Datasheet MAX20480 (Analog Devices) - 4

MAX20480 Four- to Seven-Input Automotive Power-System Monitor Family
Electrical Characteristics (continued)
(VDD = 3.3V, TA = TJ = -40°C to +125°C, unless otherwise noted, Typical values are at TA = 25°C under normal conditions unless otherwise noted., )
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
OV/UV Threshold 2.5 10 % Range OV/UV Threshold 0.5%/step 4 Bits Resolution (IN1 through IN4) ≥ 1.0V. Factory- trimmed -1 1 % OV/UV Threshold thresholds. Accuracy (IN1 through IN4) < 1.0V. Factory- -10 10 mV trimmed thresholds. (IN1 through IN4) voltage falling 0.23 0.25 0.27 OFF Threshold VOFF V (IN1 through IN4) voltage rising 0.28 0.3 0.32 UV Comparator Filter t Time UV 2% below threshold 5 µs OV Comparator Filter t Time OV 2% above threshold 5 µs
IN5
Input Current IIN5 VIN5 ≤ 5V 1.5 2.3 µA Set-Point Range 0.5 5.5 V Set-Point Resolution 20mV/step 8 Bits OV/UV Threshold 0.5%/step 4 Bits Resolution OV/UV Threshold IN5 ≥ 1.0V. Factory-trimmed thresholds. -1 1 % Accuracy IN5 < 1.0V. Factory-trimmed thresholds. -10 10 mV IN5 voltage falling 0.23 0.25 0.27 OFF Threshold VOFF V IN5 voltage rising 0.28 0.3 0.32 UV Comparator Filter t Time UV 2% below threshold 5 µs OV Comparator Filter t Time OV 2% above threshold 5 µs OV/UV Threshold 2.5 10 % Range
IN6P-IN7P, INM
INM Range VINM -0.1 0.1 V Input Current IIN_ VIN_ ≤ 1.8V 1.4 2.2 µA Set-Point Range Relative to INM 0.5 1.775 V Set-Point Resolution 5mV/step 8 Bits (IN6P, IN7P) ≥ 1.0V -1 1 % Set-Point Accuracy (IN6P, IN7P) < 1.0V -10 10 mV www.maximintegrated.com Maxim Integrated | 4 Document Outline General Description Applications Benefits and Features Simplified Block Diagram Absolute Maximum Ratings Package Information 16-TQFN-EP Electrical Characteristics Electrical Characteristics (continued) Typical Operating Characteristics Typical Operating Characteristics (continued) Pin Configurations MAX20480A MAX20480B MAX20480C MAX20480D Pin Description Pin Description (continued) Functional Diagram Detailed Description I2C Interface Bit Transfer STOP and START Conditions Early STOP Condition Clock Stretching I2C General Call Address Packet Error Checking (PEC) Slave Address Acknowledge Write-Data Format Read-Data Format Voltage Monitor DVS Operation DVS Command Sequence (Low to High): DVS Command Sequence (High to Low): I2C DVS Timing Example (Low to High) Flexible Power Sequence Recorder Windowed Watchdog and Reset Control Sample C Code For Challenge/Response Watchdog Window Settings RESET Output Enable Inputs (EN0/EN1) Comparator Power States Register Map Top Level Register Details ID (0x00) CONFIG1 (0x01) CONFIG2 (0x02) VMON (0x03) RSTMAP (0x4) STATOV (0x5) STATUV (0x6) STATOFF (0x7) VIN1 (0x8) VIN2 (0x9) VIN3 (0xA) VIN4 (0xB) VIN5 (0xC) VINO6 (0xD) VINU6 (0xE) VINO7 (0xF) VINU7 (0x10) OVUV1 (0x11) OVUV2 (0x12) OVUV3 (0x13) OVUV4 (0x14) OVUV5 (0x15) FPSSTAT1 (0x16) FPSCFG1 (0x17) UTIME1 (0x18) UTIME2 (0x19) UTIME3 (0x1A) UTIME4 (0x1B) UTIME5 (0x1C) UTIME6 (0x1D) UTIME7 (0x1E) DTIME1 (0x1F) DTIME2 (0x20) DTIME3 (0x21) DTIME4 (0x22) DTIME5 (0x23) DTIME6 (0x24) DTIME7 (0x25) WDSTAT (0x26) WDCDIV (0x27) WDCFG1 (0x28) WDCFG2 (0x29) WDKEY (0x2A) WDLOCK (0x2B) RSTCTRL (0x2C) CID (0x2D) Applications Information Diagnostics Typical Application Circuit Ordering Information Revision History