User Manual

BM62/64
Preliminary
DS60001403C-Page 48
 2017 Microchip Technology Inc.
Table 8-1 through Table 8-9 provide the recommended
operating conditions and the electrical specifications of
the BM62/64 module.
TABLE 8-1: RECOMMENDED OPERATING CONDITION
Symbol
Parameter
Min.
Typical
Max.
Unit
BAT_IN
Input voltage for battery
3.2
3.8
4.2
V
ADAP_IN
Input voltage for adapter
4.5
5
5.5
V
TOPERATION
Operation temperature
-20
+25
+70
ºC
Note: The absolute and recommended operating condition tables reflect a typical voltage usage for the device.
TABLE 8-2: I/O AND RESET LEVEL
Parameter
Min.
Typical
Max.
Unit
I/O Supply Voltage (VDD_IO)
3.0
3.3
3.6
V
I/O Voltage Levels
V
IL
input logic levels low
0
—
0.8
V
V
IH
input logic levels high
2.0
—
3.6
V
V
OL
output logic levels low
—
—
0.4
V
V
OH
output logic levels high
2.4
—
—
V
RST_N
Threshold voltage
—
1.6
—
V
Note: These parameters are characterized, but not tested in manufacturing.
TABLE 8-3: BATTERY CHARGER
Parameter
Min.
Typical
Max.
Unit
ADAP_IN Input Voltage
4.5
5.0
5.5
V
Supply current to charger only
—
3
4.5
mA
Maximum Battery
Fast Charge Current
Headroom > 0.7V
(ADAP_IN = 5V)
—
350
—
mA
Headroom = 0.3V to 0.7V
(ADAP_IN = 4.5V)
—
175
(2)
—
mA
Trickle Charge Voltage Threshold
—
3
—
V
Battery Charge Termination Current,
(% of Fast Charge Current)
—
10
—
%
Note 1: Headroom = VADAP_IN – VBAT
2: When VADAP_IN – VBAT > 2V, the maximum fast charge current is 175 mA for thermal protection.
3: These parameters are characterized, but not tested in manufacturing.