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

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Vin (max) V Iout A
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Battery Chargers

Part# Switching or Linear# Cells ChargedCell TypeFinal Voltage OptionsAccuracy Over TemperatureTemp Range Deg C (min)Temp Range Deg C (max)
ADP5063Linear1Li-Ion3.61.55%-40Deg125Deg
ADP5062Linear1Li-Ion4.2 V (default)1.2%-40Deg125Deg
ADP5061Linear1Li-Ion3.5V-4.4V 20mV per Step1.55%-40Deg125Deg
ADP5065Switching1Li-Ion3.5V-4.4V 20mV per Step1%-40Deg125Deg
AD7280AReference Circuit Available-------
ADP2291Linear1Li-Ion4.21%-40Deg85Deg
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Battery Backup

Part# Reset ThresholdMin Reset Timeout (ms)Reset Output-StageBackup-Battery SwitchChip Enable GatingPrice* (1000 pcs.)
AD5100ProgrammableAdjActive-Low/Push-PullNo--- $2.96
ADM1184Adjustable100Active-High/Open-DrainNo--- $1.79
ADM12324.37, 4.62250Active-High/Push-Pull, Active-Low/Open-DrainNo--- $0.95
ADM12914AdjustableAdjActive-Low/Open-Drain-- $2.79
ADM133050.6, 1.68, 2.25, 2.93, 4.55, Adjustable1,600Active-High/Push-Pull, Active-Low/Push-PullNo- $0.96
ADM133070.6, 1.25, 1.68, 2.25, 2.93, 4.55, Adjustable140Active-High/Push-Pull, Active-Low/Push-Pull-- $0.99
ADM18104.35, 4.62100Active-Low/Push-PullNo--- $0.46
ADM18114.35, 4.62100Active-Low/Open-DrainNo--- $0.46
ADM18124.35, 4.62100Active-High/Push-PullNo--- $0.46
ADM18134.35, 4.62100Active-Low/Int-PullupNo--- $0.39
ADM18155 Options 2.18 to 3.06100Active-Low/Push-PullNo--- $0.39
ADM18165 Options 2.18 to 3.06100Active-Low/Open-DrainNo--- $0.46
ADM18175 Options 2.18 to 3.06100Active-High/Push-PullNo--- $0.46
ADM18185 Options 2.18 to 3.06100Active-Low/Open-DrainNo--- $0.45
ADM2914AdjustableAdjActive-Low/Open-DrainNo--- $2.49
ADM63156 Options 2.63 to 4.634 Options 1 to 20Active-Low/Open-DrainNo--- $0.81
ADM631626 Options 2.5 to 54 Options 1 to 20Active-Low/Push-PullNo--- $0.51
ADM631826 Options 2.5 to 54 Options 1 to 20Active-High/Push-Pull, Active-Low/Push-PullNo--- $0.5
ADM631926 Options 2.5 to 54 Options 1 to 20Active-High/Push-Pull, Active-Low/Push-PullNo--- $0.5
ADM632026 Options 2.5 to 54 Options 1 to 20Active-Low/Open-DrainNo--- $0.51
ADM632126 Options 2.5 to 54 Options 1 to 20Active-High/Push-Pull, Active-Low/Open-DrainNo--- $0.51
ADM632226 Options 2.5 to 54 Options 1 to 20Active-High/Push-Pull, Active-Low/Open-DrainNo--- $0.51
ADM632610 Options 2.2 to 3.08100Active-Low/Push-PullNo--- $0.95
ADM6328Reference Circuit Available10 Options 2.2 to 3.08100Active-Low/Open-DrainNo--- $0.95
ADM63399 Options -0.5 to 5140Active-Low/Open-Drain---- $1.79
ADM634614 Options 3.3 to 4.63100Active-Low/Push-PullNo--- $0.95
ADM634814 Options 3.3 to 4.63100Active-Low/Open-DrainNo--- $0.95
ADM638431 Options 1.58 to 54 Options 1 to 20Active-Low/Push-PullNo--- $0.95
ADM67100.62, 1.8, 2.5, 3.0, 3.3, 5.0, Adjustable140Active-Low/Open-DrainNo--- $1.62
ADM67116 Options 2.32 to 4.63140Active-Low/Push-PullNo--- $0.28
ADM67136 Options 2.32 to 4.63140Active-Low/Open-DrainNo--- $0.28
ADM68219 Options 1.58 to 4.63140Active-High/Push-PullNo--- **
ADM68229 Options 1.58 to 4.63140Active-Low/Open-DrainNo--- **
ADM68239 Options 1.58 to 4.63140Active-Low/Push-PullNo--- $0.76
ADM68249 Options 1.58 to 4.63140Active-High/Push-Pull, Active-Low/Push-PullNo--- **
ADM68259 Options 1.58 to 4.63140Active-High/Push-Pull, Active-Low/Push-PullNo--- **
ADM6904.6535Active-Low/Push-PullYes--- $2.42
ADM690A4.65140Active-Low/Push-PullYes--- $1.57
