MAX8900A MAXIM [Maxim Integrated Products], MAX8900A Datasheet - Page 5

• Manufacturer Part Number: MAX8900A
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
noted. Typical values are at T
Rating and JEITA Battery Temperature Monitoring
Minimum On-Time
Maximum On-Time
Minimum Off-Time
BAT Regulation Voltage (Note 3)
Charger Restart Threshold
(Note 6)
BAT Prequalification Lower
Threshold (Figure 6)
BAT Prequalification Upper
Threshold (Figure 6) (Note 3)
Fast-Charge Current
Fast-Charge Current Set Range
Fast-Charge Setting Resistor
Range
Done Current
Prequalification Current
IN
= 6V, V
1.2A Switch-Mode Li+ Chargers with ±22V Input
PARAMETER
BAT
= 4V, R
SETI
= 2.87kI, R
A
= +25NC.) (Note 2)
SYMBOL
V
t
V
t
V
V
ON-MAX
ON-MIN
BATREG
R
PQUTH
PQLTH
RSTRT
t
I
I
OFF
I
SETI
DN
PQ
FC
DNI
= 3.57kI, V
I
MAX8900A/
MAX8900B
(Figure 10)
V
V
V
V
MAX8900A/MAX8900B
V
and T4 (Figure 10)
V
fast-charge current is reduced to 50% the
value programmed by R
(Figure 5)
(Figure 5)
V
and T4 (Figure 10)
V
done current threshold is reduced to 50%
the value programmed by R
V
and T4 (Figure 10),
V
V
prequalification current is reduced to 50%
the value programmed by R
BAT
THM
THM
BAT
BAT
THM
THM
THM
THM
THM
BAT
THM
= 0mA,
rising,180mV hysteresis
rising, 180mV typical hysteresis,
= 2.6V
between T2
between T1 and T3
between T3 and T4
between T2
between T1 and T2 (Figure 10); the
between T2
between T1 and T2 (Figure 10); the
between T1 and T2 (Figure 10); the
THM
= V
CONDITIONS
T
T1 and T3
T
between T1 and T3
T
T3 and T4 (Note 5)
T
between T3 and T4 (Note 5)
A
A
A
A
AVL/2
= +25NC, V
= -40NC to +85NC, V
= +25NC, V
= -40NC to +85NC, V
R
R
R
R
R
R
R
R
R
Minimum
Maximum
Minimum
Maximum
SETI
SETI
SETI
DNI
DNI
DNI
DNI
DNI
DNI
, circuit of Figure 1, T
SETI
= 3.83kI (Note 5)
= 7.68kI (Note 5)
= 38.3kI
= 3.83kI (Note 5)
= 7.68kI (Note 5)
= 38.3kI (Note 5)
= 2.87kI
= 6.81kI
= 34.0kI
DNI
DNI
THM
THM
between
between
THM
THM
A
4.179
4.158
4.055
4.034
= -40NC to +85NC, unless otherwise
1166
MIN
490
-70
2.7
9.5
99
93
47
95
49
10
4.200
4.200
4.075
4.075
1190
1200
TYP
-100
2.87
68.1
10.5
11.5
500
101
105
-75
2.1
2.8
90
75
50
50
99
50
50
54
50
9
4.221
4.242
4.095
4.100
MAX
1214
-125
11.5
510
103
105
115
2.9
53
59
13
UNITS
mV
mA
mA
mA
mA
kI
ns
Fs
ns
%
%
%
V
V
V
5