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MAX6779, MAX6780, MAX6781,pdf
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2009-08-02
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The MAX6775–MAX6781 low-power, 1%-accurate battery
monitors are available in the ultra-small μDFN
package (1.0mm x 1.5mm) and SC70 packages. These
low-power devices are ideal for monitoring single lithium-
ion (Li+) cells, or multicell alkaline/NiCd/NiMH
power sources. These devices offer single (MAX6775/
MAX6776/MAX6777/MAX6778) or dual (MAX6779/
MAX6780/MAX6781) low-battery outputs and feature
fixed or resistor-adjustable hysteresis. Hysteresis eliminates
the output chatter sometimes associated with battery
voltage monitors, usually due to input-voltage noise
or battery terminal voltage recovery after load removal.
These devices are available in several versions: with
single- or dual-voltage monitors, and with fixed or
adjustable hysteresis. The MAX6775/MAX6776 offer a
single battery monitor and factory-set hysteresis of
0.5%, 5%, or 10%. The MAX6779/MAX6780/MAX6781
have two battery monitors in a single package and factory-
set hysteresis of 0.5%, 5%, or 10%. The MAX6777/
MAX6778 offer a single battery monitor with external
inputs for the rising and falling thresholds, allowing
external hysteresis control.
monitors are available in the ultra-small μDFN
package (1.0mm x 1.5mm) and SC70 packages. These
low-power devices are ideal for monitoring single lithium-
ion (Li+) cells, or multicell alkaline/NiCd/NiMH
power sources. These devices offer single (MAX6775/
MAX6776/MAX6777/MAX6778) or dual (MAX6779/
MAX6780/MAX6781) low-battery outputs and feature
fixed or resistor-adjustable hysteresis. Hysteresis eliminates
the output chatter sometimes associated with battery
voltage monitors, usually due to input-voltage noise
or battery terminal voltage recovery after load removal.
These devices are available in several versions: with
single- or dual-voltage monitors, and with fixed or
adjustable hysteresis. The MAX6775/MAX6776 offer a
single battery monitor and factory-set hysteresis of
0.5%, 5%, or 10%. The MAX6779/MAX6780/MAX6781
have two battery monitors in a single package and factory-
set hysteresis of 0.5%, 5%, or 10%. The MAX6777/
MAX6778 offer a single battery monitor with external
inputs for the rising and falling thresholds, allowing
external hysteresis control.
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