Wide Range I2C Power, Charge and Energy Monitor Features:Rail-to-Rail Input Range: 0V to 100VWide Input Supply Range: 2.7V to 100VShunt Regulator for Supplies >100VΔΣ ADC with Less Than ±0.4% Total Unadjusted Error12-Bit Resolution for Current and Voltages±1% Accurate Power and Energy Measurements±0.6% Accurate Current and Charge MeasurementsAdditional ADC Input Monitors an External VoltageInternal ±5% or External Time BasesContinuous Scan and Snapshot ModesStores Minimum and Maximum ValuesAlerts When Limits ExceededSplit SDA Pin Eases Opto-IsolationShutdown Mode with IQ < 40μAAvailable in 4mm × 3mm DFN and 16-Lead MSOP Packages

Wide Range I2C Power, Charge and Energy Monitor Features:Rail-to-Rail Input Range: 0V to 100VWide Input Supply Range: 2.7V to 100VShunt Regulator for Supplies >100VΔΣ ADC with Less Than ±0.4% Total Unadjusted Error12-Bit Resolution for Current and Voltages±1% Accurate Power and Energy Measurements±0.6% Accurate Current and Charge MeasurementsAdditional ADC Input Monitors an External VoltageInternal ±5% or External Time BasesContinuous Scan and Snapshot ModesStores Minimum and Maximum ValuesAlerts When Limits ExceededSplit SDA Pin Eases Opto-IsolationShutdown Mode with IQ < 40μAAvailable in 4mm × 3mm DFN and 16-Lead MSOP Packages

Wide Range I2C Power, Charge and Energy Monitor Features:Rail-to-Rail Input Range: 0V to 100VWide Input Supply Range: 2.7V to 100VShunt Regulator for Supplies >100VΔΣ ADC with Less Than ±0.4% Total Unadjusted Error12-Bit Resolution for Current and Voltages±1% Accurate Power and Energy Measurements±0.6% Accurate Current and Charge MeasurementsAdditional ADC Input Monitors an External VoltageInternal ±5% or External Time BasesContinuous Scan and Snapshot ModesStores Minimum and Maximum ValuesAlerts When Limits ExceededSplit SDA Pin Eases Opto-IsolationShutdown Mode with IQ < 40μAAvailable in 4mm × 3mm DFN and 16-Lead MSOP Packages

Current, Voltage, and Charge Monitor forHigh Voltage Battery Packs Features: Measures Battery Stack Voltage, Current and Power Indicates Accumulated Battery Charge and Energy 20-Bit Current Measurement with <1μV Offset Built-In Isolated isoSPI™ or SPI Interface LTC68xx/ADBMS68xx Compatible, Supports Synchronous Measurements with Cell Monitors Up to 12 Buffered Voltage Measurement Inputs Up to 5 GPIOs, Configurable to Drive Ground, Supply or Toggling at 400kHz High or Low Side Current Sense 0.3% Current and Voltage Accuracy 1% Energy and Charge Accuracy True Average ADCs I2C EEPROM Interface to Store Board Calibration Factors Threshold Registers for all Measured Quantities Engineered for ISO26262 Compliant Systems Open Wire Detection on Input Pins Available in 48-Lead LQFP Package AEC-Q100 Qualified for Automotive Applications

Current, Voltage, and Charge Monitor forHigh Voltage Battery Packs Features: Measures Battery Stack Voltage, Current and Power Indicates Accumulated Battery Charge and Energy 20-Bit Current Measurement with <1μV Offset Built-In Isolated isoSPI™ or SPI Interface LTC68xx/ADBMS68xx Compatible, Supports Synchronous Measurements with Cell Monitors Up to 12 Buffered Voltage Measurement Inputs Up to 5 GPIOs, Configurable to Drive Ground, Supply or Toggling at 400kHz High or Low Side Current Sense 0.3% Current and Voltage Accuracy 1% Energy and Charge Accuracy True Average ADCs I2C EEPROM Interface to Store Board Calibration Factors Threshold Registers for all Measured Quantities Engineered for ISO26262 Compliant Systems Open Wire Detection on Input Pins Available in 48-Lead LQFP Package AEC-Q100 Qualified for Automotive Applications

