HBD-E385/E390/T39
56
IC3501 BD00GC0WEFJ-SE2 (AMP BOARD (1/3))
IC5302 BD00GC0WEFJ-SE2 (MB148 BOARD (2/9))
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
SOFT
TSD
OCP
IC308 TPS54225PWPR (MB148 BOARD (2/9))
VFB 2
VREG5 3
VO 1
14 VCC
13 VIN
UNDERVOLTAGE
LOCKOUT
EN
LOGIC
PROTECTION
LOGIC
12 VBST
11 SW2
10 SW1
9 PGND2
8 PGND1
+
+
REFERENCE
SOFTSTART
VREG5
+
SS 4
GND 5
PG 6
EN 7
UVLO
TSD
XCON
CONTROL
ROGIC
PWM
OCP
IC501 TC58NVG1S3ETA00B3Q (MB148 BOARD (3/9))
IC501 H27U2G8F2CTR-BCR (MB148 BOARD (3/9))
48 NC
47 NC
46 NC
45 NC
44 IO8
43 IO7
42 IO6
41 IO5
40 NC
39 NC
38 NC
37 VCC
36 VSS
35 NC
34 NC
33 NC
32 IO4
31 IO3
30 IO2
29 IO1
28 NC
27 NC
26 NC
25 NC
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
10
NC
11
NC
12
VCC
13
VSS
14
NC
15
NC
16
CLE
17
ALE
20
NC
21
NC
22
NC
23
NC
24
NC
7
RY / BY
8
RE
9
CE
18
WE
19
WP
I/O
Control circuit
Status register
Address register
Command register
Logic control
Control circuit
Memory cell array
Sense amp
Data register
Column decoder
Column buffer
Row address buffer decoder
Row address decoder
HV generator
RY/BY