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