Manualshelf

Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - battery management Charge management Li-Ion, Li-Po TQFN 28 (4x4) Surface-mount
12345678910
8 Maxim Integrated
Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
MAX8934A–MAX8934E
Typical Operating Characteristics
(MAX8934A, T
A
= +25NC, circuit of Figure 2, V
DC
= 6V, V
BATT
= 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative bat-
tery current indicates charging.)
USB OPERATING SUPPLY CURRENT
vs. USB VOLTAGE (CHARGER ENABLED)
MAX8934A/B/C toc01
USB OPERATIN SUPPLY CURRENT (uA)
200
400
600
800
1000
1200
0
USB VOLTAGE (V)
7645231
08
V
BATT
= 4.2V,
V
USUS
= 0V
CHARGER IN
DONE MODE
I
SYS
= 0A
V
USB
RISING
V
USB
FALLING
ENTERING OVLO
USB OPERATING SUPPLY CURRENT
vs. USB VOLTAGE (CHARGER DISABLED)
MAX8934A toc02
USB VOLTAGE (V)
USB OPERATING SUPPLY CURRENT (uA)
764 52 31
100
200
300
400
500
600
700
800
900
0
08
V
BATT
= 4.2V,
V
USUS
= 0V
CEN = 1
I
SYS
= 0A
PEN1 = X, PEN2 = 1
V
USB
RISING
V
USB
FALLING
ENTERING OVLO
USB SUSPEND CURRENT
vs. USB VOLTAGE
MAX8934A/B/C toc03
USB VOLTAGE (V)
USB QUIESCENT CURRENT (FA)
7654321
50
100
150
200
250
0
08
V
BATT
= 4.2V,
USUS
= 1
BATTERY INPUT CURRENT
vs. BATTERY VOLTAGE
(USB DISCONNECTED)
MAX8934A toc04
BATTERY VOLTAGE (V)
BATTERY INPUT CURRENT (uA)
4321
2
4
6
8
10
12
14
0
05
THMEN = 1
THMEN = 0
CHARGE CURRENT vs.
BATTERY VOLTAGE (500mA USB)
MAX8934A/B/C toc07
BATTERY VOLTAGE (V)
CHARGE CURRENT (mA)
4321
50
100
150
200
250
300
350
400
450
500
0
05
V
USB
= 5V
PEN1 = X, PEN2 = 1
V
BATT
RISING
V
BATT
FALLING
CHARGE CURRENT vs.
BATTERY VOLTAGE (1A DC)
MAX8934A/B/C toc08
BATTERY VOLTAGE (V)
CHARGE CURRENT (mA)
4321
200
400
600
800
1000
1200
0
05
V
DC
= 5V
PEN1 = 1, PEN2 = X
V
BATT
RISING
V
BATT
FALLING
BATTERY INPUT CURRENT
vs. TEMPERATURE
MAX8934A toc05
TEMPERATURE (°C)
BATTERY INPUT CURRENT (uA)
603510-15
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
4.0
-40 85
V
BATT
= 4V, THMEN = 0, I
LDO
= 0
USB AND DC UNCONNECTED
CHARGE CURRENT vs.
BATTERY VOLTAGE (100mA USB)
MAX8934A/B/C toc06
BATTERY VOLTAGE (V)
CHARGE CURRENT (mA)
4321
10
20
30
40
50
60
70
80
90
100
0
05
V
USB
= 5V
PEN1 = X, PEN2 = 0
V
BATT
RISING
V
BATT
FALLING