RT5509
Pin No.
D2
D3
D4
D5
D6
D7
E1
E2
E3
E4
E5
E6
E7
F1
F2
F3
F4
F5
F6
F7
G1
G2
G3
G4
G5
G6
G7
Pin Name
DGND
DGND
TSTA1
AGND
NC1
NC2
BCK2
DGND
DGND
DGND
BGND
LX
VBST
SDA
ADS1
ADS2
AGND
BGND
LX
VBST
SCL
VBAT
DVDD
AGND
BGND
LX
VBST
I
G
G
G
G
P
O
I/O
I
I
G
G
P
O
I
I
P
G
G
P
O
Type
G
G
O
G
Digital ground.
Digital ground.
Test output 1/ short to GND.
Analog ground.
No internal connection.
No internal connection.
I
2
S bit clock 2.
Digital ground.
Digital ground.
Digital ground.
Boosted ground.
Boost converter input.
Boosted supply voltage.
I
2
C data.
Address select 1.
Address select 2.
Analog ground.
Boosted ground.
Boost converter input.
Boosted supply voltage.
I
2
C clock.
Battery supply sense input.
Digital / Analog supply voltage.
Analog ground.
Boosted ground.
Boost converter input.
Boosted supply voltage.
Pin Function
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS5509-01
September
2017
www.richtek.com
3
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
