MAX11080GUU+ Maxim Integrated Products, MAX11080GUU+ Datasheet
MAX11080GUU+
Specifications of MAX11080GUU+
Related parts for MAX11080GUU+
MAX11080GUU+ Summary of contents
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... Hybrid Electric Vehicles Electric Bikes High-Power Battery Backup Solar Cell Battery Backup Super-Cap Battery Backup ________________________________________________________________ Maxim Integrated Products 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. 12-Channel, High-Voltage Battery-Pack Fault Monitors 12-Cell Li+ Battery Voltage Fault Detection o Operation from 6 ...
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High-Voltage Battery-Pack Fault Monitors ABSOLUTE MAXIMUM RATINGS HV, VDD , GND , DCIN to AGND.........................-0.3V to +80V DCIN and C12 ................................................-0.3V to +6V Cn+1 to Cn, where 11...............................-0.3V to +80V C1 ...
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ELECTRICAL CHARACTERISTICS (continued unless otherwise noted MIN MAX specified from -40°C to +105°C.) PARAMETER VDD Output High U VDD Output Low U ALRM Output Voltage High L ALRM Output Voltage Low L ...
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High-Voltage Battery-Pack Fault Monitors (T = +25°C, unless otherwise noted.) A UNDERVOLTAGE SET THRESHOLD vs. TEMPERATURE 1.64 1.6V SET POINT 1.63 1.62 MAX 1.61 1.60 MEAN 1.59 1.58 1.57 MIN 1.56 1.55 -40 - ...
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PIN NAME DC Power-Supply Input. DCIN supplies the internal 3.3V regulator. This pin should be connected as shown 1 DCIN in the application diagrams. High-Voltage Bias biased by the output of the charge pump to provide a DC ...
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High-Voltage Battery-Pack Fault Monitors PIN NAME 24 V +3.3V Analog Supply Output. Bypass with a 1µF capacitor to AGND AGND Analog Ground. Should be connected to the negative terminal of cell 1. Active-Low Shutdown Input. This pin ...
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C12 CELL COMPARATORS C11 CELL COMPARATORS C10 CELL COMPARATORS C9 CELL COMPARATORS C8 CELL COMPARATORS C7 CELL COMPARATORS C6 CELL COMPARATORS C5 CELL COMPARATORS C4 CELL COMPARATORS C3 CELL COMPARATORS C2 CELL COMPARATORS C1 CELL COMPARATORS C0 Figure 1. Functional ...
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High-Voltage Battery-Pack Fault Monitors MODULE MODULE N+1 N+1 CELL STACK GND REFERENCE FUSE MODULE- (N+1) 22Ω BUS BAR C DCIN 0.1µF SMCJ70 80V MODULE+ (N) R13 CELL 12 R12 CELL 11 R11 CELL 10 R10 CELL 9 R9 CELL ...
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MODULE MODULE N+1 N+1 CELL STACK GND REFERENCE FUSE MODULE- (N+1) 22Ω C BUS BAR DCIN 0.1µF 80V MODULE+ (N) R11 C10 CELL 10 R10 CELL 9 R9 CELL 8 R8 CELL 7 R7 CELL 6 R6 CELL 5 R5 ...
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High-Voltage Battery-Pack Fault Monitors MODULE MODULE N+1 N+1 CELL STACK GND REFERENCE FUSE MODULE- (N+1) 22Ω C BUS BAR DCIN 0.1µF 80V MODULE+ (N) R9 CELL 8 R8 CELL 7 R7 CELL 6 R6 CELL 5 R5 CELL 4 ...
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MODULE MODULE N+1 N+1 CELL STACK GND REFERENCE MODULE- (N+1) HV DCIN BUS BAR C24 C23 R26 R25 R24 MODULE+ (N) CELL 12 CELL 11 CELL 10 CELL 9 CELL 8 CELL 7 CELL 6 CELL 5 CELL 4 CELL ...
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High-Voltage Battery-Pack Fault Monitors HV 6V DCIN C12 C1 TO C11 ESD DIODES MAX11080 MAX11081 C0 AGND Figure 6. ESD Diode Diagram Detailed Description Figure 1 shows the functional diagram; Figure 2 shows the application circuit diagram for a ...
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The threshold references for the comparators are set by the UVSEL_ and OVSEL_ input pins. When one of the cell voltages exceeds below V when internal cell out-of-range signal for ...