Push Button On/Off Controller with Voltage Monitoring Features: Wide Operating Voltage Range: 2.7V to 27V Push Button Control of System Power Low Supply Current: 14µA Power Fail Comparator Generates Warning UVLO Comparator Gracefully Latches Power Off Adjustable Supply Monitor with 200ms Reset Adjustable Power Down Timer Low Leakage EN Output (LTC2953-1) Allows DC/DC Converter Control High Voltage EN Output (LTC2953-2) Allows Circuit Breaker Control Simple Interface Allows Orderly System Power Up and Power Down ±1.5% Threshold Tolerances ±10kV ESD HBM on PB Input 12-Pin 3mm x 3mm DFN

Push Button On/Off Controller with P Interrupt Features: Adjustable Power On/Off Timers Low Supply Current: 6μA Wide Operating Voltage Range: 2.7V to 26.4V Low Leakage EN Output (LTC2954-1) Allows DC/DC Converter Control High Voltage EN Output (LTC2954-2) Allows Circuit Breaker Control Simple Interface Allows Graceful μP Shutdown High Input Voltage PB Pin with Internal Pull-Up Resistor ±10kV ESD HBM on PB Input Accurate 0.6V Threshold on KILL Comparator Input 8-Pin 3mm × 2mm DFN and ThinSOT™ Packages

Push Button On/Off Controller with P Interrupt Features: Adjustable Power On/Off Timers Low Supply Current: 6μA Wide Operating Voltage Range: 2.7V to 26.4V Low Leakage EN Output (LTC2954-1) Allows DC/DC Converter Control High Voltage EN Output (LTC2954-2) Allows Circuit Breaker Control Simple Interface Allows Graceful μP Shutdown High Input Voltage PB Pin with Internal Pull-Up Resistor ±10kV ESD HBM on PB Input Accurate 0.6V Threshold on KILL Comparator Input 8-Pin 3mm × 2mm DFN and ThinSOT™ Packages

Push Button On/Off Controller with P Interrupt Features: Adjustable Power On/Off Timers Low Supply Current: 6μA Wide Operating Voltage Range: 2.7V to 26.4V Low Leakage EN Output (LTC2954-1) Allows DC/DC Converter Control High Voltage EN Output (LTC2954-2) Allows Circuit Breaker Control Simple Interface Allows Graceful μP Shutdown High Input Voltage PB Pin with Internal Pull-Up Resistor ±10kV ESD HBM on PB Input Accurate 0.6V Threshold on KILL Comparator Input 8-Pin 3mm × 2mm DFN and ThinSOT™ Packages

Push Button On/Off Controller with P Interrupt Features: Adjustable Power On/Off Timers Low Supply Current: 6μA Wide Operating Voltage Range: 2.7V to 26.4V Low Leakage EN Output (LTC2954-1) Allows DC/DC Converter Control High Voltage EN Output (LTC2954-2) Allows Circuit Breaker Control Simple Interface Allows Graceful μP Shutdown High Input Voltage PB Pin with Internal Pull-Up Resistor ±10kV ESD HBM on PB Input Accurate 0.6V Threshold on KILL Comparator Input 8-Pin 3mm × 2mm DFN and ThinSOT™ Packages

Push Button On/Off Controller with P Interrupt Features: Adjustable Power On/Off Timers Low Supply Current: 6μA Wide Operating Voltage Range: 2.7V to 26.4V Low Leakage EN Output (LTC2954-1) Allows DC/DC Converter Control High Voltage EN Output (LTC2954-2) Allows Circuit Breaker Control Simple Interface Allows Graceful μP Shutdown High Input Voltage PB Pin with Internal Pull-Up Resistor ±10kV ESD HBM on PB Input Accurate 0.6V Threshold on KILL Comparator Input 8-Pin 3mm × 2mm DFN and ThinSOT™ Packages

Pushbutton On/Off Controller with Automatic Turn-On Features: Automatic Turn-On Via Voltage Monitor Input Wide Input Supply Range: 1.5V to 36V Low Supply Current: 1.2μA ±25kV ESD HBM on PB Input ±36V Wide Input Voltage for PB Input Low Leakage EN Output Allows DC/DC Converter Control (LTC2955-1) High Voltage EN Output Drives External P-Channel MOSFET (LTC2955-2) Simple Interface Allows Graceful μP Shutdown Adjustable Turn-Off Timer 10-Lead 3mm × 2mm DFN and 8-Lead ThinSOT™ Packages

