Datasheet LTC4162-F (Analog Devices) - 7

LTC4162-F
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Input Current and Charge Current Resistive Source Input Voltage and Charge Current vs Battery Voltage vs Load Current Charge Current vs Load Current
3.6 3.6 3.6 20 CHARGE 3.2 3.2 CHARGE 3.2 18 CURRENT CURRENT 2.8 2.8 2.8 16 2.4 2.4 14 INPUT VOL 2.4 2.0 INPUT 2.0 12 2.0 CURRENT 1.6 1.6 10 T 1.6 INPUT AGE (V) 1.2 CURRENT (A) 1.2 VOLTAGE 8 1.2 CHARGE CURRENT (A) 0.8 0.8 CHARGE CURRENT (A) 6 0.8 0.4 0.4 4 V SOURCE IMPEDANCE = 5Ω 0.4 V IN = 18V IN  = 12V 0.0 V 0.0 input_undervoltage_setting = 7V 2 CELL COUNT = 2 BAT = 3.7V iin_limit_target = 1.2A cell_count = 1 0.0 −0.4 −0.4 0 4.8 5.4 6.0 6.6 7.2 7.8 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 BATTERY VOLTAGE (V) LOAD CURRENT (A) LOAD CURRENT (A) 4162F G01 4162F G02 4162F G03
No Input Battery Drain Current vs Ship Mode Battery Drain Current VOUT vs VIN Power Path Controller Battery Voltage vs Battery Voltage
12.3 100 4 125°C 125°C VOUT 80 25°C 12.2 3 60 25°C –50°C 12.1 –50°C 2   VOLTAGE (V) 40 OUTV Y DRAIN CURRENT (µA) Y DRAIN CURRENT (µA) 12.0 TTER 1 TTER 20 V BA BA BAT I V N VIN  = 0V 11.9 0 0 −0.05 0.00 0.05 0.10 0.15 0.20 0 5 10 15 20 25 30 35 2.5 9.0 15.5 22.0 28.5 35.0 VIN − VBAT  VOLTAGE (V) BATTERY VOLTAGE (V) BATTERY VOLTAGE (V) 4162F G04 4162F G05 4162F G06
Top and Bottom Switch RDS(ON) Efficiency vs Input Voltage Efficiency vs Switching Frequency
170 100 95 C I HARGE  = 2.5A B V AT =6.6V C I HARGE  = 2.5A 150 95 cell_count = 2 125°C 90 130 90 ANCE (mΩ) 75°C 110 85 25°C 85 90 EFFICIENCY (%) 1 CELL EFFICIENCY (%) 2 CELLS SWITCH RESIST 80 V 80 3 CELLS IN = 12V 70 −50°C 4 CELLS 7 CELLS VIN = 18V 5 CELLS 8 CELLS VIN = 24V VIN = 30V 50 75 6 CELLS 9 CELLS 75 0.2 0.7 1.2 1.7 2.2 2.7 3.2 5 10 15 20 25 30 35 1.0 1.5 2.0 2.5 3.0 3.5 4.0 SWITCH PIN CURRENT (A) INPUT VOLTAGE (V) SWITCHING FREQUENCY (MHz) 4162F G07 4162F G08 4162F G09 Rev A For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram ESD Diagram Timing Diagram Operation Applications Information Register Descriptions Typical Applications Package Description Revision History Typical Application Related Parts