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High-Voltage Battery-Pack Fault Monitors event. Figure 8 summarizes the C DLY Once the ALRM pin is forced high due to an alarm L (+2.4V minimum as referred to AGND), it transitions back to a heartbeat signal only after all ...
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V OV ANY CELL CELL VOLTAGE CD ALRM L Figure 9. Single-Cell Overvoltage Detection Example V OV CELL 12 CELL 11 CELL VOLTAGE CELL N CELL 1 CD ALRM L Figure 10. Multiple-Cell Overvoltage Detection Example ______________________________________________________________________________________ 12-Channel, High-Voltage Battery-Pack ...
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High-Voltage Battery-Pack Fault Monitors Table 2. Undervoltage Threshold Selection THRESHOLD (V) Disabled 1.6 1.8 2.0 2.2 2.4 2.6 2.8 selection is sensed and stored at power-up and any subsequent change to the input pin status is ignored. Internal Linear ...
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VAA POR RESET ASSERTED CHARGE-PUMP INTERNAL RESET ASSERTED INTERNAL POR RESET ASSERTED 1.1ms TYP VOLTAGE APPLIED TO DCIN SHDN ASSERTED CHECK SHDN 0.7ms TYP SHDN DEASSERTED REGULATOR ENABLED V < 3.0V AA CHECK V 0.2ms TYP AA 1.0ms TYP V ...
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High-Voltage Battery-Pack Fault Monitors 22Ω TOP OF R LIMIT CELL STACK 22Ω SEE THE APPLICATION CIRCUIT DIAGRAM FOR PROPER CONNECTION LOCATION C DCIN 0.1µF 80V Figure 14. Battery Module Surge and Overvoltage Protection Circuit the SMCJ70 on the DCIN ...
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MODULE N+1 DCIN C12 GND U C11 ALRM SHDN C0 AGND MODULE N DCIN C12 GND U C11 CP+ ALRM AGND Figure 15. GND Connection: AC-Coupled to Next Module, U DC-Coupled to Present ...
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High-Voltage Battery-Pack Fault Monitors CP+ DEVICE (n) GND U Figure 17. Shutdown Circuit Interface . If SHDN < 0.6V, the MAX11080/ and then VDD U MAX11081 shut down. Figure 17 shows the shutdown circuit interface of two daisy-chain devices. ...
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Cell 1 must always be populated. The designer can choose which cell inputs to leave unused. The example application circuits recommended are the most efficient configurations. At power-up, the part compares the voltage applied to each cell ...
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High-Voltage Battery-Pack Fault Monitors Table 3. System Fault Modes CONDITION PCB or IC package open or short circuit—no stack load Random connection of cells to IC— no stack load Random connection of modules— no stack load Random connect/disconnect of ...
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Table 4. FMEA Analysis (Note 6) PIN NAME ACTION NUMBER Open (or Disconnected) 1 DCIN Short to Pin 2 Open (or Disconnected Short to Pin 3 Open (or Disconnected) 3 N.C. Short to Pin 4 Open (or Disconnected) ...
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High-Voltage Battery-Pack Fault Monitors Table 4. FMEA Analysis (Note 6) (continued) PIN NAME ACTION NUMBER Open (or Disconnected Short to Pin 9 Open (or Disconnected Short to Pin 10 Open (or Disconnected Short ...
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Table 4. FMEA Analysis (Note 6) (continued) PIN NAME ACTION NUMBER Open (or Disconnected Short to Pin 14 Open (or Disconnected Short to Pin 15 Open (or Disconnected Short to Pin 16 Open (or ...
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High-Voltage Battery-Pack Fault Monitors Table 4. FMEA Analysis (Note 6) (continued) PIN NAME ACTION NUMBER Open (or Disconnected) 20 OVSEL0 Short to Pin 21 Open (or Disconnected) 21 OVSEL1 Short to Pin 22 Open (or Disconnected) 22 OVSEL2 Short ...
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Table 4. FMEA Analysis (Note 6) (continued) PIN NAME ACTION NUMBER Open (or Disconnected) No effect. 29 TST1 Short to Pin 30 Open (or Disconnected) No effect. 30 TST2 Short to Pin 31 Open (or Disconnected) 31 TOPSEL Short to ...
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High-Voltage Battery-Pack Fault Monitors Pin Configuration TOP VIEW + DCIN N.C. 3 C12 4 C11 5 C10 6 MAX11080 C9 7 MAX11081 ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 29 © 2010 Maxim Integrated Products ...