MAX16920 Datasheet, PDF (10/20 Pages) Maxim Integrated Products – Automotive Power-Management IC with Three Step-Down Converters and Linear Regulator

Automotive Power-Management IC with
Three Step-Down Converters and Linear Regulator
Functional Diagram
VINB
VINA
VL
ODRV
BST1
V_INA
UVI
VOLTAGE
SENSE
INTERNAL
REGULATOR
FET
DRIVE
DC-DC1
30V
PGNDB
UVS
CONTROL
VINB
DC-DC2
UVO
PG2
PG3
EN3
OT
SYNC
PGA
ENA
DIVIDE
BY 2*
MAX16920
PGNDB
OVERTEMPERATURE
SENSOR
VINB
EN2
DC-DC3
OSCILLATOR
PGNDA
VINA
LDO
*DIVIDE BY 2 IS ONLY
FOR MAX16920A.
PGNDB
PGNDA
GND
LX1
OUT1
FB1
POR
BST2
LX2
FB2
OUT2
EN2
BST3
LX3
FB3
OUT3
OUTA
10