MAX8934AETI+ Maxim Integrated Products, MAX8934AETI+ Datasheet - Page 10

• 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

Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
(MAX8934A, T
tery current indicates charging.)
10
_____________________________________________________________________________________
5.5
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.2
1.0
0.8
0.6
0.4
0.2
0
0
A
0
0
0
CHARGE PROFILE—820mAh BATTERY
= +25NC, circuit of Figure 2, V
0.1A, MAX8934A, PEN1 = 0, PEN2 = 0
10
ADAPTER INPUT—1A CHARGE
SYS OUTPUT CURRENT (USB)
2
0.5
SYS OUTPUT VOLTAGE vs.
V
L
SYS OUTPUT CURRENT (A)
20
OUTPUT VOLTAGE vs.
0.5A, MAX8934A,
PEN1 = 0, PEN2 = 1
4
I
VL
I
1.0
BATT
DC VOLTAGE (V)
DC VOLTAGE
= 0mA
30
I
VL
TIME (min)
6
= 5mA
1.5
40
V
BATT
8
50
2.0
V
V
CEN = 1
BATT
USB
10
60
= 5.0V
= 4.0V,
2.5
12
70
DC
3.0
14
80
Typical Operating Characteristics (continued)
= 6V, V
4.5
4.0
3.5
3.0
2.5
2.0
1.5
BATT
= 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative bat-
I
V
BATT
I
USB
SYS
500
450
400
350
300
250
200
150
100
I
5.5
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
DC
50
0
0
0
CHARGE PROFILE—820mAh BATTERY
C
-190mA
475mA
4.2V
DC
V
V
CEN = 1
0A
BATT
USB
CHARGING
20
USB INPUT—500mA CHARGE
SYS OUTPUT CURRENT (USB)
0.5
V
SYS OUTPUT VOLTAGE vs.
CONNECTED (R
= 5.0V
BATT
= 4.0V,
DC CONNECT WITH USB
0.14A, MAX8934B/MAX8934C/
MAX8934D PEN1 = 0, PEN2 = 0
SYS OUTPUT CURRENT (A)
BATTERY CHARGER SOFT-START
0A
40
0.5A, MAX8934B/MAX8934C/
MAX8934D PEN1 = 0, PEN2 = 0
1.0
5.3V
TIME (min)
400Fs/div
C
60
SYS
I
BATT
1.5
CHARGING
80
SYS
1.5A, MAX8934D
PEN1 = 1, PEN2 = 1
2.0
= 22I)
100
1.24A
-1A
MAX8934A/B/C toc19
MAX8934A toc17
2.5
120
140
3.0
4.5
4.0
3.5
3.0
2.5
2.0
5V/div
1A/div
500mA/div
1A/div