MAX6771 MAXIM [Maxim Integrated Products], MAX6771 Datasheet
MAX6771
Available stocks
Related parts for MAX6771
MAX6771 Summary of contents
Page 1
Rev 4; 5/09 Monitors in µDFN and SC70 Packages General Description The MAX6775–MAX6781 low-power, 1%-accurate bat- tery 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 ...
Page 2
Low-Power, 1%-Accurate Battery Monitors in µDFN and SC70 Packages ABSOLUTE MAXIMUM RATINGS BATT to GND............................................................-0.3V to +6V LBI, LBL, LBH, LBI1, LBI2 to GND ...............-0.3V to minimum of ((V LBO, LBO1, LBO2 to GND (open-drain) .................-0.3V to +6V LBO, LBO1, ...
Page 3
Monitors in µDFN and SC70 Packages ELECTRICAL CHARACTERISTICS (continued 1.6V to 5.5V -40°C to +85°C, unless otherwise specified. Typical values are at T BATT A PARAMETER SYMBOL LOW-BATTERY OUTPUTS (LBO, LBO1, LBO2) Propagation Delay t Startup ...
Page 4
Low-Power, 1%-Accurate Battery Monitors in µDFN and SC70 Packages (T = +25°C, unless otherwise noted.) A NORMALIZED THRESHOLD VOLTAGES vs. TEMPERATURE, MAX67__A 1 NORMALIZED +25° RISING -1 FALLING - -40 -15 10 ...
Page 5
Low-Power, 1%-Accurate Battery Monitors in µDFN and SC70 Packages MAX6775/ MAX6777/ MAX6776 MAX6778 µDFN SC70 µDFN SC70 1 1 — — — — — 5 — ...
Page 6
Low-Power, 1%-Accurate Battery Monitors in µDFN and SC70 Packages Detailed Description These battery monitors have an active-low output that asserts when the input falls below a set voltage. They also offer hysteresis for noise immunity, and to remove the possibility ...
Page 7
Monitors in µDFN and SC70 Packages The MAX6779, MAX6780, and MAX6781 monitor two battery levels or two independent voltages. A common application for this type of dual-battery monitor is to use one output as an early warning signal and the ...
Page 8
Low-Power, 1%-Accurate Battery Monitors in µDFN and SC70 Packages Calculating an External Hysteresis Resistive Divider Setting the hysteresis externally requires three external resistors, as shown in Figure 3. Select R lowing formula: × BATT RISING _ ≤ ...
Page 9
Monitors in µDFN and SC70 Packages PART MAX6775XKA+T MAX6775XKB+T MAX6775XKC+T MAX6775LTA+T MAX6775LTB+T MAX6775LTC+T MAX6776XKA+T MAX6776XKB+T MAX6776XKC+T MAX6776LTA+T MAX6776LTB+T MAX6776LTC+T Ordering Information (continued) PART TEMP RANGE MAX6778XK+T -40°C to +85°C MAX6778LT+T -40°C to +85°C MAX6779LT_+T -40°C to +85°C MAX6780LT_+T -40°C to ...
Page 10
Low-Power, 1%-Accurate Battery Monitors in µDFN and SC70 Packages TOP VIEW + GND2 1 MAX6775 2 GND MAX6776 LBI 3 SC70 + LBH 1 5 BATT MAX6777 GND 2 MAX6778 LBL 3 4 LBO SC70 For the latest package outline ...
Page 11
Monitors in µDFN and SC70 Packages REVISION REVISION NUMBER DATE 4 5/09 Updated Calculating an External Hysteresis Resistive Divider section Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit ...