AAT2552IRN-CAE-T1 Analogic Tech, AAT2552IRN-CAE-T1 Datasheet

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SystemPower TM General Description The AAT2552 is a fully integrated 500mA battery char- ger, a 300mA step-down converter, and a 300mA low dropout (LDO) linear regulator. The input voltage range 7.5V for the battery charger and 2.7V ...

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SystemPower SystemPower TM TM Pin Descriptions Pin # Symbol Function Enable pin for the battery charger. When connected to logic low, the battery charger is disabled and 1 EN_BAT consumes less than 1μA of current. When connected to logic high, ...

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SystemPower SystemPower TM TM Absolute Maximum Ratings Symbol Description Input Voltage to GND INA INB V Adapter Voltage to GND ADP GND GND FB V ENA, ENB, EN_BAT to GND ...

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SystemPower SystemPower TM TM Electrical Characteristics V = 3.6V -40°C to +85°C, unless otherwise noted. Typical values are T INB A Symbol Description Step-Down Converter V Input Voltage IN V UVLO Threshold UVLO V Output Voltage Tolerance 2 ...

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SystemPower SystemPower TM TM Electrical Characteristics -40°C to +85°C, unless otherwise noted. Typical values are T ADP A Symbol Description Battery Charger Operation V Adapter Voltage Range ADP Under-Voltage Lockout (UVLO) V UVLO UVLO Hysteresis ...

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SystemPower SystemPower TM TM Typical Characteristics–Battery Charger Constant Charging Current vs. Set Resistors (V = 5.0V) IN 10000 1000 100 100 (kΩ Ω SET Operating Current vs. Temperature = 8.06kΩ Ω 5.0V; ...

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SystemPower SystemPower TM TM Typical Characteristics–Battery Charger End of Charge Voltage Regulation vs. Temperature = 8.06kΩ Ω 5V SET 4.215 4.210 4.205 4.200 4.195 4.190 4.185 -40 - Temperature (°C) Recharging Threshold Voltage ...

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SystemPower SystemPower TM TM Typical Characteristics–Battery Charger Enable Threshold High vs. Input Voltage = 8.06kΩ Ω SET 1.2 -40°C 1.1 1.0 0.9 0.8 25°C 0.7 4.0 4.5 5.0 5 Total Power Solution for ...

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SystemPower SystemPower TM TM Typical Characteristics–Step-Down Converter Efficiency vs. Load (V = 3.3V 5.6µH) OUT 100 Output ...

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SystemPower SystemPower TM TM Typical Characteristics–Step-Down Converter Line Regulation (V = 1.8V) OUT 0 10mA 0.1 OUT 50mA OUT -0.1 -0.2 -0 150mA OUT -0.4 2.7 3.1 3.5 3.9 4.3 Input Voltage (V) ...

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SystemPower SystemPower TM TM Typical Characteristics–Step-Down Converter Load Transient Response (10mA to 300mA 3.6V 1.8V 4.7µ 100pF) IN OUT OUT 2.0 1.9 V OUT 1.8 1.7 1.6 I 300mA OUT I LX ...

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SystemPower SystemPower TM TM Typical Characteristics–LDO Regulator Quiescent Current vs. Temperature (V = 5V) IN 120 110 100 -40 - Temperature (° ° C) LDO Dropout Characteristics (EN = GND; ENLDO = V ...

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SystemPower SystemPower TM TM Typical Characteristics–LDO Regulator Line Transient Response (I = 300mA) OUT 3.40 3.35 V OUT 3. Time (100µs/div) Turn-Off Response Time (V = 4.2V 300mA) IN OUT Time (50µs/div) LDO Output Noise (C ...

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SystemPower SystemPower TM TM Functional Block Diagram ADP Current Compare Constant Current ISET STAT Charge Status EN_BAT Voltage Reference ENB MODE INA Fast Start ENA Control Functional Description The AAT2552 is a high performance power man-agement IC comprised of a ...

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SystemPower TM sumes 45μA of current, making it ideal for battery- operated applications. The output voltage is program- mable from low as 0.6V. Power devices are IN sized for 300mA current capability while maintaining over 96% efficiency ...

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SystemPower TM be high (internally pulled down). When the battery is connected to the BAT pin, the charger checks the condi- tion of the battery and determines which charging mode to apply. If the battery voltage is below V begins ...