Pushbutton On/Off Controller with Automatic Turn-On Features: Automatic Turn-On Via Voltage Monitor Input Wide Input Supply Range: 1.5V to 36V Low Supply Current: 1.2μA ±25kV ESD HBM on PB Input ±36V Wide Input Voltage for PB Input Low Leakage EN Output Allows DC/DC Converter Control (LTC2955-1) High Voltage EN Output Drives External P-Channel MOSFET (LTC2955-2) Simple Interface Allows Graceful μP Shutdown Adjustable Turn-Off Timer 10-Lead 3mm × 2mm DFN and 8-Lead ThinSOT™ Packages

Wake-Up Timer with Pushbutton Control Features: 1.5V to 36V Supply Input Range Adjustable Wake-Up Period: 250ms to 39 Days Adjustable Maximum Awake Time 0.8μA Quiescent Current 0.3μA Shutdown Current Pushbutton Input with Debouncing Low Leakage EN Output Allows DC/DC Converter Control (LTC2956-1) High Voltage EN Output Drives External P-Channel MOSFET (LTC2956-2) ±25kV ESD HBM on PB Input 12-Lead 3mm × 3mm QFN and MSOP Packages

Wake-Up Timer with Pushbutton Control Features: 1.5V to 36V Supply Input Range Adjustable Wake-Up Period: 250ms to 39 Days Adjustable Maximum Awake Time 0.8μA Quiescent Current 0.3μA Shutdown Current Pushbutton Input with Debouncing Low Leakage EN Output Allows DC/DC Converter Control (LTC2956-1) High Voltage EN Output Drives External P-Channel MOSFET (LTC2956-2) ±25kV ESD HBM on PB Input 12-Lead 3mm × 3mm QFN and MSOP Packages

Wake-Up Timer with Pushbutton Control Features: 1.5V to 36V Supply Input Range Adjustable Wake-Up Period: 250ms to 39 Days Adjustable Maximum Awake Time 0.8μA Quiescent Current 0.3μA Shutdown Current Pushbutton Input with Debouncing Low Leakage EN Output Allows DC/DC Converter Control (LTC2956-1) High Voltage EN Output Drives External P-Channel MOSFET (LTC2956-2) ±25kV ESD HBM on PB Input 12-Lead 3mm × 3mm QFN and MSOP Packages

Wake-Up Timer with Pushbutton Control Features: 1.5V to 36V Supply Input Range Adjustable Wake-Up Period: 250ms to 39 Days Adjustable Maximum Awake Time 0.8μA Quiescent Current 0.3μA Shutdown Current Pushbutton Input with Debouncing Low Leakage EN Output Allows DC/DC Converter Control (LTC2956-1) High Voltage EN Output Drives External P-Channel MOSFET (LTC2956-2) ±25kV ESD HBM on PB Input 12-Lead 3mm × 3mm QFN and MSOP Packages

36V Nano-Current Two-Input Voltage Monitor Features: 850nA Quiescent Current Operating Range: 2.5V < VCC < 36V 1.5% (Max) Accuracy Over Temperature Adjustable Reset Threshold Wide Temperature Range (–40°C to 125°C) Adjustable IN+/IN– Threshold Manual Reset Input Compact 2mm × 2mm 8-lead DFN and TSOT-23 (ThinSOT™) Packages

36V Nano-Current Two-Input Voltage Monitor Features: 850nA Quiescent Current Operating Range: 2.5V < VCC < 36V 1.5% (Max) Accuracy Over Temperature Adjustable Reset Threshold Wide Temperature Range (–40°C to 125°C) Adjustable IN+/IN– Threshold Manual Reset Input Compact 2mm × 2mm 8-lead DFN and TSOT-23 (ThinSOT™) Packages

36V Nano-Current Two-Input Voltage Monitor Features: 850nA Quiescent Current Operating Range: 2.5V < VCC < 36V 1.5% (Max) Accuracy Over Temperature Adjustable Reset Threshold Wide Temperature Range (–40°C to 125°C) Adjustable IN+/IN– Threshold Manual Reset Input Compact 2mm × 2mm 8-lead DFN and TSOT-23 (ThinSOT™) Packages