Sony HAP-S1 - Fpga Dsp Board

HAP-S1
81
IC4008 CS230002-CZZR
CLK_OUT 3
CLK_IN
5
LOCK
4
VD 1
GND
2
M0
10
M1
9
FILTN
7
FILTP
6
M [1:0]
00 = 1u
01 = 2u
10 = 4u
11 = 8u
OUT_EN8
LCO
'6 FRACTIONAL-N
FREQUENCY
SYNTHESIZER
128 Hz BW DIGITAL PLL
& FRACTIONAL N LOGIC
N
OUTPUT TO INPUT
CLOCK RADIO
– FPGA DSP Board –
IC101 TPS54295PWPR
VIN216
VBST2
15
SW2
14
PGND2
13
EN2
12
SS2
11
VFB210
VREG5
9
VIN1
1
VBST1
SW1
2
3
PGND1
4
EN1
5
SS1
VFB1
6
7
GND
8
VREG5VREG5
PROTECTION
LOGIC
+

CH1 MIN-OFF
TIMER
+
+

REF2
PGND2
SW2
+

REF_OCL
SW2
SS2
ERR COMP

+
+

+20%
32%
UVUV2
ZC2ZC1
OCP2OCP1
OVOV2
CH2 MIN-OFF
TIMER
+

+
+

REF1
PGND1
PGND PGND
VIN1
CONTROL
LOGIC
CONTROL
LOGIC
SW1
+

REF_OCL
XCON XCON
SW1
SS1
UV1
UV2
OV1
OV2
UVLO
TSD
ERR COMP

+
+

+20%
32%
UV UV1
OV OV1
SS1 SS2
EN LOGIC
5V REG
EN LOGIC
SOFT START
REF1
REF2
REF
UVLO
VREG5
IC102 MM3464A25NRE
VOUT
5
NC
4
CE 3
GND
2
VDD 1
+

VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS