PMIC with Integrated Charger and
Smart Power Selector for Handheld Devices
MA8671X
ELECTRICAL CHARACTERISTICS (continued)
(DC, USB, BVSET, UOK, DOK, LX_ unconnected; V
= V /2, V
= V
= 0V, V
= 4V, CEN = low, USUS = low, EN = high,
BAT
THM
L
PG_
AGND
V
R
= V
= 3.3V, V
VL
= 0V, C
CT
= 1µF, C
BP
= 1µF, C
= 10µF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, R
= 3kΩ,
PEN1
CISET
PEN2
PWM
OUT4
OUT5
SYS
DISET
= 3kΩ, C = 0.1µF, C = 0.15µF, C = 0.01µF, V
= 1.1V, V
= 1.1V, V
= 1.1V, T = -40°C to +85°C, unless other-
FB3 A
FB1
FB2
wise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
1.0
35
MAX
UNITS
ms
Starting DC when no USB present
Starting DC with USB present
DC-to-SYS Soft-Start Time
t
SS-D-S
µs
Die temperature at which current limit is
reduced
DC Thermal-Limit Temperature
DC Thermal-Limit Gain
+100
5
°C
Amount of input current reduction above
thermal-limit temperature
%/°C
USB POWER INPUT (V
= 5.0V, EN = low)
USB
Operating voltage
Withstand voltage
4.1
0
6.6
14
USB Voltage Range
V
V
V
USB
V
= 6V, USUS = low, CEN = high,
USB
SYS Regulation Voltage
V
system current is less than the input current
limit
5.2
5.3
5.4
SYS_REG
USB Undervoltage Threshold
USB Overvoltage Threshold
V
V
V
rising, 500mV hysteresis
rising, 400mV hysteresis
3.95
6.8
4.0
6.9
4.05
7.0
V
V
USBL
USB
USB
V
USBH
PEN2 = low,
USUS = low
V
= 6V, V
= 5V, DC
SYS
USB
90
95
100
500
unconnected, CEN = low,
USB Current Limit
I
mA
USBLIM
T
A
= +25°C,
= 0A (Note 3)
PEN2 = high,
USUS = low
450
475
0.11
1.1
I
VL
USUS = high
USUS = low, CEN = low;
2.0
1.3
30
I
= 0mA, I
= 0mA, VL no load
BAT
USB Quiescent Current
I
SYS
mA
USBIQ
USUS = low, CEN = high;
= 0mA, VL no load
0.7
15
15
I
SYS
Minimum USB-to-BAT Voltage
Headroom
V
falling, 200mV hysteresis
falling, 200mV hysteresis
0
0
mV
mV
USB
Minimum USB-to-SYS Voltage
Headroom
V
V
30
USB
USB
USB-to-SYS Dropout Resistance
USB-to-SYS Soft-Start Time
R
US
= 5V, I
= 400mA, USUS = low
0.325
1.0
0.600
Ω
SYS
t
ms
SS-U-S
Die temperature at which current limit is
reduced
USB Thermal-Limit Temperature
USB Thermal-Limit Gain
100
5
°C
Amount of input current reduction above
thermal-limit temperature
%/°C
SYSTEM (V
= 5.0V, EN = low)
DC
System Operating Voltage Range
System Undervoltage Threshold
V
2.6
5.5
V
V
SYS
V
SYS falling, 100mV hysteresis
2.45
2.50
2.55
UVLO_SYS
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5