Constant-Current/Constant-Voltage Battery Charger with Preset Voltage and Termination Flag Features: Fast Charging of Li-Ion, NiMH and NiCd Batteries Simple Charge Current Programming Requires Only One Low Cost, 1/32W Resistor High Efficiency Charger with Up to 1.5A Charge Current Precision 0.6% Internal Voltage Reference Preset Battery Voltages: 4.1V, 4.2V, 8.2V, 8.4V 500kHz or 200kHz Switching Frequency Minimizes Charger Size Low Reverse Battery Drain Current: 5µA Flag Indicates Li-Ion Charge Completion 5% Typical Charge Current Accuracy Low Shutdown Current LT1571-1: 200kHz, Adjustable Voltage LT1571-2: 200kHz, Fixed 8.2V or 8.4V LT1571-5: 500kHz, Fixed 4.1V or 4.2V

9V Battery Snaps & Contacts 9V PC Battery SNAP CONNECTOR

Battery Management

Battery Battery Protection IC Lithium Ion SOT-23-6

Electronic Battery

12 Channel Multicell Battery Monitor Features: Measures up to 12 battery cells in series Maximum lifetime total measurement error: 1.5 mV Stackable architecture for high voltage battery packs Built-in isoSPI interface 2 Mb isolated serial communications Uses a single twisted pair, up to 20 meters Low EMI susceptibility and emissions Bidirectional for broken wire protection Capacitor or transformer coupled ADBMS6815WFS models designed for use in ISO 26262 applications for Automotive Safety Integrity Level Capability D (ASIL D) ADBMS6815M includes LPCM for Cell & Temperature Monitoring in Key-off State Hot plug tolerant without external protection Diagnostics for IC and application circuit failure modes 304 μs to measure all cells in a system 16-bit ADC with programmable noise filter Passive cell balancing up to 300 mA per channel with programmable PWM 7 GPIO or analog inputs Temperature or other sensor inputs Configurable as an I2C or SPI master Sleep state supply current: 5.5 μA 48-lead LQFP package with exposed pad AEC-Q100 qualified for automotive applications

2.5A Monolithic Active Cell Balancer with Telemetry Interface Features: 2.5A Typical Average Cell Discharge Current Integrated 6A, 50V Power Switch Integrates Seamlessly with LTC680x Family: No Additional Software Required Selectable Current and Temperature Monitors Ultralow Quiescent Current in Shutdown Engineered for ISO 26262 Compliant Systems Isolated Balancing: Can Return Charge to Top of Stack Can Return Charge to Any Combination of Cells in Stack Can Return Charge to 12V Battery for Alternator Replacement Can Be Paralleled for Greater Discharge Capability All Quiescent Current in Operation Taken from Local Cell 16-Lead TSSOP Package

BATTERY CHARGERS ROHS COMPLIANT: YES

BATTERY FUEL GAUGES ROHS COMPLIANT: YES

BATTERY CHARGERS ROHS COMPLIANT: YES