battery Charging Charge Completed Fault The LED anodes should be connected to V The LEDs should be biased with as little current as necessary to create reasonable illumination; there- ...
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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 Not Used ...
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Data Timing The system microcontroller should assert an active low data request pulse for minimum duration of 200ns; this is specified by T LO(DATA) the rising edge of the end of the data request pulse, Timing Diagram SQ SQ PULSE ...
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Where Ambient Temperature in Degrees Maximum Device Junction Temperature J Protected by the Thermal Limit Control P = Total Power Dissipation by the Device D θ = Package Thermal Resistance in °C/W JA Example: ...
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AAT3685 Evaluation Board Layout Figure 5: AAT3685 Evaluation Board Component Side Layout. 20 Lithium-Ion/Polymer Battery Charger Figure 6: AAT3685 Evaluation Board Solder Side Layout. AAT3685 3685.2006.10.1.3 ...
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AAT3685 Evaluation Board Schematic Diagram Mini-B GND ADP/USB 1 C2 TB1 10μF ADP/USB 1 GND 2 BAT GND 3 TB2 C1 10μF 3685.2006.10.1.3 Lithium-Ion/Polymer Battery Charger ON/OFF PWRSEL J1 J2 ...
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... Chicago Miniature CMD15-21VGC/TR8 Lamp J1, J2 HEADER2MM-3 Sullins R4 0603 Panasonic/ECG R5, R6, R9 0603 Panasonic/ECG R7 0603 Panasonic/ECG R8 0603 Panasonic/ECG SW1 SWITCH ITT Industries/ C&K Div. U1 TDFN33-12 AnalogicTech AAT3685 Part Number 6821-0-0001-00-00-08-0 277-1274-ND 277-1273-ND 490-1717-1-ND 6821-0-0001-00-00-08-0 P10KCFCT-ND P1.5KCGCT-ND P40.2KHTR-ND P8.06KHCT-ND CKN9012-ND AAT3685IWP 3685.2006.10.1.3 3685.2006.10.1.3 ...
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... Index Area (D/2 x E/2) Detail "B" 1.70 ± 0.05 Bottom View Option A: Option B: C0.30 (4x) max R0.30 (4x) max Chamfered corner Round corner Detail "A" AAT3685 Part Number (Tape and Reel) 2 AAT3685IWP-4.2-T1 AAT3685IWP-4.2-1-T1 0.3 ± 0.10 0.16 0.375 ± 0.125 0.075 ± 0.075 0.1 REF Pin 1 Indicator (optional) Detail "B" 23 ...