ADM6914.6535 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullYesYes $2.73
ADM691A4.65140 (Adjustable)Active-High/Open-Drain, Active-Low/Push-PullYesYes $1.73
ADM6924.435Active-Low/Push-PullYes--- $2.42
ADM692A4.4140Active-Low/Push-PullYes--- $1.68
ADM6934.435 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullYesYes $2.73
ADM693A4.4140 (Adjustable)Active-High/Open-Drain, Active-Low/Push-PullYesYes $1.85
ADM6944.65140Active-Low/Push-PullYes--- $2.53
ADM6954.65140 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullYesYes $2.73
ADM6961.3, Adjustable35Active-High/Push-Pull, Active-Low/Push-PullYes--- $2.63
ADM6971.3, Adjustable35Active-High/Push-Pull, Active-Low/Push-PullNoYes $2.63
ADM6984.65140Active-High/Push-Pull, Active-Low/Push-PullNo--- $1.37
ADM6994.65140Active-High/Push-Pull, Active-Low/Push-PullNo--- $1.68
ADM7054.65160Active-Low/Push-PullNo--- $1.02
ADM7064.4160Active-Low/Push-PullNo--- $1.7
ADM7074.65160Active-High/Push-Pull, Active-Low/Push-PullNo--- $0.97
ADM7084 Options 2.63 to 4.4160Active-High/Push-Pull, Active-Low/Push-PullNo--- $0.85
ADM7095 Options 2.63 to 4.65140Active-Low/Push-PullNo--- $0.71
ADM8004.4, 4.65140 (Adjustable)Active-High/Open-Drain, Active-Low/Push-PullYesYes $2.33
ADM8024.4, 4.65140Active-Low/Push-PullYes--- $2.23
ADM8036 Options 2.32 to 4.63140Active-Low/Open-DrainNo--- $0.26
ADM8054.4, 4.65140Active-High/Push-PullYes--- $2.23
ADM8097 Options 2.32 to 4.63140Active-Low/Push-PullNo--- $0.62
ADM8107 Options 2.32 to 4.63140Active-High/Push-PullNo--- $0.61
ADM8116 Options 2.32 to 4.63140Active-Low/Push-PullNo--- $0.46
ADM8126 Options 2.32 to 4.63140Active-High/Push-PullNo--- $0.46
ADM8237 Options 2.19 to 4.63140Active-Low/Push-PullNo--- $0.51
ADM8247 Options 2.19 to 4.63140Active-High/Push-Pull, Active-Low/Push-PullNo--- $0.51
ADM8257 Options 2.19 to 4.63140Active-High/Push-Pull, Active-Low/Push-PullNo--- $0.51
ADM83162.5 to 5 in 100 mV steps-Active-Low/Push-PullNo- $0.69
ADM83182.5 to 5 in 100 mV stepsAdjActive-Low/Push-PullNo--- $0.69
ADM8319-4 Options 1 to 20Active-Low/Push-PullNo--- $0.69
ADM8320-20Active-Low/Push-PullNo- $0.69
ADM8321-20-No- $0.69
ADM8322-20Active-Low/Push-PullNo--- $0.69
ADM8323-4 Options 1 to 20Active-Low/Push-PullNo- $0.79
ADM8324-20Active-Low/Open-DrainNo- $0.79
ADM86169 Options 1.58 to 4.634 Options 1 to 20Active-Low/Push-PullNo--- $0.86
ADM86179 Options 1.58 to 4.634 Options 1 to 20Active-Low/Open-DrainNo--- $0.86
ADM86904.6535Active-Low/Push-PullYes--- $2.52
ADM86914.6535 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullYesYes $3.02
ADM86934.435 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullYesYes **
ADM86944.65140Active-Low/Push-PullYes--- **
ADM86954.65140 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullYesYes $2.19
ADM86961.335 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullYes--- $2.72
ADM86971.335 (Adjustable)Active-High/Push-Pull, Active-Low/Push-PullNoYes $2.72
ADM86984.65140Active-High/Push-Pull, Active-Low/Push-PullNo--- $2.01
ADM86994.65140Active-High/Push-Pull, Active-Low/Push-PullNo--- $2.01
ADM96904.3110, 50Active-Low/Push-PullNo--- $1.52
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Battery Source Selectors

Part# Reset ThresholdMin Reset Timeout (ms)Reset Output-StageBackup-Battery SwitchChip Enable GatingWatchdog Timeout(mS)Price* (1000 pcs.)
ADM6961.3, Adjustable35Active-High/Push-Pull, Active-Low/Push-PullYes---100, 1600, adj. $2.63
ADM6971.3, Adjustable35Active-High/Push-Pull, Active-Low/Push-PullNoYes100, 1600, adj. $2.63
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