MAX8934CETI+T Maxim Integrated Products, MAX8934CETI+T Datasheet - Page 8

• Manufacturer Part Number: MAX8934CETI+T
• Description: IC BATTERY CHARGER DUAL 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: Smart Power Selector™r

Specifications of MAX8934CETI+T

• 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
• 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
8
1200
1000
800
600
400
200
______________________________________________________________________________________
14
12
10
0
8
6
4
2
0
0
0
vs. USB VOLTAGE (CHARGER ENABLED)
USB OPERATING SUPPLY CURRENT
V
V
CHARGER IN
DONE MODE
I
SYS
BATT
USUS
1
= 0A
BATTERY INPUT CURRENT
500
450
400
350
300
250
200
150
100
A
= 4.2V,
V
V
1
= 0V
vs. BATTERY VOLTAGE
50
USB
USB
(USB DISCONNECTED)
0
2
= +25NC, circuit of Figure 2, V
BATTERY VOLTAGE (V)
0
RISING
FALLING
USB VOLTAGE (V)
3
V
PEN1 = X, PEN2 = 1
BATTERY VOLTAGE (500mA USB)
2
USB
4
= 5V
1
V
V
CHARGE CURRENT vs.
BATT
BATT
BATTERY VOLTAGE (V)
3
5
ENTERING OVLO
RISING
FALLING
THMEN = 0
2
THMEN = 1
6
4
7
3
8
5
4
DC
900
800
700
600
500
400
300
200
100
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
= 6V, V
0
5
-40
vs. USB VOLTAGE (CHARGER DISABLED)
0
USB OPERATING SUPPLY CURRENT
V
V
CEN = 1
I
PEN1 = X, PEN2 = 1
V
USB AND DC UNCONNECTED
SYS
BATT
USUS
BATT
1
BATT
= 0A
V
V
BATTERY INPUT CURRENT
-15
= 4.2V,
USB
USB
= 4V, THMEN = 0, I
= 0V
2
vs. TEMPERATURE
RISING
FALLING
= 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative bat-
TEMPERATURE (°C)
USB VOLTAGE (V)
3
10
4
Typical Operating Characteristics
LDO
ENTERING OVLO
35
5
= 0
6
60
7
1200
1000
800
600
400
200
85
0
8
0
V
PEN1 = 1, PEN2 = X
DC
BATTERY VOLTAGE (1A DC)
= 5V
250
200
150
100
100
1
50
90
80
70
60
50
40
30
20
10
V
V
CHARGE CURRENT vs.
0
0
BATT
BATT
BATTERY VOLTAGE (V)
0
0
RISING
FALLING
V
USUS = 1
BATT
BATTERY VOLTAGE (100mA USB)
2
V
PEN1 = X, PEN2 = 0
1
USB
USB SUSPEND CURRENT
= 4.2V,
1
= 5V
CHARGE CURRENT vs.
2
V
V
BATT
BATT
vs. USB VOLTAGE
BATTERY VOLTAGE (V)
3
USB VOLTAGE (V)
3
RISING
FALLING
2
4
4
3
5
5
6
4
7
8
5