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CHG_SEL
BAT_ID
VBAT_SNS
BAT_THERM
CS_M
CS_P
Antenna Interfaces
Pin Name
ANT_MAIN
ANT_DRX
ANT_GNSS
ANT_WIFI/BT
Other Interfaces
Pin Name
USB_BOOT
SC200K_Series_Hardware_Design
127
DI
Charging select
185
AI
Battery type detect
133
AI
Battery voltage detect
Battery temperature
134
AI
detect
Battery current detect
183
AI
(-)
Battery current detect
184
AI
(+)
Pin
I/O
Description
No.
Main antenna
87
AIO
interface
Diversity antenna
131
AI
interface
GNSS antenna
121
AI
interface
Wi-Fi/Bluetooth
77
AIO
antenna interface
Pin
I/O
Description
No.
Force the module into
46
DI
download mode
Smart Module Series
By connecting this pin
to the ground, the
internal charger IC is
turned off.
Input range: 0–1.2 V.
If unused, keep it
open.
Up to 4.5 V input
voltage.
Supports 10 kΩ NTC
thermistor by default.
Connects to the NTC
thermistor when used.
If it is not used, it must
be connected to the
ground with an
external 10 kΩ resistor.
If fuel gauge is not
used, connect these
pins to the ground.
Supports up to 3 A
current measurement.
DC
Comment
Characteristics
50 Ω impedance.
DC
Comment
Characteristics
Before turning on the
module, driving
V
max = 0.48 V
USB_BOOT down to
IL
V
min = 1.39 V
GND can enable
IH
module to enter into
download mode after
29 / 105
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