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SystemPower SystemPower TM TM Battery Charging System Operation Flow Chart No Shut Down No Recharge Test V > V RCH BAT 2552.2009.01.1.3 2552.2009.01.1.3 Total Power Solution for Portable Applications Total Power Solution for Portable Applications Enable Yes Power Input Voltage ...

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SystemPower TM Application Information Soft Start / Enable The EN_BAT pin is internally pulled down. When pulled to a logic high level, the battery charger is enabled. When left open or pulled to a logic low level, the battery charger ...

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SystemPower TM last resistor should be placed between the LED cathode and the STAT pin. LED current consumption will add to the overall thermal power budget for the device pack- age, hence it is good to keep the LED drive ...

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SystemPower TM 500 450 400 350 300 T = 60°C A 250 200 150 T = 85°C A 100 50 0 4.25 4.5 4.75 5 5.25 5.5 5.75 V (V) IN Figure 4: Maximum Charging Current Before Thermal Cycling Becomes ...

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SystemPower TM The maximum input capacitor RMS current is: ⎛ ⎞ · · ⎝ ⎠ The input capacitor RMS ripple current varies with the ...

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SystemPower TM age droop during the three switching cycles to the output capacitance can be estimated by: 3 · ΔI LOAD C = OUT V · F DROOP Once the average inductor current increases to the DC load level, the ...

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SystemPower TM Adjustable Output Voltage for the LDO The output voltage for the LDO can be programmed by an external resistor divider network. As shown below, the selection of R4 and straight- forward matter chosen ...

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SystemPower SystemPower TM TM JP1 EN_BAT 2 1 RED LED Sync/Mode VoB C4 100pF R2 (Optional) C3 4.7μF V (V) R2 (Ω) L1 OUTB 0.6 R2 short, R3 open 13 9.2K 1.5μH (CDRH2D09/HP; DCR 88mΩ; 730mA @ 20°C) 1.2 59K ...

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... SystemPower SystemPower TM TM Component Part Number U1 AAT2552IRN C1, C2 ECJ-1VB0J106M C3, C5 GRM188R60J475KE19 C6 GRM319R61A106KE19 C4 GRM1886R1H101JZ01J L1 CDRH2D09 R6 Chip Resistor R1 Chip Resistor R2 Chip Resistor R3, R5 Chip Resistor R4 Chip Resistor JP1, JP2, JP3, JP4 PRPN401PAEN D1 CMD15-21SRC/TR8 Table 5: AAT2552 Evaluation Board Component Listing. 2552.2009.01.1.3 2552.2009.01.1.3 Total Power Solution for Portable Applications ...

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SystemPower SystemPower TM TM Step-Down Converter Design Example (to be updated) Specifications V = 1.8V @ 250mA, Pulsed Load Δ 2.7V to 4.2V (3.6V nominal 1.5MHz 85°C AMB 1.8V Output Inductor ...

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SystemPower SystemPower TM TM AAT2552 Losses 2 I · (R · · DSON(H) O DSON( TOTAL · F · · ...

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SystemPower SystemPower TM TM Output Voltage V (V) OUTB 0.6 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.8 1.85 2.0 2.5 3 3.3 Table 6: Step-Down Converter Component Values. Manufacturer Part Number Sumida CDRH2D09-1R5 Sumida CDRH2D09-2R2 Sumida CDRH2D09-2R5 Sumida ...

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SystemPower SystemPower TM TM Manufacturer Part Number Murata GRM21BR61A106KE19 Murata GRM188R60J475KE19 Murata GRM188R61A225KE34 Murata GRM188R60J225KE19 Murata GRM188R61A105KA61 Murata GRM185R60J105KE26 2552.2009.01.1.3 2552.2009.01.1.3 Total Power Solution for Portable Applications Total Power Solution for Portable Applications Value (μF) Voltage Rating 10 10 4.7 ...

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... Sample stock is generally held on part numbers listed in BOLD. 3. Product not available for U.S. market Total Power Solution for Portable Applications Total Power Solution for Portable Applications Marking Part Number (Tape and Reel) 1 UVXYY PRODUCT DATASHEET PRODUCT DATASHEET AAT2552178 AAT2552178 2 AAT2552IRN-CAE-T1 3 2552.2009.01.1.3 2552.2009.01.1.3 ...

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... Testing and other quality control techniques are utilized to the extent AnalogicTech deems necessary to support this warranty. Specifi c testing of all parameters of each device is not necessarily performed. AnalogicTech and the AnalogicTech logo are trademarks of Advanced Analogic Technologies Incorporated. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders ...