Table 38. Register Bit Default Values
REGISTER BITS
EVKIT
MAX20335A
MAX20335B
MAX20335D
MAX20335F
REGISTER BITS
MAX20335G
MAX20335J
Buck1IZCSet[1:0]
20mA
10mA
20mA
10mA
20mA
Buck1IZCSet[1:0]
20mA
20mA
Buck1VSet[5:0]
1.2V
0.7V
1.8V
0.7V
1.8V
Buck1VSet[5:0]
1.8V
1.9V
Buck1ISet[3:0]
150mA
150mA
150mA
150mA
150mA
Buck1ISet[3:0]
150mA
150mA
Buck1En[1:0]
Disabled
Enabled
Enabled
Disabled
Disabled
Buck1En[1:0]
Disabled
Enabled
Buck1Seq[2:0]
Buck1En
Buck1En
Buck1En
Buck1En
0% Boot
Buck1Seq[2:0]
Disabled
Buck1En
Buck2IZCSet[1:0]
20mA
20mA
20mA
20mA
40mA
Buck2IZCSet[1:0]
30mA
20mA
Buck2VSet[5:0]
1.8V
1.8V
1.2V
1.8V
3.3V
Buck2VSet[5:0]
3V
3.3V
Buck2ISet[3:0]
150mA
150mA
150mA
150mA
150mA
Buck2ISet[3:0]
200mA
150mA
Buck2En[1:0]
Disabled
Enabled
Enabled
Enabled
Disabled
Buck2En[1:0]
Enabled
Disabled
Buck2Seq[2:0]
Buck2En
0% Boot
Buck2En
0% Boot
Buck2En
Buck2Seq[2:0]
0% Boot
Buck2En
LDO1Mode
LDO
LDO
LDO
LDO
LDO
LDO1Mode
Switch
LDO
LDO1VSet[4:0]
0.8V
3V
3.6V
3.3V
1.8V
LDO1VSet[4:0]
3V
3.3V
LDO1En[1:0]
Disabled
Disabled
Enabled
Disabled
Disabled
LDO1En[1:0]
Disabled
Disabled
LDO1Seq[2:0]
LDO1En
LDO1En
LDO1En
LDO1En
LDO1En
LDO1Seq[2:0]
LDO1En
LDO1En
LDO2Mode
LDO
Switch
Switch
LDO
LDO
LDO2Mode
LDO
LDO
LDO2VSet[4:0]
0.9V
3.5V
1.8V
3V
1.8V
LDO2VSet[4:0]
1.8V
3.4V
LDO2En[1:0]
Disabled
Disabled
Enabled
Disabled
Disabled
LDO2En[1:0]
Enabled
Disabled
LDO2Seq[2:0]
LDO2En
LDO2En
LDO2En
LDO2En
LDO2En
LDO2Seq[2:0]
25% Boot
LDO2En
LDO3Mode
LDO
Switch
LDO
LDO
LDO
LDO3Mode
LDO
LDO
LDO3VSet[4:0]
0.9V
3.5V
1.3V
3V
1.8V
LDO3VSet[4:0]
1.8V
3.3V
LDO3En[1:0]
Disabled
Disabled
Enabled
Disabled
Disabled
LDO3En[1:0]
Enabled
Disabled
LDO3Seq[2:0]
LDO3En
LDO3En
LDO3En
LDO3En
LDO3En
LDO3Seq[2:0]
50% Boot
LDO3En
VPchg[2:0]
3.00V
2.85V
3.00V
3.00V
3.00V
VPchg[2:0]
3.00V
3.00V
IPChg[1:0]
0.10 x IFChg
0.10 x IFChg
0.05 x IFChg
0.20 x IFChg
0.10 x IFChg
IPChg[1:0]
0.10 x IFChg
0.05 x IFChg
PChgTmr[1:0]
30min
30min
30min
30min
30min
PChgTmr[1:0]
30min
30min
FChgTmr[1:0]
150min
300min
300min
300min
150min
FChgTmr[1:0]
150min
300min
MtChgTmr[1:0]
0min
60min
0min
30min
0min
MtChgTmr[1:0]
0min
0min
BatReg[3:0]
4.20V
4.20V
4.20V
4.35V
4.20V
BatReg[3:0]
4.20V
4.20V
BatReChg[1:0]
-220mV
-120mV
-120mV
-120mV
-70mV
BatReChg[1:0]
-220mV
-120mV
ChgEn
Enabled
Enabled
Enabled
Enabled
Enabled
ChgEn
Enabled
Enabled
ChgDone[1:0]
0.10 x IFChg
0.05 x IFChg
0.10 x IFChg
0.10 x IFChg
0.10 x IFChg
ChgDone[1:0]
0.10 x IFChg
0.10 x IFChg
ChgAutoStp
Enabled
Enabled
Enabled
Enabled
Enabled
ChgAutoStp
Enabled
Enabled
ChgAutoSta
Enabled
Enabled
Enabled
Enabled
Enabled
ChgAutoSta
Enabled
Enabled
FrshBatDis
Charge
Done
Charge
Charge
Charge
FrshBatDis
Charge
Charge
ThermEn[1:0]
Thermistor
JEITA 1
JEITA 1
JEITA 1
JEITA 1
ThermEn[1:0]
JEITA 2
Off
T1_T2_IFchg[2:0]
1.0 x IFChg
1.0 x IFChg
0.5 x IFChg
0.2 x IFChg
1.0 x IFChg
T1_T2_IFchg[2:0]
0.2 x IFChg
0.5 x IFChg
T2_T3_IFchg[2:0]
1.0 x IFChg
1.0 x IFChg
1.0 x IFChg
1.0 x IFChg
1.0 x IFChg
T2_T3_IFchg[2:0]
1.0 x IFChg
1.0 x IFChg
T3_T4_IFchg[2:0]
1.0 x IFChg
1.0 x IFChg
1.0 x IFChg
0.2 x IFChg
1.0 x IFChg
T3_T4_IFchg[2:0]
1.0 x IFChg
1.0 x IFChg
ChgAlwTry
Retry
Retry
Retry
Latch Off
Latch Off
ChgAlwTry
Latch Off
Retry
MAX20335
PMIC with Ultra-Low I
Q
Voltage Regulators and
Battery Chargers for Small Lithium Ion Systems
www.maximintegrated.com
Maxim Integrated
│
64