ENBA
1
INA
2
GND
3
INB
4
OUTB
5
VDD
6
OUTA
7
ENBB
8
PAD
9
U2
UCC27424QDGNRQ1
ENBA
1
INA
2
GND
3
INB
4
OUTB
5
VDD
6
OUTA
7
ENBB
8
U3
UCC27425QDRQ1
VCC
GND
0.1µF
C9
1µF
C7
GND
INA_25
ENBA
INB_25
ENBB
1800pF
C12
1800pF
C13
1
2
3
Q5
1
2
3
Q6
FET_VDD
FET_VDD
GND
10.0k
R17
GND
OUTB_25
OUTA_25
VCC
0.1µF
C8
1µF
C6
GND
INA_24
ENBA
INB_24
ENBB
1800pF
C10
1800pF
C11
1
2
3
Q3
1
2
3
Q4
FET_VDD
FET_VDD
GND
GND
OUTB_24
OUTA_24
GND
TP12
FET_OUTB
TP11
FET_OUTA
TP10
FET_OUTB
TP9
FET_OUTA
GND
TP14
GND
TP13
GND
TP15
1.0
R11
1.0
R13
1
2
3
J15
OUTA_24
1
2
3
J17
OUTB_24
GND
GND
1.0
R12
1.0
R14
1
2
3
J16
OUTA_25
1
2
3
J18
OUTB_25
GND
1
2
J13
1
2
J14
GND
GND
INA_25
INB_25
0
R10
GND
10µF
C14
GND
10µF
C15
GND
GND
GND
GND
GND
10.0k
R18
10.0k
R16
10.0k
R15
ENBA
1
INA
2
GND
3
INB
4
OUTB
5
VDD
6
OUTA
7
ENBB
8
PAD
9
U1
UCC27423QDGNRQ1
1
2
3
4
5
J1
INA_24
1
2
3
4
5
J2
INB_24
50
R1
50
R2
GND
GND
1
2
3
4
5
J5
OUTA_24
1
2
3
4
5
J6
OUTB_24
50
R4
50
R5
GND
GND
VCC
0.1µF
C2
1µF
C1
GND
INA_23
ENBA
INB_23
ENBB
1800pF
C3
1800pF
C4
1
2
3
Q1
1
2
3
Q2
FET_VDD
FET_VDD
GND
GND
OUTB_23
OUTA_23
GND
TP6
FET_OUTA
TP7
FET_OUTB
TP1
ENBA
TP2
ENBB
FET_VDD
GND
TP5
GND
TP8
VCC
1.0
R7
1.0
R6
1
2
3
J10
INB_24
1
2
3
J7
1
2
3
J9
INA_24
GND
GND
GND
1
2
3
J11
OUTA_23
1
2
3
J12
OUTB_23
GND
GND
TP3
TP4
ENBA
VCC
1
2
3
J8
GND
ENBB
VCC
1
2
J3
1
2
J4
GND
GND
INA_23
INB_23
0
R3
10µF
C5
GND
GND
GND
10.0k
R8
10.0k
R9
Input 4-15V
Copyright © 2017, Texas Instruments Incorporated
Schematic, Bill of Materials, and Layout
3
SLVUB27 – March 2017
Copyright © 2017, Texas Instruments Incorporated
UCC27423-4-5-Q1 EVM User’s Guide
2.1
UCC27423-4-5-Q1 EVM Schematic
Figure 1. UCC27423-4-5-Q1 EVM Schematic