Battery Management

New high-frequency switch-mode Li-Ion battery charger simplifies constant current control in quick-charge portables. The ADP2291 is a constant-current/constant-voltage linear charger for a single cell lithium ion battery, requiring just a few components to provide a simple and safe charging system that operates from a wide 4.5V to 12V input voltage range. The industry’s highest end-of-voltage accuracy levels are achieved to within ±0.4% at 25ºC, ±0.6% at 5ºC to 55ºC and ±0.7% at 0ºC to 85ºC.

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Circuit from the lab Engineered. Tested. Ready to Integrate.

PRODUCT SELECTION TABLES

Launch of ADIsimPower Voltage Regulator Selection Vin (min) V Vout V   Find Solutions
Vin (max) V Iout A
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Battery Chargers

Part#Switching or Linear# Cells ChargedCell TypeFinal Voltage OptionsAccuracy Over Temperature (max)Isupply (max)Operating Temp RangeVsupply Positive (min)Vsupply Positive (max)Operating Temp Range
ADP5063 Linear 1 Li-Ion 3.6 1.55 2 mA
ADP5062 Linear 1 Li-Ion 4.2 V (default) 1.2 2 mA
ADP5061 Linear 1 Li-Ion 3.5V-4.4V 20mV per Step 1.55 -
ADP5065 Switching 1 Li-Ion 3.5V-4.4V 20mV per Step 1 -
AD7280AReference Circuit Available - - - - - -
ADP2291 Linear 1 Li-Ion 4.2 1 -
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Battery Backup

