INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
VPWR
VDD
VPWR, VDD
V8.0 Analog
V2.5 Logic
V
V
DD
DD
POR, Over-voltage
Under-voltage
~50µA
~50µA
CS
SI
LOGIC CONTROL
Oscillator
Bandgap
Bias
SCLK
OUTEN
~15µA
V
~15µA
SPI
INTERFACE
V2.5
OUT0
OUT1
OUT2
OUT3
Outputs 0 to 3
VOC1
DD
SO
Gate Control
DIN0
75µA
Current Limit
Temperature Limit
Short/Open
PARALLEL
CONTROL
~50µA
DIN1
DIN2
DIN3
+
–
R
S
~50µA
~50µA
~50µA
lLimit
Exposed
Pad
PWM
CONTROLLER
+
–
SPI
NOMI,MAXI
DAC
SPARK DURATION
FB0
FB1
FB2
FB3
+
–
SPI
GIN0
GIN1
GIN2
GIN3
Open Secondary
~50µA
+
100µA
VOC
V
−
PWR
GPGD
Only
SPARK
DAC
~50µA
~50µA
Low V
Clamp
GPGD
Clamp
GATE DRIVE
CONTROL
GD0
GD1
GD2
GD3
~50µA
VDD
+
NOMI
MAXI
–
DAC
~50µA
SPKDUR
RSP
RSN
+
–
DAC
NOMI
MAXI
Exposed Pad
GND
Figure 2. 33810 Simplified Internal Block Diagram
33810
Analog Integrated Circuit Device Data
Freescale Semiconductor
2
FREESCALE [ Freescale ]
