Datasheet LTC3337 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Primary Battery SOH Monitor with Precision Coulomb Counter |
| Seiten / Seite | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, BAT_IN = BAT_OUT = AVCC = … |
| Dateiformat / Größe | PDF / 1.4 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, BAT_IN = BAT_OUT = AVCC = DVCC =. 3.6V, 100mA IPEAK unless otherwise noted
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LTC3337
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, BAT_IN = BAT_OUT = AVCC = DVCC = 3.6V, 100mA IPEAK unless otherwise noted. AVCC Quiescent Current, Supercapacitor Balancer Supercapacitor Balancer Source/ Current Source is Off Current Source is OFF Quiescent Current Sink Current Source/Sink Current
1200 80 40 AV BAT_OUT = 2.5V CC = 1.8V 1100 35 AVCC = 2.5V BAT_OUT = 3.6V 1000 75 AVCC = 3.6V 30 BAT_OUT = 5.0V 900 AVCC = 4.5V 70 25 AVCC = 5.5V 800 20 700 65 15 600 60 10 500 5 400 55 QUIESCENT CURRENT (nA) 0 300 CC 50 –5 AV 200 T_OUT QUIESCENT CURRENT (nA) BAT_OUT = 2.5V –10 100 BA 45 BAT_OUT = 3.6V –15 0 BAT_OUT = 5.0V BALANCER SOURCE/SINK CURRENT (mA) –50 –25 0 25 50 75 100 125 40 –20 TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 0 10 20 30 40 50 60 70 80 90 100 3337 G01 TEMPERATURE (°C) VBAL/VBAT_OUT (%) 3337 G02 3337 G03
Supercapacitor Balancer Supercapacitor Balancer IPEAK Current vs Temperature Source Current Source Current Sink Current Sink Current (100mA IPEAK (100mA I Setting) PEAK Setting)
20 0 105 BAT_OUT = 2.5V VBAL/VBAT_OUT = 52% PROPORTIONAL FOR OTHER I 18 PEAK SETTINGS BAT_OUT = 3.6V 103 BAT_OUT = 5.0V 16 –5 101 14 99 12 –10 97 VBAL/VBAT_OUT = 48% 10 95 8 –15 CURRENT (mA) 93 6 I PEAK 91 4 –20 BAT_IN = 2.0V BALANCER SINK CURRENT (mA) BAT_OUT = 2.5V 89 BAT_IN = 2.5V BALANCER SOURCE CURRENT (mA) 2 BAT_OUT = 3.6V 87 BAT_IN = 3.6V BAT_OUT = 5.0V BAT_IN = 5.5V 0 –25 85 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3337 G04 3337 G05 3337 G06
Coulomb Counter Error in Continuous Mode Total Coulomb Counter Error Total Coulomb Counter Error (100mA IPEAK Setting) (5mA I PEAK PEAK Setting) (10mA I PEAK PEAK Setting) PEAK
5 5 5 C 4 OUT = 100µF 4 4 3 3 3 2 2 2 1 1 1 BAT_IN = 3.6V, COUT = 100µF 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 BAT_IN = 2.0V –3 BAT_IN = 2.5V –3 BAT_IN = 2.0V –3 –4 BAT_IN = 3.6V –4 BAT_IN = 3.6V –4 BAT_IN = 5.5V BAT_IN = 5.5V –5 –5 –5 –50 –25 0 25 50 75 100 125 0.0005 0.005 0.05 0.5 5 0.001 0.01 0.1 1 10 TEMPERATURE (°C) BAT_OUT LOAD CURRENT (mA) BAT_OUT LOAD CURRENT (mA) 3337 G07 3337 G08 3337 G09 Rev. 0 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Timing Diagram Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Applications Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, BAT_IN = BAT_OUT = AVCC = DVCC = 3.6V, 100mA IPEAK unless otherwise noted. AVCC Quiescent Current, Supercapacitor Balancer Supercapacitor Balancer Source/ Current Source is Off Current Source is OFF Quiescent Current Sink Current Source/Sink Current
1200 80 40 AV BAT_OUT = 2.5V CC = 1.8V 1100 35 AVCC = 2.5V BAT_OUT = 3.6V 1000 75 AVCC = 3.6V 30 BAT_OUT = 5.0V 900 AVCC = 4.5V 70 25 AVCC = 5.5V 800 20 700 65 15 600 60 10 500 5 400 55 QUIESCENT CURRENT (nA) 0 300 CC 50 –5 AV 200 T_OUT QUIESCENT CURRENT (nA) BAT_OUT = 2.5V –10 100 BA 45 BAT_OUT = 3.6V –15 0 BAT_OUT = 5.0V BALANCER SOURCE/SINK CURRENT (mA) –50 –25 0 25 50 75 100 125 40 –20 TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 0 10 20 30 40 50 60 70 80 90 100 3337 G01 TEMPERATURE (°C) VBAL/VBAT_OUT (%) 3337 G02 3337 G03
Supercapacitor Balancer Supercapacitor Balancer IPEAK Current vs Temperature Source Current Source Current Sink Current Sink Current (100mA IPEAK (100mA I Setting) PEAK Setting)
20 0 105 BAT_OUT = 2.5V VBAL/VBAT_OUT = 52% PROPORTIONAL FOR OTHER I 18 PEAK SETTINGS BAT_OUT = 3.6V 103 BAT_OUT = 5.0V 16 –5 101 14 99 12 –10 97 VBAL/VBAT_OUT = 48% 10 95 8 –15 CURRENT (mA) 93 6 I PEAK 91 4 –20 BAT_IN = 2.0V BALANCER SINK CURRENT (mA) BAT_OUT = 2.5V 89 BAT_IN = 2.5V BALANCER SOURCE CURRENT (mA) 2 BAT_OUT = 3.6V 87 BAT_IN = 3.6V BAT_OUT = 5.0V BAT_IN = 5.5V 0 –25 85 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3337 G04 3337 G05 3337 G06
Coulomb Counter Error in Continuous Mode Total Coulomb Counter Error Total Coulomb Counter Error (100mA IPEAK Setting) (5mA I PEAK PEAK Setting) (10mA I PEAK PEAK Setting) PEAK
5 5 5 C 4 OUT = 100µF 4 4 3 3 3 2 2 2 1 1 1 BAT_IN = 3.6V, COUT = 100µF 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 BAT_IN = 2.0V –3 BAT_IN = 2.5V –3 BAT_IN = 2.0V –3 –4 BAT_IN = 3.6V –4 BAT_IN = 3.6V –4 BAT_IN = 5.5V BAT_IN = 5.5V –5 –5 –5 –50 –25 0 25 50 75 100 125 0.0005 0.005 0.05 0.5 5 0.001 0.01 0.1 1 10 TEMPERATURE (°C) BAT_OUT LOAD CURRENT (mA) BAT_OUT LOAD CURRENT (mA) 3337 G07 3337 G08 3337 G09 Rev. 0 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Timing Diagram Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Applications Related Parts