Texas Instruments TPS25921XEVM-637, User Manual

Page: 4 / 20

S1
4.7µF
C5
4.7µF
C3
0.1µF
C2
TP6
VIN1
TP8
TP5
VOUT1 TP3
EN1
TP10
ILIM1
TP7
TP1
1000pF
C7
D1
COMMON GROUND
VIN1
FAULT1
1
2
3
J3
TP4
FLTb1
1000pF
C8
0.47µF
C1
VOUT-1=4.5V-18V
IOUT-1=0.4A -1.6A
Red
D3
D2
J2
J1
4.7µF
C4
TP2
GND
1
SS
2
EN/UVLO
3
VIN
4
OUT
5
FLTb
6
ILIM
7
OVP
8
U1
TPS25921AD
100k
R1
12.1k
R6
24.9k
R3
DNP
95.3k
R2
45.3k
R4
S2
34.8k
R14
4.7µF
C13
4.7µF
C11
0.1µF
C10
TP19
VIN2
TP11
TP18
VOUT2
TP16
EN2
TP20
ILIM2
TP13
TP12
1000pF
C15
D5
COMMON GROUND
VIN2
FAULT2
45.3k
R15
1
2
3
J7
TP17
FLTb2
1000pF
C16
100k
R11
0.47µF
C9
95.3k
R12
VIN=4.5V-18V
IIN=0.4A-1.6A
VOUT-2=4.5V-18V
IOUT-2=0.4A -1.6A
Red
D7
D6
J6
J5
24.9k
R13
DNP
4.7µF
C12
TP21
GND
1
SS
2
EN/UVLO
3
VIN
4
OUT
5
FLTb
6
ILIM
7
OVP
8
U2
TPS25921LD
VOUT2
1 2 3
J4
330µF
C14
330µF
C6
34.8k
R5
12.1k
R16
24.3k
R17
24.3k
R7
0.1
R10
TP14
P-LOAD
P-LOAD-RTN
ON
TP15
I-LOAD
TP9
Green
D4
100k
R9
10.0k
R8
VOUT1
VIN=4.5V-18V
IIN=0.4A-1.6A
TP22
OVP1
TP23
OVP2
1000pF
C17
1000pF
C18
VOUT1 VOUT2
4
7
,8
1
,2
,3
5
,6
,
Q1
Schematics
www.ti.com
3 Schematics
Figure 1 illustrates the schematic for this EVM.
Figure 1. TPS25921X EVM Schematic
4 TPS25921X-637EVM: Evaluation Module for TPS25921X SLUUB50 – August 2014
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