Maxim Integrated MAX20335, Руководство пользователя, Страница: 18 / 67

(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
FAST CHARGE
SET Current Gain Factor K
SET
2000 A/A
SET Regulation Voltage V
SET
1 V
Fast-Charge Current I
FChg
R
SET
= 4 00kΩ 5
mA R
SET
= 40kΩ 45 50 55
R
SET
= 4 kΩ 450 500 550
Fast-Charge Current
Accuracy (Note 6)
I
FChg_ACC
R
SET
Range = 4kΩ to 40kΩ -10 +10 %
MAINTAIN CHARGE
Charge Done
Qualification
I
Chg_DONE
ChgDone = 00 5
%I
FChg
ChgDone = 01 8.5 10 11.5
ChgDone = 10 20
ChgDone = 11 30
BAT Regulation Voltage
(Note 7)
V
BatReg
BatReg = 0000 4.05
V
BatReg = 0001 4.10
BatReg = 0010 4. 15
BatReg =
0011
T
A
= +25°C 4.1 79 4.2 4.2 21
T
A
= 0 to +45C 4.168 4.2 4.232
BatReg = 0100 4.25
BatReg = 0101 4.3
BatReg = 0110 4.35
BatReg = 0111 4.4
BatReg = 1000 4.45
BatReg = 1001 4.5
BatReg = 1010 4.55
BatReg = 1011 4.6
BAT Recharge
Threshold
V
BatReChg
BatReChg = 00 V
BatReg
- 70
mV
BatReChg = 01 V
BatReg
- 120
BatReChg = 10 V
BatReg
-170
BatReChg = 11 V
BatReg
-220
MAX20335 PMIC with Ultra-Low I
Q
Voltage Regulators and
Battery Chargers for Small Lithium Ion Systems
www.maximintegrated.com
Maxim Integrated │ 18
Electrical Characteristics (continued)