Lead Acid Battery Balancer Features: Single IC Balances Up to Four 12V Lead-Acid Batteries in Series All NFET Design Stackable to Balance Larger Series Battery Packs Standalone Balancing Operation: Requires No External μP or Additional Control Circuitry Balancing Current Limited by External PTC Thermistor Continuous Mode and Timer Mode Programmable UV and OV Fault Thresholds Programmable Termination Time and Termination Voltage Thermally Enhanced 38-Lead TSSOP Package Click here to read "Life Extension Through Charge Equalization of Lead-Acid Batteries" on IEEE Xplore

Dual Input USB/AC Adapter Li-Ion Battery Charger with 600mA Buck Converter Features: Charges Single-Cell Li-Ion Battery from Wall Adapter and USB Inputs Automatic Input Power Detection and Selection Charge Current Programmable Up to 950mA from Wall Adapter Input Adjustable Output, High Efciency 600mA Synchronous DC/DC Converter No External MOSFET, Sense Resistor or Blocking Diode Needed Thermal Regulation Maximizes Charge Rate Without Risk of Overheating* Preset Charge Voltage with ±0.6% Accuracy Programmable Charge Current Termination 1.5MHz Constant Frequency Operation (Step-Down Converter) 18μA USB Suspend Current in Shutdown “Power Present” Status Output Charge Status Output Automatic Recharge Available in a Thermally Enhanced, Low Prole (0.75mm) 16-Lead (5mm × 3mm) DFN Package

Linear USB Battery Charger with Buck and Buck-Boost Regulators Features: Battery Charger Standalone USB Charger Up to 950mA Charge Current Programmable via Single Resistor HPWR Input Selects 20% or 100% of Programmed Charge Current NTC Input for Temperature Qualied Charging Internal Timer Termination Bad Battery Detection Switching Regulators (Buck and Buck-Boost) Up to 400mA Output Current per Regulator 2.25MHz Constant-Frequency Operation Power Saving Burst Mode® Operation Low Prole, 20-Lead, 3mm × 3mm QFN Package

Battery Gas Gauge with I2C Interface Features: Indicates Accumulated Battery Charge and Discharge High Accuracy Analog Integration High Side Sense 1% Charge Accuracy ±50mV Sense Voltage Range SMBus/I2C Interface Configurable Alert Output/Charge Complete Input 2.7V to 5.5V Operating Range Quiescent Current Less Than 100µA Small 6-Pin 2mm × 3mm DFN and 8-Lead MSOP Packages

Battery Gas Gauge with I2C Interface Features: Indicates Accumulated Battery Charge and Discharge High Accuracy Analog Integration High Side Sense 1% Charge Accuracy ±50mV Sense Voltage Range SMBus/I2C Interface Configurable Alert Output/Charge Complete Input 2.7V to 5.5V Operating Range Quiescent Current Less Than 100µA Small 6-Pin 2mm × 3mm DFN and 8-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

Li-Ion Battery Charger Termination Controllers Features: Built-In Termination: 3-Hour Time-Out C/10 Detection with Status Indicator Trickle Charge Preconditioning If Cell <2.7V Charging Enabled When 0°C < T < 50°C Automatic Charger Present Detection Automatic Battery Present Detection 1- or 2-Cell, 4.1V/Cell or 4.2V/Cell Options Precision Internal 0.2% Voltage Feedback Divider Compatible with LT1505/LT1510/LT1511/LT1512/LT1513/LT1769 Small Footprint/Low Profile

Dual Battery Charger/ Selector with SPI Interface Features: Complete Dual-Battery Charger/Selector System Serial SPI Interface Allows External µC Control and Monitoring Simultaneous Dual-Battery Discharge Extends Run Time by Typically 10% Simultaneous Dual-Battery Charging Reduces Charging Time by Up to 50% Automatic PowerPath™ Switching in <10µs Prevents Power Interruption Circuit Breaker Protects Against Overcurrent Faults 5% Accurate Adapter Current Limit Maximizes Charging Rate 95% Efficient Synchronous Buck Charger Charger Has Low 0.5V Dropout Voltage No Audible Noise Generation, Even with Ceramic Capacitors 11-Bit VDAC Delivers 0.8% Voltage Accuracy 10-Bit IDAC Delivers 5% Current Accuracy VIN Up to 32V; VBATT Up to 28V Available in 5mm × 7mm 38-Pin QFN and 36-Pin Narrow SSOP Packages

Dual Battery Charger/ Selector with SPI Interface Features: Complete Dual-Battery Charger/Selector System Serial SPI Interface Allows External µC Control and Monitoring Simultaneous Dual-Battery Discharge Extends Run Time by Typically 10% Simultaneous Dual-Battery Charging Reduces Charging Time by Up to 50% Automatic PowerPath™ Switching in <10µs Prevents Power Interruption Circuit Breaker Protects Against Overcurrent Faults 5% Accurate Adapter Current Limit Maximizes Charging Rate 95% Efficient Synchronous Buck Charger Charger Has Low 0.5V Dropout Voltage No Audible Noise Generation, Even with Ceramic Capacitors 11-Bit VDAC Delivers 0.8% Voltage Accuracy 10-Bit IDAC Delivers 5% Current Accuracy VIN Up to 32V; VBATT Up to 28V Available in 5mm × 7mm 38-Pin QFN and 36-Pin Narrow SSOP Packages