Datasheet

LTC1960
7
1960fb
VDAC VALUE
250 450
OUTPUT VOLTAGE ERROR (mV)
650 1050850
1250
1450
1960 G10
100
75
50
25
0
–25
–50
–75
–100
DCIN = 24V
T
A
= 25°C
I
LOAD
= 100mA
TIME (MINUTES)
BATTERY CURRENT (mA)
3500
3000
2500
2000
1500
1000
500
0
3500
3000
2500
2000
1500
1000
500
0
1960 G11
0
50
100 150 200 250 300
BAT1
CURRENT
BAT2
CURRENT
SEQUENTIAL
DUAL
BAT1
CURRENT
100
MINUTES
BATTERY TYPE: 10.8V Li-Ion (MOLTECH NI2020)
REQUESTED CURRENT = 3A
REQUESTED VOLTAGE = 12.3V
MAX CHARGER CURRENT = 4.1A
BAT2
CURRENT
BAT2
VOLTAGE
BAT2
CURRENT
BAT1
CURRENT
BAT1
VOLTAGE
BAT1 INITIAL CAPACITY = 0%
BAT2 INITIAL CAPACITY = 90%
PROGRAMMED CHARGER CURRENT = 3A
PROGRAMMED CHARGER VOLTAGE = 16.8V
TIME (MINUTES)
0
BATTERY VOLTAGE (V)
120
1960 G12
40 80 160
17.0
16.5
16.0
15.5
15.0
14.5
14.0
13.5
20 60 100 140
BATTERY CURRENT (mA)
3500
3000
2500
2000
1500
1000
500
0
TIME (MINUTES)
0
BATTERY VOLTAGE (V)
120
12.0
11.0
10.0
9.0
8.0
12.0
11.0
10.0
9.0
8.0
1960 G13
20 180
40
60 80 100 140
160
BAT1
VOLTAGE
BAT1
VOLTAGE
DUAL
SEQUENTIAL
BAT2
VOLTAGE
BAT2
VOLTAGE
BATTERY TYPE: 10.8V Li-Ion(MOLTECH NI2020)
LOAD CURRENT = 3A
11
MINUTES
TIME (MINUTES)
0
120
20
40
60 80 100 140
BATTERY VOLTAGE (V)
15
14
13
12
11
10
15
14
13
12
11
10
1960 G14
BAT2
VOLTAGE
BAT2
VOLTAGE
BAT1
VOLTAGE
BAT1
VOLTAGE
BATTERY TYPE: 12V NIMH (MOLTECH NJ1020)
LOAD: 33W
16
MINUTES
DUAL
SEQUENTIAL
TYPICAL PERFORMANCE CHARACTERISTICS
Dual vs Sequential Discharge Dual vs Sequential Discharge
Voltage Accuracy Dual vs Sequential Charging
Dual Charging Batteries with
Different Charge State