MAX1909ETI Maxim Integrated Products, MAX1909ETI Datasheet - Page 11

• Manufacturer Part Number: MAX1909ETI
• Description: Battery Management
• Manufacturer: Maxim Integrated Products

Specifications of MAX1909ETI

• Product: Charge Management
• Battery Type: Li-Ion, Li-Polymer, NiCd, NiMH, Lead Acid, Universal
• Operating Supply Voltage: 8 V to 28 V
• Supply Current: 2.7 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: TQFN-28
• Charge Safety Timers: No
• Mounting Style: SMD/SMT
• Temperature Monitoring: No
• Uvlo Start Threshold: 9.18 V
• Uvlo Stop Threshold: 9.42 V
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Multichemistry Battery Chargers with Automatic
(Circuit of Figure 2, V
500
450
400
350
300
250
200
150
100
-1
-2
50
-2
-4
-6
-8
4
3
2
1
0
0
8
6
4
2
0
1.5
0
SWITCHING FREQUENCY vs. V
0
IINP ACCURACY vs. INPUT CURRENT
V
INPUT CURRENT-LIMIT ACCURACY
BATT
______________________________________________________________________________________
2.0 2.5
DCIN
0.5
V
BATT
= 16V
2
= 13V
1.0
= 20V, charge current = 3A, 4 Li+ series cells, T
vs. SYSTEM LOAD
INPUT CURRENT (A)
3.0 3.5
SYSTEM LOAD (A)
V
V
IN
BATT
4
1.5
- V
= 12V
BATT
4.0 4.5 5.0 5.5 6.0
2.0
V
BATT
6
(V)
= 10V
2.5
IN
8
3.0
- V
BATT
Typical Operating Characteristics (continued)
3.5
10
System Power Selector
A
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
-1
-2
-1
-2
-3
0
4
3
2
1
0
3
2
1
0
INPUT CURRENT-LIMIT ACCURACY vs. V
= +25°C, unless otherwise noted.)
0.5
1.5
0
V
MAX1909 ONLY
V
BATT
INPUT CURRENT-LIMIT ACCURACY
BATT
IINP ERROR vs. INPUT CURRENT
0.5
= 16V
= 13V
1.0
2.0
V
I
1.0
CHARGE
vs. SYSTEM LOAD
BATT
INPUT CURRENT (A)
SYSTEM LOAD (A)
= 12V
1.5
1.5
= 3A
V
CLS
2.5
DISABLED
CHARGER
(V)
2.0
2.0
V
BATT
2.5
3.0
= 10V
2.5
3.0
3.0
3.5
3.5
CLS
11