SMH4046 Datasheet, PDF (4/51 Pages) List of Unclassifed Manufacturers – Hot-Swap, Active DC Output Control (ADOCTM) Power Manager with I2C lnterface

INTERNAL FUNCTIONAL BLOCK DIAGRAM
SMH4046
Preliminary Information
VCC12 VCC5 VCC3
HST_
HST_
1VREF PWR PDN2# PDN1# _RST#
FS
EXT_TEMP
VM_A
ADC_CAP_A
VM_B
ADC_CAP_B
VM_C
ADC_CAP_C
CARD_3V
CARD_5V
CARD_12V
TRIM _A
TRIM _CAP_A
TRIM _B
TRIM _CAP_B
TR IM _C
TRIM _CAP_C
F IL T E R _ C A P
GND
10-Bit
ADC
Internal
Supply
UVLO
Tem p eratu re
Sensor
VREF
Control Logic
Cascade
Sequence
Control
Output
Control
Active
DC
Output
Control
I/O Interface,
EEPROM Memory
and Lim it Registers
PUP_A
PUP_B
PUP_C
VGATE3
VGATE5
DRVREN#
HEALTHY#
IRQ
RESET
CARD_V_VLD
FAULT
FPGA_NSTS
FPGA_CGFDONE
FPGA_NCFG
FPGA_DO
FPGA_DCLK
A2
SCL
SDA
Figure 3 – Internal Functional Block Diagram
Summit Microelectronics, Inc
2082 1.7 08/23/04
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