Battery Protection IC with Cell Balance Function for 1-Cell Lithium-Ion/Lithium-Polymer 8-Pin TSSOP T/R

LITHIUM BATTERY 3.6V AA; Battery Voltage:3.6V; Battery Size Code:AA; Battery Technology:Lithium; Battery Capacity:2.1Ah; Battery Terminals:Raised Positive and Flat Negative; External Diameter:14.5mm; External Height:50.5mm ;RoHS Compliant: NA

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

Constant-Voltage/Constant-Current Battery Charger Features: Charges NiCd, NiMH and Lithium-Ion Batteries - Only One 1/10W Resistor Is Needed to Program Charging Current High Efficiency Current Mode PWM with 1.5A Internal Switch and Sense Resistor 3% Typical Charging Current Accuracy Precision 0.5% Voltage Reference for Voltage Mode Charging or Overvoltage Protection Current Sensing Can Be at Either Terminal of the Battery Low Reverse Battery Drain Current: 3µA Charging Current Soft Start Shutdown Control 500kHz Version Uses Small Inductor

Constant-Voltage/Constant-Current Battery Charger Features: Charges NiCd, NiMH and Lithium-Ion Batteries - Only One 1/10W Resistor Is Needed to Program Charging Current High Efficiency Current Mode PWM with 1.5A Internal Switch and Sense Resistor 3% Typical Charging Current Accuracy Precision 0.5% Voltage Reference for Voltage Mode Charging or Overvoltage Protection Current Sensing Can Be at Either Terminal of the Battery Low Reverse Battery Drain Current: 3µA Charging Current Soft Start Shutdown Control 500kHz Version Uses Small Inductor

Constant-Voltage/Constant-Current Battery Charger Features: Charges NiCd, NiMH and Lithium-Ion Batteries - Only One 1/10W Resistor Is Needed to Program Charging Current High Efficiency Current Mode PWM with 1.5A Internal Switch and Sense Resistor 3% Typical Charging Current Accuracy Precision 0.5% Voltage Reference for Voltage Mode Charging or Overvoltage Protection Current Sensing Can Be at Either Terminal of the Battery Low Reverse Battery Drain Current: 3µA Charging Current Soft Start Shutdown Control 500kHz Version Uses Small Inductor

Power Tracking 2A Battery Charger Features: Input Supply Voltage Regulation Loop for Peak Power Tracking in (MPPT) Solar Applications Wide Input Voltage Range: 4.95V to 34V (40V Abs Max) Programmable Charge Rate Up to 2A User Selectable Termination: C/10 or On-Board Termination Timer Resistor Programmable Float Voltage Up to 18V Accommodates 4-Cell Li-Ion/Polymer, 5-Cell LiFePO4, Lead-Acid Chemistries Parallelable for Higher Output Current 1MHz Fixed Frequency 0.5% Float Voltage Reference Accuracy 5% Charge Current Accuracy 2.5% C/10 Detection Accuracy Binary-Coded Open-Collector Status Pins Thermally Enhanced 3mm × 3mm DFN and MSE Packages

Power Tracking 2A Battery Charger for Solar Power Features: Input Supply Voltage Regulation Loop for Peak Power Tracking in (MPPT) Solar Applications Wide Input Voltage Range: 4.95V to 32V (40V Abs Max) Programmable Charge Rate Up to 2A User Selectable Termination: C/10 or On-Board Termination Timer Resistor Programmable Float Voltage Up to 14.4V Accommodates Li-Ion/Polymer, LiFePO4, SLA Chemistries No VIN Blocking Diode Required for Battery Voltages ≤ 4.2V 1MHz Fixed Frequency 0.5% Float Voltage Reference Accuracy 5% Charge Current Accuracy 2.5% C/10 Detection Accuracy Binary-Coded Open-Collector Status Pins Thermally Enhanced 12-Lead 3mm × 3mm DFN and MSE Packages

Battery Management

Battery Holder RoHS Compliant: Yes