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Figure 1-1 highlights the user interface items associated with the EVM. The VIN and PGND terminal blocks (J1 and J3) are used for connection to the host input supply and the VOUT and PGND terminal blocks (J4, J10, J13, J16) are used for connection to the load. These terminal blocks can accept up to 16-AWG wire.
Device | Output Voltage | Output Current Range | Input Voltage |
---|---|---|---|
U1 Dual Output | VOUT1 = 0.8 V, 1.0 V, 1.2 V, 1.8 V, or 3.3 V | 0 to 6 A per output | VIN = 4.5 V to 15 V |
VOUT2 = 0.9 V, 1.1 V, 1.2 V, 1.5 V, or 2.5 V | |||
U2 Parallel Output | VOUT3 = 0.9 V, 1.0 V, 1.1 V, 1.2 V, or 1.8 V | 0 to 12 A |
Wire-loop test points and scope probe sockets are included for digital voltmeters (DVM) or oscilloscope probes to aid in the evaluation of the device. A description of each test point follows:
Name(1) | Description |
---|---|
VIN S+ | Input voltage monitor. Connect the positive lead of a DVM to this point for measuring efficiency. |
VIN S- | Input voltage monitor. Connect the negative lead of a DVM to this point for measuring efficiency. |
VOUT1 S+ | Output 1 voltage monitor. Connect the positive lead of a DVM to this point for measuring efficiency, line regulation and load regulation. |
VOUT1 S- | Output 1 voltage monitor. Connect the negative lead of a DVM to this point for measuring efficiency, line regulation and load regulation. |
VOUT2 S+ | Output 2 voltage monitor. Connect the positive lead of a DVM to this point for measuring efficiency, line regulation and load regulation. |
VOUT2 S- | Output 2 voltage monitor. Connect the negative lead of a DVM to this point for measuring efficiency, line regulation and load regulation. |
VOUT3 S+ | Output 3 voltage monitor. Connect the positive lead of a DVM to this point for measuring efficiency, line regulation and load regulation. |
VOUT3 S- | Output 3 voltage monitor. Connect the negative lead of a DVM to this point for measuring efficiency, line regulation and load regulation. |
AGND | Analog ground test point. |
PGND | Power ground test point. |
VOUT SCOPE (J2, J9, J14) | Output voltage scope monitor. Connect an oscilloscope probe to this set of points to measure output ripple voltage and transient response. |
ENABLE (J5, J8, J15) | For ease of use, J13 can be set in the ON position to enable the device or in the OFF position to disable the device. |
PGOOD1 | Monitors the power good signal of Channel 1 output. This is an open drain signal. |
PGOOD2 | Monitors the power good signal of Channel 2 output. This is an open drain signal. |
PGOOD3 | Monitors the power good signal of Channel 3 output. This is an open drain signal. |
SYNC1&2 | Synchronization input test point of U1. When synchronizing to an external clock connect to this test point. |
SYNC 3 | Synchronization input test point of U2. When synchronizing to an external clock connect to this test point. |
Figure 3-1 through Figure 3-8 show the PCB layers of the TPSM5D1806EVM.
Figure 4-1 is the schematic for the top-half of TPSM5D1806EVM.
Figure 4-2 is the schematic for the bottom-half of TPSM5D1806EVM.
Table 5-1 lists the EVM BOM.
