MAX8934AETI+ Maxim Integrated Products, MAX8934AETI+ Datasheet - Page 9

• Manufacturer Part Number: MAX8934AETI+
• Description: IC BATTERY CHARGER DUAL 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: Smart Power Selector™r

Specifications of MAX8934AETI+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.1 V ~ 6.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Product: Charge Management
• Output Voltage: 1 V
• Operating Supply Voltage: 4.1 V to 6.6 V
• Supply Current: 1 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(MAX8934A, T
tery current indicates charging.)
Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
1.0100
1.0075
1.0050
1.0025
1.0000
0.9975
0.9950
0.9925
0.9900
A
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
= +25NC, circuit of Figure 2, V
-40
CURRENT (USB AND DC DISCONNECTED)
SYS OUTPUT VOLTAGE vs. SYS OUTPUT
0
0
_______________________________________________________________________________________
NORMALIZED CHARGE CURRENT
V
NO SYS LOAD
(LOW IC POWER DISSIPATION)
BATT
1
vs. AMBIENT TEMPERATURE
V
THE SLOPE OF THIS LINE
SHOWS THAT THE BATT-TO-SYS
RESISTANCE IS 40mI.
BATT
-15
AMBIENT TEMPERATURE (°C)
SYS OUTPUT VOLTAGE
= 4.0V
0.5
SYS OUTPUT CURRENT (A)
2
MAX8934B–
= 4.0V
MAX8934E
vs. USB VOLTAGE
USB VOLTAGE (V)
MAX8934A
3
10
1.0
4
V
USB
35
= 5V, V
5
1.5
6
BATT
60
DC
= 4V
7
Typical Operating Characteristics (continued)
= 6V, V
85
2.0
8
BATT
= 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative bat-
4.220
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4.180
4.175
4.170
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
5.5
5.1
4.7
4.3
3.9
3.5
-40
0
0
V
PEN1 = 1, PEN2 = X
CEN = 1
BATTERY REGULATION VOLTAGE
MAX8934B–
MAX8934E
BATT
vs. SYS OUTPUT CURRENT (DC)
V
2
DC
0.5
-15
= 4V,
= 5V
SYS OUTPUT VOLTAGE
SYS OUTPUT VOLTAGE
SYS OUTPUT CURRENT (A)
V
vs. TEMPERATURE
BATTERY VOLTAGE (V)
DC
4
vs. DC VOLTAGE
1.0
DC VOLTAGE (V)
= 6V
10
6
V
DC
1.5
= 5V
8
35
MAX8934B–
MAX8934E
MAX8934A
V
NO SYS LOAD
2.0
BATT
10
MAX8934A
= 4.0V
60
V
DC
2.5
12
= 6V
85
14
3.0
9