ADP3806JRUZ-REEL7 ON Semiconductor, ADP3806JRUZ-REEL7 Datasheet
ADP3806JRUZ-REEL7
Specifications of ADP3806JRUZ-REEL7
Related parts for ADP3806JRUZ-REEL7
ADP3806JRUZ-REEL7 Summary of contents
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FEATURES Li-Ion battery charger Three battery voltage options Selectable 12.525 V/16.700 V Selectable 12.600 V/16.800 V Adjustable High end-of-charge voltage accuracy ±0.4% @ 25°C ±0.6% @ 5°C to 55°C ±0.7% @ 0°C to 85°C Programmable charge current with rail-to-rail sensing ...
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ADP3806 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Typical Performance Characteristics ...
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SPECIFICATIONS @ 0°C ≤ T 100° unless otherwise noted Table 1. 1 Parameter BATTERY SENSE INPUT ADP3806-12.6 V and 16.8 V ADP3806-12.525 V and 16.7 V Input Resistance Input Current BATTERY SENSE INPUT V ...
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ADP3806 1 Parameter ISET INPUT Charge Current Programming Function Programming Function Accuracy ISET Bias Current BATSEL INPUT V = 12.6 V BAT V = 16.8 V BAT BATSEL Input Current BOOST REGULATOR OUTPUT Output Voltage 8 Output Current ANALOG REGULATOR ...
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ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Input Voltage ( BAT, CS+, CS− SYS+, SYS− BST BST PGND DRVL to PGND ISET, BATSEL, SD, SYNC, CT, LIMIT, ISYS, LC COMP GND to PGND Operating Ambient ...
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ADP3806 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic Function 1 VCC Supply Voltage. 2 SYS− Negative System Current Sense Input. 3 SYS+ Positive System Current Sense Input. 4 ISYS System Current Sense Output. 5 ...
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TYPICAL PERFORMANCE CHARACTERISTICS –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 V ACCURACY (%) BAT Figure 3. V Accuracy Distribution BAT 0.4 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0 ...
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ADP3806 16V 25° 250kHz OSC 500 1000 1500 2000 DRIVER LOAD CAPACITANCE (pF) Figure 9. Supply Current vs. Driver Load Capacitance ...
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CHARGE CURRENT (A) Figure 15. Conversion Efficiency vs. Charge Current CHARGE CHARGE ...
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ADP3806 THEORY OF OPERATION The ADP3806 combines a bootstrapped synchronous switching driver with programmable current control and accurate final battery voltage control in a constant-current, constant-voltage (CCCV) Li-Ion battery charger. High accuracy voltage control is needed to safely charge Li-Ion ...
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Typical values of R range from 25 mΩ mΩ, and the CS input range of ISET is from If, for example charger is required, R could be set to 40 ...
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ADP3806 The oscillator frequency is set by the external capacitor at the CT pin and the internal current source of 150 μA according to the following formula: 150 μ × × OSC ...
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The common-mode range of the input pins is from This amplifier is the only part of the CC ADP3806 that remains active during shutdown. The power to this block is derived ...
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ADP3806 APPLICATION INFORMATION DESIGN PROCEDURE Refer to Figure 18, the typical application circuit, for the following description. The design follows that of a buck converter. With Li-Ion cells important to have a regulator with accurate output voltage control. ...
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Current-Sense Filtering During normal circuit operation, the current-sense signals can have high frequency transients that need filtering to ensure proper operation. In the case of the CS+ and CS− inputs, the resistors (R3 and R4) are set to 249 Ω ...
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... ORDERING GUIDE Model Temperature Range ADP3806JRU-REEL 0˚C to 100˚C ADP3806JRU-REEL7 0˚C to 100˚C 1 ADP3806JRUZ-REEL 0˚C to 100˚C 1 ADP3806JRUZ-REEL7 0˚C to 100˚C ADP3806JRU-12.5-RL 0˚C to 100˚C ADP3806JRU-12.5-R7 0˚C to 100˚C 1 ADP3806JRUZ-12.5RL 0˚C to 100˚C 1 ADP3806JRUZ-12.5-R7 0˚C to 100˚C ADP3806JRU-12.6-RL 0˚C to 100˚C ADP3806JRU-12.6-R7 0˚ ...