Datasheet LTC4124 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 100mA Wireless Li-Ion Charger with Low Battery Disconnect |
| 页数 / 页 | 30 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 1.9 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VCC Supply Quiescent Current vs
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LTC4124
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VCC Supply Quiescent Current vs Battery Charge Current vs Temperature Battery Charge Voltage
180 100 160 90 140 80 70 120 60 100 (µA) 50 CCIV 80 40 60 Y CHARGE CURRENT 30 40 TTER 20 BA 20 VIN = 5.5V, VBAT = 4.5V 10 VIN = 2.7V, VBAT = 2.7V 0 (% OF PROGRAMMED CHARGE CURRENT) 0 –20 –5 10 25 40 55 70 85 50 60 70 80 90 100 110 TEMPERATURE (°C) BATTERY VOLTAGE 4124 G01 (% OF FINAL CHARGE VOLTAGE) 4124 G02
Battery Charge Voltage vs Normalized Battery Charge Temperature Current vs Temperature
100.20 102.5 10.25 VCC = 4.5V TO 5.5V 100.15 102.0 10.20 % OF NOMINAL PROGRAMMED 101.5 BA 10.15 100.10 TTER TAGE 101.0 10.10 Y CHARGE CURRENT 100.05 100.5 10.05 100.00 100.0 10.00 99.95 Y CHARGE CURRENT 99.5 9.95 99.0 9.90 FINAL CHARGE VOL 99.90 TTER BA % OF NOMINAL PROGRAMMED % OF NOMINAL PROGRAMMED 98.5 9.85 99.85 98.0 VCC = 5V, VBAT = 3.7V 9.80 VCC = 5V, VBAT = 2.7V 99.80 97.5 9.75 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 TEMPERATURE (°C) TEMPERATURE (°C) 4124 G03 4124 G04
Undervoltage Current Limit: Disconnect Battery Leakage VCC HIGH and LOW Limits above Charge Current vs VCC Voltage Current vs Temperature VBAT vs Temperature
) 100 50 V 1.5 CC > VBAT-TRKL 90 VCC ≤ VBAT-TRKL, 40 1.4 VPRECHG = VCC 80 30 1.2 70 20 1.1 60 10 (V) 0.9 50 0 BAT 0.8 – V 40 –10 0.6 V CC 30 CHARGE CURRENT –20 0.5 20 –30 0.3 Y LEAKAGE CURRENT IN DISCONNECT (nA 10 –40 VLBSEL = VCC/GND, 0.2 ∆VCC(HIGH) V ∆V (% OF PROGRAMMED CHARGE CURRENT) TTER BAT = 3.2V/2.7V CC(LOW) 0 BA –50 0 3.40 3.45 3.50 3.55 3.60 3.65 3.70 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 VCC VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 4124 G05 4124 G06 4124 G07 Rev. A For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VCC Supply Quiescent Current vs Battery Charge Current vs Temperature Battery Charge Voltage
180 100 160 90 140 80 70 120 60 100 (µA) 50 CCIV 80 40 60 Y CHARGE CURRENT 30 40 TTER 20 BA 20 VIN = 5.5V, VBAT = 4.5V 10 VIN = 2.7V, VBAT = 2.7V 0 (% OF PROGRAMMED CHARGE CURRENT) 0 –20 –5 10 25 40 55 70 85 50 60 70 80 90 100 110 TEMPERATURE (°C) BATTERY VOLTAGE 4124 G01 (% OF FINAL CHARGE VOLTAGE) 4124 G02
Battery Charge Voltage vs Normalized Battery Charge Temperature Current vs Temperature
100.20 102.5 10.25 VCC = 4.5V TO 5.5V 100.15 102.0 10.20 % OF NOMINAL PROGRAMMED 101.5 BA 10.15 100.10 TTER TAGE 101.0 10.10 Y CHARGE CURRENT 100.05 100.5 10.05 100.00 100.0 10.00 99.95 Y CHARGE CURRENT 99.5 9.95 99.0 9.90 FINAL CHARGE VOL 99.90 TTER BA % OF NOMINAL PROGRAMMED % OF NOMINAL PROGRAMMED 98.5 9.85 99.85 98.0 VCC = 5V, VBAT = 3.7V 9.80 VCC = 5V, VBAT = 2.7V 99.80 97.5 9.75 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 TEMPERATURE (°C) TEMPERATURE (°C) 4124 G03 4124 G04
Undervoltage Current Limit: Disconnect Battery Leakage VCC HIGH and LOW Limits above Charge Current vs VCC Voltage Current vs Temperature VBAT vs Temperature
) 100 50 V 1.5 CC > VBAT-TRKL 90 VCC ≤ VBAT-TRKL, 40 1.4 VPRECHG = VCC 80 30 1.2 70 20 1.1 60 10 (V) 0.9 50 0 BAT 0.8 – V 40 –10 0.6 V CC 30 CHARGE CURRENT –20 0.5 20 –30 0.3 Y LEAKAGE CURRENT IN DISCONNECT (nA 10 –40 VLBSEL = VCC/GND, 0.2 ∆VCC(HIGH) V ∆V (% OF PROGRAMMED CHARGE CURRENT) TTER BAT = 3.2V/2.7V CC(LOW) 0 BA –50 0 3.40 3.45 3.50 3.55 3.60 3.65 3.70 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 VCC VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 4124 G05 4124 G06 4124 G07 Rev. A For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts