Functional Diagram
Functional Diagrams
Block Diagram
Switched Capacitor Converter
SWITCHED
CAPACITOR
CONVERTER
Digital Control / I2C
DIGITAL
CONTROL
/
I
2
C
Thermal SHDN
THERMAL
SHDN
1.8V Linear Regulator Output. Bypass to PGND with a 1μF capacitor. Do not apply an external load.
EN
AVDD
Linear Regulator Outputs VOUT + 1.8V. Bypass to OUT with a 1μF capacitor. Do not apply an external load.
EN
HVDD
The Power Input for the IC. Connect a 4.7μF capacitor between IN and PGND.
EN
IN
LDO
LDO
Active-High Chip Enable Input
EN
EN
Interrupt Output. Connect a 100kΩ pullup resistor between IRQB and VIO.
EN
IRQB
I2C Interface Data I/O
EN
SDA
I2C Interface Clock Input
EN
SCL
I/O Supply Voltage Input. Bypass to AGND with a 1μF capacitor.
EN
VIO
Power Good Indicator Output
EN
PGOOD
EN
MAX77932
Supply Input for Internal Gate Driver. Connect a 0.047μF bootstrap capacitor between BST1P and CF1P.
EN
BST1P
Flying Capacitor Positive Terminal. Connecting 2 x 47μF capacitors between CF1P and CF1N is suggested.
EN
CF1P
Flying Capacitor Negative Terminal
EN
CF1N
Supply Input for Internal Gate Driver. Connect a 0.047μF bootstrap capacitor between BST1N and CF1N.
EN
BST1N
Supply Input for Internal Gate Driver. Connect a 0.047μF bootstrap capacitor between BST2P and CF2P.
EN
BST2P
Flying Capacitor Positive Terminal. Connecting 2 x 47μF capacitors between CF2P and CF2N is suggested.
EN
CF2P
Flying Capacitor Negative Terminal
EN
CF2N
Supply Input for Internal Gate Driver. Connect a 0.047μF bootstrap capacitor between BST2N and CF2N.
EN
BST2N
Switched Capacitor Converter Output. Connect 2 x 10μF capacitors between OUT and PGND.
EN
OUT
Power Ground Pin
EN
PGND
Analog Ground Pin
EN
AGND
LDO
LDO
