MAX1909ETI+ Maxim Integrated Products, MAX1909ETI+ Datasheet - Page 12
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MAX1909ETI+
Manufacturer Part Number
MAX1909ETI+
Description
IC CHARGER BATTERY 28-TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1909ETI.pdf
(30 pages)
Specifications of MAX1909ETI+
Function
Charge Management
Battery Type
Multi-Chemistry
Voltage - Supply
8 V ~ 28 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-WFQFN Exposed Pad
Product
Charge Management
Operating Supply Voltage
8 V to 28 V
Supply Current
2.7 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
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
System Power Selector
(Circuit of Figure 2, V
12
______________________________________________________________________________________
DCIN
V
SYSTEM LOAD
PDL
AC ADAPTER INSERTION
PDS-PDL SWITCHOVER,
PDL-PDS SWITCHING,
BATTERY INSERTION
= 20V, charge current = 3A, 4 Li+ series cells, T
100μs/div
50μs/div
CONDITIONING MODE
WALL ADAPTER = 18V
MAX1909/MAX8725 toc15
MAX1909/MAX8725 toc17
V
PDS
V
PDL
Typical Operating Characteristics (continued)
20V
10V
20V
10V
20V
10V
0V
20V
15V
10V
5V
0V
15V
10V
5V
0V
V
V
V
V
V
V
V
V
V
V
PKDET
PKPRES
PDS
SYSTEM
BATT
PDL
WALLADAPTER
SYSTEMLOAD
PDS
PDL
, V
BATT
, V
PDS
A
= +25°C, unless otherwise noted.)
MAX8725 ONLY
WALL ADAPTER REMOVAL
PDS-PDL SWITCHOVER,
PDL-PDS SWITCHING,
BATTERY REMOVAL
V
PDL
500μs/div
10μs/div
CONDITIONING MODE
WALL ADAPTER = 18V
MAX1909/MAX8725 toc18
MAX1909/MAX8725 toc16
20V
15V
10V
5V
0V
15V
10V
5V
0V
20V
10V
20V
10V
0V
20V
10V
0V
V
V
V
V
V
V
V
V
V
V
V
PKPRES
SYSTEM
PDS
PDL
BATT
SYSTEMLOAD
PDS
WALLADAPTER
BATT
PDL
SYSTEMLOAD