Table of Contents
Advertisement
UM-PM-022
DA9318 Direct Charging Reference Board
Reference Designator
Position
J12
NA
J13
NA
Close (Default)
J15
Open
J16
NA
1-2 (Close)
J17
3-4 (Close)
Close (Default)
J18
Open
J19
NA
J20
NA
J21
NA
J22
1-2 (Open)
1-2
J23
2-3 (Close)
J24
NA
J25
NA
J26
1-2 (Close)
1-2 (Close)
J29
2-3
J30
1-2 (Open)
J31
NA
J32
NA
J33
NA
J34
1-2 (Open)
J37
NA
J38
NA
1-2 (Close)
3-4 (Close)
J39
5-6 (Close)
7-8 (Close)
J41
NA
J44
1-2 (Close)
J45
1-2 (Close)
J46
1-2 (Close)
J47
1-2 (Close)
J48
1-2 (Close)
1-2 (Close)
J49
2-3
User Manual
CFR0012
Function
IN connector
IN connector
Short VOUT_DA9318 to VBATP for a local pack sensing
VOUT_DA9318 and VBATP disconnected to allow cell sensing
VBATP connector for cell sensing
DA9318 input disconnect
Short GND to VBATN for a local pack sensing
GND and VBATN disconnected to allow cell sensing
VBATN connector for cell sensing
GND connector (IN side of board)
GND connector (IN side of board)
Main charger PGB GPIO connection to SAM3U
Main charger PSEL settings
GND connector (OUT side of board)
GND connector (OUT side of board)
Main charger Current Limit settings
Main charger thermistor connection
Main charger thermistor sensor short to ground
SMA connector for measuring SYS
JTAG: reserved
SMA connector for measuring C2N (labeled as C2M)
Important: This erases the USB IC firmware. DO NOT SHORT
Load transient connector
SYS connector
SCL from SAM3U connected to DA9318
SDA from SAM3U connected to DA9318
SCL from SAM3U connected to USB PD IC
SDA from SAM3U connected to USB PD IC
SMA connector for measuring C2P
Main charger Status read connection to Atmel
INTB GPIO connection to SAM3U
OTG to Ground
Main charger enable through GPIO
Main charger enable
Both sides of level shifter set to VDD_IO
Level shift from AVDD to VDD_IO
Revision 3.2
12 of 39
16-Feb-2022
© 2022 Renesas Electronics
Advertisement
Table of Contents
