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MAX11080 Dataheets PDF



Part Number MAX11080
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description High-Voltage Battery-Pack Fault Monitor
Datasheet MAX11080 DatasheetMAX11080 Datasheet (PDF)

19-4584; Rev 0; 5/09 www.DataSheet4U.com 12-Channel, High-Voltage Battery-Pack Fault Monitor General Description The MAX11080 is a battery-pack fault-monitor IC capable of monitoring up to 12 lithium-ion (Li+) battery cells. This device is designed to provide an overvoltage or undervoltage fault indication when any of the cells cross the user-selectable threshold for longer than the set program-delay interval. The overvoltage levels are pin selectable from +3.3V to +4.8V in 100mV increments, a.

  MAX11080   MAX11080


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19-4584; Rev 0; 5/09 www.DataSheet4U.com 12-Channel, High-Voltage Battery-Pack Fault Monitor General Description The MAX11080 is a battery-pack fault-monitor IC capable of monitoring up to 12 lithium-ion (Li+) battery cells. This device is designed to provide an overvoltage or undervoltage fault indication when any of the cells cross the user-selectable threshold for longer than the set program-delay interval. The overvoltage levels are pin selectable from +3.3V to +4.8V in 100mV increments, and have a guaranteed accuracy of ±25mV over the entire temperature range. The undervoltage level is also user selectable from +1.6V to +2.8V in 200mV increments. These levels are guaranteed to ±100mV over the entire temperature range. Undervoltage detection can be disabled as one of the user-configuration options. The MAX11080 has a built-in level-shifter that allows up to 31 MAX11080 devices to be connected in a daisychain fashion to reduce the number of interface signals needed for large stacks of series batteries. Each cell is monitored differentially and compared to the overvoltage and undervoltage thresholds. When any of the cells exceed this threshold for longer than the set program delay interval, the MAX11080 inhibits the heartbeat signal from being passed down the daisy chain. Built-in comparator hysteresis prevents threshold chattering. The MAX11080 is designed to be the perfect complement to the MAX11068 high-voltage measurement IC for redundant fault-monitoring applications. This device is offered in a 9.7mm x 4.4mm, 38-pin TSSOP package with 0.5mm pin spacing. The package is lead-free and RoHS compliant with an extended operating temperature range of -40°C to +105°C. o Operation from 6.0V to 72V o Pin-Selectable Overvoltage Threshold from +3.3V to +4.8V in 100mV Increments ±25mV Overvoltage-Detection Accuracy o Pin-Selectable Undervoltage Threshold from +1.6V to +2.8V in 200mV Increments ±100mV Undervoltage-Detection Accuracy o 300mV Over/Undervoltage-Threshold Detection Hysteresis o Programmable Delay Time of Alarm Detection from 3.0ms to 3.32s with an External Capacitor o Daisy-Chained Alarm and Shutdown Functions with Heartbeat Status Signal Up to 31 Devices Can Be Connected o Ultra-Low-Power Dissipation Operating-Mode Current Drain: 80µA Shutdown-Mode Current: 2µA o Wide Operating Temperature Range from -40°C to +105°C (AEC-Q100 Type 2) o 9.7mm x 4.4mm, 38-Pin TSSOP Package o Lead(Pb) Free and RoHS Compliant Features o Up to 12-Cell Li+ Battery Voltage Fault Detection MAX11080 Ordering Information PART MAX11080GUU+ TEMP RANGE -40°C to +105°C PIN-PACKAGE 38 TSSOP Applications High-Voltage, Multicell-Series-Stacked Battery Systems Electric Vehicles Hybrid Electric Vehicles Electric Bikes High-Power Battery Backup Solar Cell Battery Backup Super-Cap Battery Backup MAX11080GUU/V+ -40°C to +105°C 38 TSSOP +Denotes a lead(Pb)-free/RoHS-compliant package. /V denotes an automotive qualified part. Pin Configuration appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. www.DataSheet4U.com 12-Channel, High-Voltage Battery-Pack Fault Monitor MAX11080 ABSOLUTE MAXIMUM RATINGS HV, VDDU, GNDU, DCIN to AGND.........................-0.3V to +80V HV to DCIN and C12 ................................................-0.3V to +6V C2–C12 to AGND ....................................-0.3V to (VDCIN + 0.6V) Cn+1 to Cn, where n = 2 to 12...............................-0.3V to +80V C1 to C0 ...................................................-0.3V to +20V (Note 1) C1 to AGND ..............................-0.3V to (VDCIN + 0.6V) (Note 2) C0 to AGND...........................................................-0.3V to +0.9V SHDN, VAA to AGND ................................................-0.3V to +4V VDDU to GNDU .........................................................-0.3V to +6V OVSEL_, UVSEL_, TOPSEL to AGND ......-0.3V to (+VAA + 0.3V) CD, ALRML to AGND ...............................-0.3V to (+VAA + 0.3V) ALRMU to GNDU ...................................-0.3V to (+VDDU + 0.3V) CP+ to AGND ...........................(GNDU - 0.3V) to (VDDU + 0.3V) CP- to AGND...........................................-0.3V to (GNDU + 0.3V) CP- to VDDU .......................................................................+0.3V ESD Rating C_, REF, VAA, VDDU GNDU, DCIN, SHDN, CP+, CP-, HV, OVSEL_, UVSEL_, TOPSEL, ALRMU, ALRML, AGND, CD ..............................±2kV (Human Body Model, Note 3) Continuous Power Dissipation (TA = +70°C) 38-Pin TSSOP (derating 15.9mW/°C above +70°C) .........................1095.9mW Operating Temperature Range .........................-40°C to +105°C Storage Temperature Range .............................-55°C to +150°C Junction Temperature (continuous) .................................+150°C Lead.


LT3650-8.4 MAX11080 LP5553


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