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CMT-Z100DiR/Z100iR
• IC Block Diagrams
– DMB19C-32NUA Board –
IC107 TK11133CSCL-G
5
4
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1
2
3
IC4601 PCM1808PWR
LOW-PASS FILTER
LOW-PASS FILTER
DELTA-SIGMA
MODULATOR
1/64
DECIMATION
FILTER
VREF 1
REFERENCE
WITH
HIGH-PASS
DELTA-SIGMA
FILTER
MODULATOR
AGND
2
VCC
3
POWER
VDD
4
SUPPLY
DGND
5
CLOCK & TIMING CONTROL
SCKI 6
LRCK 7
IC4602 CS4335-KSZR
SERIAL INPUT
SDATA
1
INTERPOLATOR
INTERPOLATOR
INTERFACE
DEM/SCLK
2
LRCK
3
MODULATOR
DE-EMPHASIS
MODULATOR
MCLK
4
CMT-Z100DiR/Z100iR
IC111 MM1661JHBE
8 7 6 5
THERMAL
BIAS
SHUTDOWN
DRIVER
CURRENT
LIMITTER
REFERENCE
1 2
3
4
ANTIALIAS
14
VINR
ANTIALIAS
13
VINL
12
FMT
SERIAL
11
MD1
INTERFACE
10
MD0
&
MODE/FORMAT
9
DOUT
CONTROL
8
BCK
8
AOUTL
VOLTAGE
7
VA
REFERENCE
6
AGND
ANALOG
DAC
LOW-PASS
FILTER
ANALOG
DAC
LOW-PASS
5
AOUTR
FILTER
– DAB Board –
IC801 TK11133CSCL-G
5
4
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1
2
3
– MAIN Board –
IC02 MIP2F20MS1SO
VDD
1
CLAMP CIRCUIT
(ILIMIT SETTING)
FB
2
VCL
FOR LIGHT LOAD
DETECTION INTERMITTENT
OSCILLATION CONTROL
+
27%
CL
3
IN
–
22%
VCL.OUT
ICL.LOW
ILIMIT VARIABLE
CIRCUIT
GENERATOR
CLOCK
12kHz
MAXDC
VCC OVP
+
2.4V
–
S
Q
R
Q
OVERHEAT
RESTARTING
PROTECTION
TRIGGER
VCC UV
+
7.2V
–
VCC
4
36
36
IC802 TK68112AS2G0L-C
VIN
1
REFERENCE
–
VOLTAGE
+
ON/OFF
GND
2
CONTROL
THERMAL & OVER
CURRENT PROTECTION
VCONT
3
6.6V
VDD CLAMP
ILIMIT
CIRCUIT
CONSTANT
CORRECTION
CURRENT
CIRCUIT
SOURCE
–
+
FOR
DRAIN CURRENT
DETECT
AT TURNING ON
R
Q
BLANKING PULSE
GENERATION CIRCUIT
S
Q
GATE DRIVER
POWER
MOSFET
VDD UV
+
5.7V
–
5.0V
REGULATOR
5.7V
5
VOUT
4
NC
8 SOURCE
7 SOURCE
5 DRAIN
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