GND
GND
10µF
C4
10µF
C5
10µF
C6
10µF
C7
VINB0
VINB1
VINB2
VINB3
VINB0
VINB1
VINB2
VINB3
6800pF
C11
100µF
C12
VIN
GND
GND
GND
6800pF
C21
100µF
C22
VIN
GND
GND
GND
6800pF
C15
100µF
C16
VIN
GND
GND
GND
6800pF
C25
100µF
C26
VIN
GND
GND
GND
SW0
SW1
SW2
SW3
100µF
C13
GND
100µF
C23
GND
100µF
C17
GND
100µF
C27
GND
GND
GND
GND
GND
GND
GND
0
J3B
0
J3A
DNP
GND
GND
1
2
TP1
DNP
1
2
TP2
DNP
1
2
TP3
DNP
1
2
TP4
DNP
GND
GND
GND
GND
0
J0A
GND
GND
GND
GND
0
J1B
0
J1A
DNP
FB0
FB1
FB2
FB3
FB1
FB0
FB2
FB3
0
J2B
0
J2A
DNP
VOUT0
VOUT1
VOUT2
VOUT3
0.1µF
C0_2
0.1µF
C1_2
0.1µF
C2_2
0.1µF
C3_2
SW0
SW1
SW2
SW3
22µF
C0
22µF
C0_1
22µF
C1
22µF
C1_1
22µF
C2
22µF
C2_1
22µF
C3
22µF
C3_1
GND
SDASYS
SCLSYS
INT
NRST
PGOOD
CLKIN
EN1
EN2
EN3
3.9
R1
390pF
C9
3.9
R3
390pF
C19
3.9
R2
390pF
C10
3.9
R4
390pF
C20
3300pF
C0_3
3300pF
C1_3
3300pF
C2_3
3300pF
C3_3
Input filters for reducing EMI
Snubbers
VDDA
30 ohm
L4
BLM21PG300SH1D
30 ohm
L6
BLM21PG300SH1D
30 ohm
L5
BLM21PG300SH1D
30 ohm
L7
BLM21PG300SH1D
470nH
L0
470nH
L1
470nH
L2
470nH
L3
J01
S1911-46R
J021
S1911-46R
J23
S1911-46R
VOUT0
VOUT2
VOUT2
VOUT1
VOUT3
VOUT0
J022
S1911-46R
VOUT2
VOUT0
Shunts for Connecting Phases Together
0.1µF
C8
0.1µF
C14
0.1µF
C24
0.1µF
C18
0.1µF
C28
FB_B2
1
EN3
2
CLKIN
3
AGND
4
SCL
5
SDA
6
EN1
7
FB_B0
8
VIN_B0
9
SW_B0
10
PGND_B01
11
SW_B1
12
VIN_B1
13
FB_B1
14
EN2
15
PGOOD
16
AGND
17
VANA
18
INT
19
NRST
20
FB_B3
21
VIN_B3
22
SW_B3
23
PGND_B23
24
SW_B2
25
VIN_B2
26
AGND
27
U1
LP87561DRNFRQ1
Copyright © 2016, Texas Instruments Incorporated
LP8756xQ1EVM Schematics
30
SNVU472B – October 2016 – Revised August 2018
Copyright © 2016–2018, Texas Instruments Incorporated
The LP8756xQ1EVM (SV601325) Evaluation Module
6
LP8756xQ1EVM Schematics
Figure 29. LP87561Q1EVM Schematic