Designator | Qty | Value | Description | Size | Part Number |
---|---|---|---|---|---|
C1 | 1 | 330uF | CAP, AL, 330 uF, 25 V | SMT Radial G | EEE-FC1E331P |
C3, C4, C26, C27 | 4 | 47uF | CAP, CERM, 47 uF, 25 V, X5R | 1206 | C3216X5R1E476M160AC |
C7, C8, C11, C12, C15, C16, C19, C20, C30, C31, C34, C35, C39, C40, C43, C44 | 16 | 100uF | CAP, CERM, 100 uF, 25 V, X5R | 1206 | GRM31CR60J107ME39L |
C24, C48 | 2 | 2.2uF | CAP, CERM, 2.2 uF, 16 V, X6S | 0603 | GRM188Z71C225KE43 |
J1, J3, J4, J10, J13, J16 | 6 | Terminal Block, 5.08 mm, 2x1 | 2x1 5.08mm | ED120/2DS | |
J2, J9, J14 | 3 | Socket Strip, 2x1, 100mil | 2x1, 100mil | 310-43-102-41-001000 | |
J5, J7, J8, J15, J17 | 5 | Header, 100mil, 3x1, Tin, TH | 3x1, 100mil | PEC03SAAN | |
J6, J11, J18 | 3 | Header, 100mil, 5x2, Tin, TH | 5x2, 100mil | PEC05DAAN | |
J12 | 1 | Header, 100mil, 4x2, Tin, TH | 4x2, 100mil | PEC04DAAN | |
J19 | 1 | Header, 100mil, 3x2, Tin, TH | 3x2, 100mil | PEC03DAAN | |
R1, R7, R8, R15, R18, R20, R26, R32, R36 | 9 | 10.0k | RES, 10.0 k, 1%, 0.1 W | 0603 | CRCW060310K0FKEA |
R2, R13, R27 | 3 | 0 | RES, 0, 5%, 0.1 W | 0603 | CRCW06030000Z0EA |
R5 | 1 | 56.2k | RES, 56.2 k, 1%, 0.1 W | 0603 | CRCW060356K2FKEA |
R6 | 1 | 6.81k | RES, 6.81 k, 1%, 0.1 W | 0603 | CRCW06036K81FKEA |
R9 | 1 | 12.1k | RES, 12.1 k, 1%, 0.1 W | 0603 | CRCW060312K1FKEA |
R10 | 1 | 18.7k | RES, 18.7 k, 1%, 0.1 W | 0603 | CRCW060318K7FKEA |
R12 | 1 | 48.7k | RES, 48.7 k, 1%, 0.1 W | 0603 | CRCW060348K7FKEA |
R16, R25 | 2 | 40.2k | RES, 40.2 k, 1%, 0.1 W | 0603 | CRCW060340K2FKEA |
R17, R22, R37 | 3 | 17.4k | RES, 17.4 k, 1%, 0.1 W | 0603 | CRCW060317K4FKEA |
R19, R38 | 2 | 28.7k | RES, 28.7 k, 1%, 0.1 W | 0603 | CRCW060328K7FKEA |
R21 | 1 | 15.4k | RES, 15.4 k, 1%, 0.1 W | 0603 | CRCW060315K4FKEA |
R23, R40 | 2 | 53.6k | RES, 53.6 k, 1%, 0.1 W | 0603 | CRCW060353K6FKEA |
R24 | 1 | 21.5k | RES, 21.5 k, 1%, 0.1 W | 0603 | CRCW060321K5FKEA |
R30 | 1 | 26.1k | RES, 26.1 k, 1%, 0.1 W | 0603 | CRCW060326K1FKEA |
R31 | 1 | 11.5k | RES, 11.5 k, 1%, 0.1 W | 0603 | CRCW060311K5FKEA |
R33 | 1 | 16.2k | RES, 16.2 k, 1%, 0.1 W | 0603 | CRCW060316K2FKEA |
R34 | 1 | 22.1k | RES, 22.1 k, 1%, 0.1 W | 0603 | CRCW060322K1FKEA |
R35 | 1 | 30.1k | RES, 30.1 k, 1%, 0.1 W | 0603 | CRCW060330K1FKEA |
R39, R41, R42 | 3 | 10.7k | RES, 10.7 k, 1%, 0.1 W | 0603 | CRCW060310K7FKEA |
TP1, TP2, TP8, TP11 | 4 | Test Point, Multipurpose, Red | Red TP | 5010 | |
TP3, TP6, TP7, TP12, TP14 | 5 | Test Point, Multipurpose, White | Black TP | 5012 | |
TP4, TP5, TP9, TP10, TP13, TP15 | 6 | Test Point, Multipurpose, Black | White TP | 5011 | |
U1, U2 | 2 | 18-V, 6A, Power Module | QFN-FCMOD51 | TPSM5D1806RDB | |
Not Loaded | |||||
C6, C23, C29, C47 | 0 | 7343-40 | |||
C2, C5, C9, C10, C13, C14, C17, C18, C21, C22, C25, C28, C32, C33, C36, C37, C41, C42, C45, C46 | 0 | 1206 | |||
C38 | 0 | 0603 | |||
R3, R4, R11, R14, R28, R29 | 0 | 0603 |