MAX1667EAP+ Maxim Integrated Products, MAX1667EAP+ Datasheet - Page 8

• Manufacturer Part Number: MAX1667EAP+
• Description: IC SMART BATT CHGR LEVEL2 20SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1667EAP+

• Function: Charge Management
• Battery Type: All Battery Types
• Voltage - Supply: 7.5 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chemistry-Independent,
Level 2 Smart Battery Charger
8
(Circuit of Figure 7, T
4.110
4.105
4.100
4.095
4.090
4.085
4.080
_______________________________________________________________________________________
-40
V
DCIN
-20
= 20V
V
REF
0.001
-0.2
-0.4
-0.6
-0.8
-1.0
0
0.01
1.0
0.8
0.6
0.4
0.2
100
TEMPERATURE (°C)
0.1
1.0
0
10
vs. TEMPERATURE
A
0
0
20
V
MEASURED AT AVAILABLE
ChargingVoltage() CODES
= +25°C, unless otherwise noted.)
V
ChargingVoltage() = 17,408mV
ChargingCurrent() = 1920mA
V
DCIN
2k
DCIN
REF
OUTPUT V-I CHARACTERISTIC
vs. ChargingVoltage() CODE
40
= 4.096V
400
= 20V
= 20V
4k 6k 8k
(SWITCHING REGULATOR)
BATT VOLTAGE ERROR
ChargingVoltage() CODE
LOAD CURRENT (mA)
60
800
80
10k 12k 14k
1200
100
I
LOAD
I
1600
LOAD
= 600mA
16k
= 3mA
Typical Operating Characteristics (continued)
100
18k
95
90
85
80
75
70
65
60
55
50
2000
0
20k
EFFICIENCY vs. LOAD CURRENT
(VOLTAGE REGULATION)
1000
D
LOAD CURRENT (mA)
A: V
B: V
C: V
D: V
E: V
DCIN
DCIN
DCIN
DCIN
DCIN
E
2000
= 20V, V
= 16V, V
= 20V, V
= 20V, V
= 16V, V
C
BATT
BATT
BATT
BATT
BATT
3000
A
= 8.5V
= 17V
= 12.75V
= 12.75V
= 8.5V
15
10
-5
B
5
0
8
7
6
5
4
3
2
1
0
0
0
4000
V
ChargingVoltage() = 17,408mV
ChargingCurrent() = 1 to 127mA
500
DCIN
2
OUTPUT V-I CHARACTERISTIC
V
V
MEASURED AT AVAILABLE
ChargingCurrent() CODES
= 20V
1000
4
LOAD CURRENT ERROR
DCIN
BATT
(LINEAR SOURCE)
6
=20V
= 12.75V
1500
100
95
90
85
80
75
70
65
60
55
50
8
V
CODE
2000
IOUT
0
10 12 14 16 18 20
(V)
2500
EFFICIENCY vs. BATT VOLTAGE
2
(CURRENT REGULATION)
4
3000
A
A: V
B: V
C: V
BATT VOLTAGE (V)
6
3500 4000
DCIN
DCIN
DCIN
B
8
= 16V, I
= 20V, I
= 20V, I
10
LOAD
LOAD
LOAD
12
C
= 2A
= 2A
= 600mA
14
16
18