MAX1667 Maxim, MAX1667 Datasheet - Page 20

• Manufacturer Part Number: MAX1667
• Description: Chemistry-Independent / Level 2 Smart Battery Charger
• Manufacturer: Maxim

Chemistry-Independent,
Level 2 Smart Battery Charger
20
Figure 10. Average Voltage Between CS and BATT vs. Code
Figure 9. ChargingVoltage() Data to Voltage Mapping
______________________________________________________________________________________
A:
B:
C:
160
115
0b00001
35
0x0080
5
(128)
A: ChargingCurrent( ) CODE (D15–D0)
B: EQUIVALENT DECIMAL CODE
C: CURRENT DAC CODE (DA4–DA0)
16.368V
12.592V
0b00111
18.416V
0x0380
(896)
8.400V
4.192V
0b000000000000xxxx
0V
0x000x
V
DCIN > 20V
REF
= 4.096V
0b10111 0b11111
0x0B80 0x0F80
(2944) (3968)
0b000100000110xxxx
0x106x
(65535)
0xFFFF
SEL = VL
SEL = OPEN
SEL = GND
0b001000001101xxxx
ChargingVoltage() D15–D0 DATA
0x20Dx
Figure 11. Typical Thermistor Characteristics
0b001100010011xxxx
0x313x
1000
100
0.1
10
1
-50
-40
-30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110
0b010010100000xxxx
0x47Fx
TEMPERATURE (°C)
0b111111111111xxxx
0xFFFx