User's Manual

Flairmesh Technologies Confidential -10-
2.2 Recommended Operating Conditions
Operating Condition
Min
Typ
Max
Unit
Operating Temperature Range*
-40
--
+85
°C
VCHG
4.75
5.0
6.5
V
USB_DP/USB_DN Voltage
0
--
3.6
V
VBAT Voltage
2.8
3.7
4.6
V
PIO Voltage
1.7
3.3
3.6
V
LED voltage
0
--
6.5
V
AIO Voltage
0
--
1.95
V
Tabl e 4: Recommended Operating Conditions
Note *: Charger operates in a range from -10 to +85 (not including battery).
2.3 Input/output Terminal Characteristics
2.3.1 Digital Terminals
Supply Voltage Levels
Min
Typ
Max
Unit
Input Voltage Levels
V
IL
input logic level low
0
-
0.22 x
VCC_PIO
V
V
IH
input logic level high
0.7 x
VCC_PIO
-
-
V
Drive current (configurable 2,4,8,12mA)
2
4
12
mA
Output Voltage Levels
V
OL
output logic level low, at max rated drive
-
-
0.22 x
VCC_PIO
V
V
OH
output logic level high, at max rated drive
0.75 x
VCC_PIO
-
-
V
Pull Strength
Strong pull-up/down
15
65
150
kΩ
Weak pull-up/down
500
2200
5000
kΩ
Tabl e 5: Digital Terminal