Specifications

BTA3X Module Specification
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➢ 6. Electrical Characteristics
6.1 Absolute maximum ratings
Description
Min.
Max.
Unit
VCCIO: I/O supply voltage
-0.30
3.60
V
VBAT: System power, Charger output
-0.30
4.80
V
REGEN: Regulator enable
-0.30
4.80
V
VIN: Switching Regulator supply voltage
-0.30
4.80
V
CHG: Charger supply voltage
-0.30
6.50
V
VCCSPK
-0.30
3.60
V
Operating temperature
-20
+70
℃
Storage temperature
-25
+85
℃
6.2 Operating conditions
Description
Min.
Typ.
Max.
Unit
VCCIO: I/O supply voltage
1.55
1.60
3.60
V
VBAT: System power, Charger output(※)
2.70
3.70
4.80
V
VIN: Switching Regulator supply voltage
2.70
3.70
4.80
V
CHG: Charger supply voltage
4.50
5.00
6.50
V
VCCSPK
1.55
1.60
3.30
V
Operating temperature
-20
+25
+70
℃
※The capability value of VBAT is 2.7V to 4.8V, but it is designed to power off at 2.9V depending on the
firmware now.
6.3 Digital terminals
Description
Min.
Typ.
Max.
Unit
INPUT VOLTAGE LEVELS
Input logic level low (VIL)
-0.7
-
0.3*VCCIO
V
Input logic level high (VIH)
0.7*VCCIO
-
4.0
V
OUTPUT VOLTAGE LEVELS (1.7V≤VCCIO≤1.9V)
Output logic level low (VoL)
-
-
0.2
V
Output logic level high (VoH)
VCCIO-0.2
-
V
OUTPUT VOLTAGE LEVELS (2.7V≤VCCIO≤3.3V)
Output logic level low (VoL)
-
-
0.4
V
Output logic level high (VoH)
VCCIO-0.4
-
-
V
If the value of digital terminals is in the above range, it will be correctly judged as high level or low level.