Part#Reset Threshold (V)Min Reset Timeout (ms)Reset Output-StageBackup-Battery SwitchChip Enable GatingUS Price 1000 to 4999
ADM8324 - 20 Active-Low/Open-Drain No - $0.79
ADM8323 - 1 Active-Low/Push-Pull No - $0.79
ADM8322 - 20 Active-Low/Push-Pull No --- $0.69
ADM8321 - 20 - No - $0.69
ADM8320 - 20 Active-Low/Push-Pull No - $0.69
ADM8319 - 1 Active-Low/Push-Pull No --- $0.69
ADM8318 2.5 to 5 in 100 mV steps Adj Active-Low/Push-Pull No --- $0.69
ADM8316 2.5 to 5 in 100 mV steps - Active-Low/Push-Pull No - $0.69
ADM6348 3.3 100 Active-Low/Open-Drain No --- $0.95
ADM6346 3.3 100 Active-Low/Push-Pull No --- $0.95
ADM6328Reference Circuit Available 2.2 100 Active-Low/Open-Drain No --- $0.95
ADM6326 2.2 100 Active-Low/Push-Pull No --- $0.95
ADM12914 Adjustable Adj Active-Low/Open-Drain - - $2.79
ADM6339 -0.5 140 Active-Low/Open-Drain - --- $1.79
ADM2914 Adjustable Adj Active-Low/Open-Drain No --- $2.49
AD5100 Programmable Adj Active-Low/Push-Pull No --- $2.96
ADM1184 Adjustable 100 Active-High/Open-Drain No --- $1.79
ADM13307 0.6 140 Active-High/Push-Pull - - $0.99
ADM13305 0.6 1,600 Active-High/Push-Pull No - $0.96
ADM6710 0.62 140 Active-Low/Open-Drain No --- $1.62
ADM8617 1.58 1 Active-Low/Open-Drain No --- $0.86
ADM8616 1.58 1 Active-Low/Push-Pull No --- $0.86
ADM6823 1.58 140 Active-Low/Push-Pull No --- $0.76
ADM6384 1.58 1 Active-Low/Push-Pull No --- $0.95
ADM825 2.19 140 Active-High/Push-Pull No --- $0.51
ADM824 2.19 140 Active-High/Push-Pull No --- $0.51
ADM823 2.19 140 Active-Low/Push-Pull No --- $0.51
ADM6322 2.5 1 Active-High/Push-Pull No --- $0.51
ADM6321 2.5 1 Active-High/Push-Pull No --- $0.51
ADM6320 2.5 1 Active-Low/Open-Drain No --- $0.51
ADM6319 2.5 1 Active-High/Push-Pull No --- $0.50
ADM6318 2.5 1 Active-High/Push-Pull No --- $0.50
ADM6316 2.5 1 Active-Low/Push-Pull No --- $0.51
ADM803 2.32 140 Active-Low/Open-Drain No --- $0.26
ADM6713 2.32 140 Active-Low/Open-Drain No --- $0.28
ADM6711 2.32 140 Active-Low/Push-Pull No --- $0.28
ADM812 2.32 140 Active-High/Push-Pull No --- $0.46
ADM1817 2.18 100 Active-High/Push-Pull No --- $0.46
ADM1816 2.18 100 Active-Low/Open-Drain No --- $0.46
ADM1813 4.35 100 Active-Low/Int-Pullup No --- $0.39
ADM1815 2.18 100 Active-Low/Push-Pull No --- $0.39
ADM811 2.32 140 Active-Low/Push-Pull No --- $0.46
ADM6315 2.63 1 Active-Low/Open-Drain No --- $0.81
ADM1818 2.18 100 Active-Low/Open-Drain No --- $0.45
ADM1812 4.35 100 Active-High/Push-Pull No --- $0.46
ADM1811 4.35 100 Active-Low/Open-Drain No --- $0.46
ADM1810 4.35 100 Active-Low/Push-Pull No --- $0.46
ADM9690 4.31 10 Active-Low/Push-Pull No --- $1.52
ADM1232 4.37 250 Active-High/Push-Pull No --- $0.95
ADM8699 4.65 140 Active-High/Push-Pull No --- $2.01
ADM8698 4.65 140 Active-High/Push-Pull No --- $2.01
ADM8697 1.3 35 (Adjustable) Active-High/Push-Pull No Yes $2.72
ADM8696 1.3 35 (Adjustable) Active-High/Push-Pull Yes --- $2.72
ADM8695 4.65 140 (Adjustable) Active-High/Push-Pull Yes Yes $2.19
ADM8694 4.65 140 Active-Low/Push-Pull Yes --- -
ADM8693 4.4 35 (Adjustable) Active-High/Push-Pull Yes Yes -
ADM8691 4.65 35 (Adjustable) Active-High/Push-Pull Yes Yes $3.02
ADM8690 4.65 35 Active-Low/Push-Pull Yes --- $2.52
ADM810 2.32 140 Active-High/Push-Pull No --- $0.61
ADM809 2.32 140 Active-Low/Push-Pull No --- $0.62
ADM805 4.4 140 Active-High/Push-Pull Yes --- $2.23
ADM802 4.4 140 Active-Low/Push-Pull Yes --- $2.23
ADM800 4.4 140 (Adjustable) Active-High/Open-Drain Yes Yes $2.33
ADM693A 4.4 140 (Adjustable) Active-High/Open-Drain Yes Yes $1.85
ADM692A 4.4 140 Active-Low/Push-Pull Yes --- $1.68
ADM691A 4.65 140 (Adjustable) Active-High/Open-Drain Yes Yes $1.73
ADM690A 4.65 140 Active-Low/Push-Pull Yes --- $1.57
ADM709 2.63 140 Active-Low/Push-Pull No --- $0.71
ADM708 2.63 160 Active-High/Push-Pull No --- $0.85
ADM707 4.65 160 Active-High/Push-Pull No --- $0.97
ADM706 4.4 160 Active-Low/Push-Pull No --- $1.70
ADM705 4.65 160 Active-Low/Push-Pull No --- $1.02
ADM699 4.65 140 Active-High/Push-Pull No --- $1.68
ADM698 4.65 140 Active-High/Push-Pull No --- $1.37
ADM697 1.3 35 Active-High/Push-Pull No Yes $2.63
ADM696 1.3 35 Active-High/Push-Pull Yes --- $2.63
ADM695 4.65 140 (Adjustable) Active-High/Push-Pull Yes Yes $2.73
ADM694 4.65 140 Active-Low/Push-Pull Yes --- $2.53
ADM693 4.4 35 (Adjustable) Active-High/Push-Pull Yes Yes $2.73
ADM692 4.4 35 Active-Low/Push-Pull Yes --- $2.42
ADM691 4.65 35 (Adjustable) Active-High/Push-Pull Yes Yes $2.73
ADM690 4.65 35 Active-Low/Push-Pull Yes --- $2.42
ADM6825 1.58 140 Active-High/Push-Pull No --- -
ADM6824 1.58 140 Active-High/Push-Pull No --- -
ADM6822 1.58 140 Active-Low/Open-Drain No --- -
ADM6821 1.58 140 Active-High/Push-Pull No --- -
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Battery Source Selectors

Part#Reset Threshold (V)Min Reset Timeout (ms)Reset Output-StageBackup-Battery SwitchChip Enable GatingTyp Watchdog Timeout (ms)US Price 1000 to 4999
ADM697 1.3 35 Active-High/Push-Pull No Yes 100 $2.63
ADM696 1.3 35 Active-High/Push-Pull Yes --- 100 $2.63
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