Datasheet LTC4010 (Analog Devices) - 5

LTC4010 Typical perForMance characTerisTics
Battery Present Threshold Minimum Fast Charge Threshold NiMH Charge Cycle at 0.5C Voltage (per Cell) Voltage (per Cell)
1.60 45 370 950 4 SERIES NiMH 2100mAhr AA CELLS CHARGED AT 0.5C 940 1.55 40 BA SINGLE CELL 360 930 TTER VOLTAGE 920 1.50 35 Y TEMPEA TAGE (V) 350 910 1.45 30 900 BATTERY TURE (°C) TEMPERATURE 340 890 1.40 1A 25 VOLTAGE (mV) VOLTAGE (mV) 880 CHARGE CURRENT SINGLE CELL VOL 330 870 1.45 0.5A 20 TOP OFF 860 1.30 15 320 850 0 20 40 60 80 100 120 140 160 180 200 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TIME (MINUTES) TEMPERATURE (°C) TEMPERATURE (°C) 4010 G03 4010 G04 4010 G05
Automatic Recharge Threshold Battery Overvoltage Threshold –
∆
V Termination Voltage Voltage (per Cell) Voltage (per Cell) (per Cell)
1.375 2.05 0 2.03 1.355 2.01 –5 1.99 1.335 1.97 –10 NiMH 1.95 VOLTAGE (V) 1.315 VOLTAGE (V) 1.93 –15 VOLTAGE (mV) 1.91 1.295 1.89 –20 NiCd 1.87 1.275 1.85 –25 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4010 G06 4010 G07 4010 G08
Programmable Timer Accuracy Charge Current Accuracy PWM Switching Frequency
20 5 1000 RTIMER = 49.9k 15 BAT = 4.8V 3 10 TOP-OFF CHARGE p30s) 5 1 0 FAST CHARGE 100 –5 –1 PRECHARGE FREQUENCY (kHz) CURRENT ERROR(%) MINIMUM (LOW DROPOUT) TIMING ERROR (%, –10 –3 –15 VCC = 12V –20 –5 10 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4010 G09 4010 G10 4010 G11 4010fb Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Related Parts