ISL6322G Datasheet, PDF (4/39 Pages) Intersil Corporation – Two-Phase Buck PWM Controller with Integrated MOSFET Drivers, I2C Interface and Phase Dropping

ISL6322G
ISL6322G Integrated Driver Block Diagram
DRSEL
PWM
SOFT-START
AND
FAULT LOGIC
GATE
CONTROL
LOGIC
SHOOT-
THROUGH
PROTECTION
PVCC
BOOT
UGATE
20kΩ
10kΩ
PHASE
LGATE
Simplified I²C Bus Architecture
I²C BUS
MASTER
SDA
SCL
+5V +5V
SCL SDA
SLAVE
IC #1
SCL SDA
SLAVE
IC #2
4
SCL SDA
ISL6322G
A0
SLAVE ADDRESS:
1000_110x
SCL SDA
+5V
ISL6322G
R_SS
A0
SLAVE ADDRESS:
R_SS
1000_111x
NOTE: PIN A0 SELECTS THE SLAVE ADDRESS FOR THE ISL6322G
FN6715.0
May 22, 2008