Battery Management 32Vin, 14.4Vout, 2A uModule Power Tracking Battery Charger

Coin Cell Battery 3V 23 X 2.0 MM 120mA

Addressable High Efficiency Bidirectional Multicell Battery Balancer Features: Bidirectional Synchronous Flyback Balancing of Up to 6 Li-Ion or LiFePO4 Cells in Series Up to 10A Balancing Current (Set by Externals) Integrates Seamlessly with the LTC680x Family of Multicell Battery Stack Monitors Bidirectional Architecture Minimizes Balancing Time and Power Dissipation Up to 92% Charge Transfer Efficiency Stackable Architecture Enables >800V Systems Uses Simple 2-Winding Transformers 1MHz Serial Interface with 4-Bit CRC Packet Error Checking Individually Addressable with 5-Bit Address Numerous Fault Protection Features 48-Lead Exposed Pad QFN and LQFP Packages AEC-Q100 Qualified for Automotive Application

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

Primary Battery SOH Monitor with Precision Coulomb Counter Features: Battery Input Voltage Range: 1.8V to 5.5V 100nA Quiescent Current 8 Primary Battery Peak Input Current Limits: 5mA/10mA/15mA/20mA/25mA/50mA/75mA/100mA SOH Monitor for Primary Battery Integrated Coulomb Counter (Q) Additional Monitors for Battery Voltage (V), Battery Impedance (Z), and Temperature (T) Primary Battery Current (BAT_IN) or Load Current (BAT_OUT) is Counted Integrated ±10mA Supercapacitor Balancer Programmable Coulomb Counter Prescaler for Wide Range of Battery Sizes Programmable Discharge Alarm Threshold with Interrupt Output I2C Interface Tiny 12-Lead 2mm × 2mm LFCSP and 16-Ball 1.64mm × 1.64mm WLCSP Packages

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

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

Lithium-Ion Battery Pulse Chargers with Overcurrent Protection Features: Complete Pulse Charger for 1-Cell Lithium-Ion Batteries Sense Resistor Limits Maximum Current for Safety 1% Float Voltage Accuracy End-of-Charge (C/10) Detection Output Programmable Charge Termination Timer Internal 0.35 NMOS Switch No Blocking Diode Required SEL Pin to Set Either 4.1V or 4.2V/Cell (LTC1730-4) Low-Battery Drain (1µA Max) when Input Supply Is Removed Battery Temperature Sensing and Charge Qualification Automatic Trickle Charge for Low-Battery Cell Automatic Battery Refresh

Dual Smart Battery System Manager Features: SMBus Charger/Selector for Two Smart Batteries* Voltage and Current Accuracy within 0.2% of Value Reported by Battery Simplifies Construction of “Smart Battery System Manager” Includes All SMBus Charger V1.1 Safety Features Supports Autonomous Operation without a Host Allows Both Batteries to Discharge Simultaneously into Single Load with Low Loss (Ideal Diode) SMBus Switching for Dual Batteries with Alarm Monitoring for Charging Battery at All Times Pin Programmable Limits for Maximum Charge Current and Voltage Improve Safety Fast Autonomous Power Path™ Switching (<10µs) Low Loss Simultaneous Charging of Two Batteries >95% Efficient Synchronous Buck Charger AC Adapter Current Limiting* Maximizes Charge Rate SMBus Accelerator Improves SMBus Timing** Available in 48-Lead TSSOP Package

Dual Smart Battery System Manager Features: SMBus Charger/Selector for Two Smart Batteries* Voltage and Current Accuracy within 0.2% of Value Reported by Battery Simplifies Construction of “Smart Battery System Manager” Includes All SMBus Charger V1.1 Safety Features Supports Autonomous Operation without a Host Allows Both Batteries to Discharge Simultaneously into Single Load with Low Loss (Ideal Diode) SMBus Switching for Dual Batteries with Alarm Monitoring for Charging Battery at All Times Pin Programmable Limits for Maximum Charge Current and Voltage Improve Safety Fast Autonomous Power Path™ Switching (<10µs) Low Loss Simultaneous Charging of Two Batteries >95% Efficient Synchronous Buck Charger AC Adapter Current Limiting* Maximizes Charge Rate SMBus Accelerator Improves SMBus Timing** Available in 48-Lead TSSOP Package