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HCD-DZ118K
– MAIN Board –
IC3100, IC3150, IC3200, IC3250, IC3300, IC3400 CXD9883M
BST_A
1
GVDD_A
2
/OTW
3
/SD
4
/RESET
5
PWM_A
6
OC_ADJ
7
GND
8
AGND
9
10
VREG
M3
11
12
M2
13
M1
PWM_B
14
VDD
15
GND
16
GVDD_B
17
BST_B
18
52
IC3050 TK1118CSCL-G
5
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1
VREG
Stuck
Detect
Timing
Control
Programmable
Current sense
Temperature
waming/error
Protection
and
Reset
/HIZ_HS_X
Logic
/HIZ_LS_X
/UVP
/OCH_X
/OCL_X
/RESET_X
Under
Voltage
OLP
/PCR
Power-Up
Protection
OTP
Reset
CB3C
/UVP
/UVP_VREG
Timing
Control
VREG
Stuck
REG
Detect
4
OVER HEAT &
OVER CURRENT
PROTECTION
2
3
Drive
/HIZ_HS_A
/HIZ_LS_A
Protection
Logic
/OCH_A
/OCL_A
/RESET_A
VREG
GVDD_A
GVDD_B
/HIZ_HS_B
/HIZ_LS_B
Protection
Logic
/OCH_B
/OCL_B
Drive
/RESET_B
36
PVDD_A
Over
Current
Fault
35
PVDD_A
PVDD_A
34
Gate
33
PGND
32
PGND
PGND
31
30
OUT_A
Gate
Drive
29
OUT_A
OUT_A
28
Over
Current
Fault
27
OUT_B
Over
Current
26
OUT_B
Fault
25
OUT_B
Gate
Drive
24
PGND
23
PGND
PGND
22
21
PVDD_B
Gate
20
PVDD_B
19
PVDD_B
Over
Current
Fault
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