(V
CHGIN
= 5.0V, V
BAT
= 3.7V, T
A
= -40°C to +85°C, all registers in their default state, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYS Threshold Voltage
Charger Limiting Current
(Note 5)
V
SYS_LIM
SysMin = 000,
V
BAT
> 3.6V
V
BAT
+
0.1
V
SysMin = 000,
V
BAT
< 3.4V
3.6
SysMin = 001,
V
BAT
< 3.4V
3.7
SysMin = 010,
V
BAT
< 3.4V
3.8
SysMin = 011,
V
BAT
< 3.4V
3.9
SysMin = 100,
V
BAT
< 3.4V
3.86
4
4.14
SysMin = 101,
V
BAT
< 3.4V
4.1
SysMin = 110,
V
BAT
< 3.4V
4.2
SysMin = 111,
V
BAT
< 3.4V
4.3
Charger Current Soft-
Start Time
t
CHG_SOFT
1
ms
PRECHARGE
Precharge Current
I
PCHG
IPChg = 00
5
%I
FChg
IPChg = 01
9
10
11
IPChg = 10
20
IPChg = 11
30
Prequalification
Threshold
V
BAT_PChg
VPChg = 000
2.1
V
VPChg = 001
2.15
2.25
2.35
VPChg = 010
2.40
VPChg = 011
2.55
VPChg = 100
2.7
VPChg = 101
2.85
VPChg = 110
3.0
VPChg = 111
3.15
Prequalification
Threshold Hysteresis
V
BAT_PChg_HYS
90
mV
MAX20335
PMIC with Ultra-Low I
Q
Voltage Regulators and
Battery Chargers for Small Lithium Ion Systems
www.maximintegrated.com
Maxim Integrated
│
17
Electrical Characteristics (continued)
