Specifications

M80 Hardware Design
M80_HD_V1.0 - 23 -
VBAT is supplied.
Iin=2.6~5 uA
VDD_EXT
60
O
Supply 2.8V voltage
for external circuit.
Vmax=2.9V
Vmin=2.7V
Vnorm=2.8V
Imax=20mA
1. If unused, keep this
pin open.
2. Recommend to add
a 2.2~4.7uF bypass
capacitor, when using
this pin for power
supply.
GND
37,
61,
62,
64,
65,
66,
93,
94
Ground
Charge interface
PIN NAME
PIN
NO.
I/O
DESCRIPTION
DC
CHARACTERISTICS
COMMENT
GATDRV
74
O
Charge passed
element control pin
Not supported at
present.
CHGLDO
73
I
Charger power supply
source
CHGDET
72
I
Charger detect
ISENSE
71
I
Current sense pin
BATSNS
70
I
VBAT voltage sense
pin
Turn on/off
PIN NAME
PIN
NO.
I/O
DESCRIPTION
DC
CHARACTERISTICS
COMMENT
PWRKEY
15
I
Power on/off key.
PWRKEY should be
pulled down for a
moment to turn on or
turn off the system.
VILmax=
0.1*VBAT
VIHmin=
0.6*VBAT
VImax=VBAT
Pulled up to VBAT
internally.
Emergency shutdown
PIN NAME
PIN
NO.
I/O
DESCRIPTION
DC
CHARACTERISTICS
COMMENT
EMERG_
OFF
17
I
Emergency off. Pulled
down for at least
20ms, which will turn
off the module in case
of emergency. Use it
VILmax=0.4V
VIHmin=2.2V
V
open
max=2.8V
Open drain/collector
driver required in
cellular device
application.
If unused, keep this
Quectel
Confidential