Texas Instruments UCD3138OL40EVM-032 Manuale utente

Using the UCD3138OL40EVM-032

User's Guide

Literature Number: SLUUA80

January 2013

User's Guide

SLUUA80–January 2013

Using the UCD3138OL40EVM-032

1 Introduction

UCD3138OL40CEVM-032 EVM offers an easy to use test platform for stand-alone evaluation of Texas

Instruments’ UCD3138 highly integrated digital controller that is optimized for isolated power applications.

Featuring a 40-pin socket and comprehensive set of test points, the EVM allows hardware and firmware

engineers to manipulate signals on the different pins of the device individually and study open loop

operation. The EVM also offers the flexibility to realize simple closed loop control configurations (eg. using

RC circuits to filter PWM output signals and regulate a DC voltage in closed loop control). Hardware ports

available to communicate with the device include PMBus, UART and JTAG. The EVM accepts up to 5-V

DC input and an on-board 3.3-V LDO can be used to bias the device. Alternately, using jumpers, the

device can be biased using the PMBus communication pins.

NOTE: In order to download firmware and program the UCD3138 device in UCD3138OL40EVM-

032, a separate EVM from Texas Instruments known as the USB-TO-GPIO Adapter is

required. The USB-TO-GPIO Adapter is NOT supplied with UCD3138OL40EVM-032 and

must be purchased separately. The USB-TO-GPIO Adapter serves as a communication

interface adaptor or a bridge between a host PC and the UCD3138 via a standard type-A to

mini-B USB cable. The USB-TO-GPIO Adapter is listed below in the related products

section.

2 Description

The UCD3138OL40EVM-032 is an EVM board used to facilitate the evaluation on the UCD3138RHA

digital power controller. This EVM provides hardware needed to evaluate UCD3138 40-pin device. All pins

of UCD3138RHA are accessible through header connections, including all GPIO pins, ADC12 pins, front

end pins, DPWM pins, and Fault pins, etc. Particularly, the board has terminal of PMBus, UART DB-9

RS232, and JTAG. All headers can be jumped to configure for a particular interested evaluation need.

2.1 Typical Applications

• UCD3138RHA Function Evaluation

• Firmware Debug

• Hardware Design Assistance

2.2 Features

• Drop-In Socket to Flexible Change the Device

• External 5.0-V Supply or PMBus Bias Supply

• JTAG Connector

• UART Connector, DB-9, RS232

• LED Indicators

• PMBus Connector to PC Computer Connection Through USB-to-GPIO Adapter

• Rich Test Points to Facilitate the Device's Evaluation, System Design and Circuit and Firmware

Debugging

• Board with Jumpers (to make flexible configuration to adapt various evaluation target)

2Using the UCD3138OL40EVM-032 SLUUA80–January 2013

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Electrical Specifications

3 Electrical Specifications

Table 1. UCD3138OL40EVM-032 Specifications

PARAMETER CONDITION MIN TYP MAX UNITS

Connector J1

JTAG Standard JTAG communication connection Standard

Connector J3

PMBus connector Port of connection to USB-to-GPIO, pin definition refer Standard

to TI standard USB-to-GPIO document SLLU093

Connector J4

UART Female DB-9, RS232 Standard

Connector J5

JTAG Standard JTAG communication connection Standard

Connector J38

J38-4 Port to use 3.3 V on board to bias external circuit 3.25 3.30 3.45 VDC

J38-3 External 5.0 V to board 4.90 5.00 5.10

J38-2 External 3.3 V to board 3.27 3.30 3.33

J38-1 Digital ground DGND

Operation Environment

Operating temperature range Natural convection 25 °C

Mechanical Characteristics

Dimensions Width 4.0 inches

Length 6.0

Component height 0.5

Firmware for Testing

Filename PWR032_UART0.x0

PWR032_Test_2.x0

SLUUA80–January 2013 Using the UCD3138OL40EVM-032

AGND

Local Decoupling

Reset

UCD3138 40 Pin Socket

C44

1000pF

C34

1uF

C45

1000pF

C26

0.1uF

C43

1uF

C37

1000pF

C25

0.1uF

C30

0.1uF

R59

20k

C31

0.1uF

XU1

40QN50S16060

R53 0

R50 0

R51 0

R52 0

R54 0

R55 0

R56 0

R57 0

V33A

[1,2,4,8]

+3_3V

[1,2,4,5,6,9]

BP18

[1,2]

/RESET

[1,2,5]

DGND

+3_3V

AGND

AD13

[2,3]

AD06

[2,3]

AD04

[2,3]

AD03

[2,3]

/RESET

[1,2,5]

PWM0/SYNC/TCAP/ADC_EXT/ADC_EXT

[2,4,5]

PMBUS_CLK

[2,5,6]

PMBUS_DATA

[2,5,6]

AD02

[2,3]

AD01

[2,3]

AD00

[2,3]

V33A

[1,2,4,8]

EAP2

[2,3]

EAP1

[2,3]

EAP0

[2,3]

BP18 [1,2]

+3_3V [1,2,4,5,6,9]

FAULT2 [2,5]

TMS [2,5]

TDI/SCI_RX0/FAULT1 [2,4,5]

TDO/SCI_TX0/FAULT0 [2,4,5]

TCK/TCAP/SYNC/PWM0 [2,4,5]

DPWM0A

[2,5,7]

DPWM0B

[2,5,7]

DPWM1A

[2,5,7]

DPWM1B

[2,5,7]

DPWM2A

[2,5,7]

DPWM2B

[2,5,7]

DPWM3A

[2,5,7]

DPWM3B

[2,5,7]

PMBUS_ALERT

[2,5,6]

PMBUS_CTRL

[2,5,6]

DGND

Schematics

www.ti.com

4 Schematics

Figure 1. UCD3138OL40EVM-032 Schematics (socket) 1 of 9

4Using the UCD3138OL40EVM-032 SLUUA80–January 2013

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Add socket orientation

Fault test jumpers

Ground strip

J32

J28

J29

R39

10k

R49

10k

TP17

R44

10k

J40

J26

J30

J36

J37

J27

J31

J24

J25

DGND

+3_3V

AGND

[1,2,3,4,8,9]

AD13

[1,3]

AD04

[1,3]

AD03

[1,3]

AD06

[1,3]

DPWM0A

[1,5,7]

DPWM0B

[1,5,7]

DPWM3A

[1,5,7]

DPWM3B

[1,5,7]

DPWM1A

[1,5,7]

DPWM1B

[1,5,7]

DPWM2A

[1,5,7]

DPWM2B

[1,5,7]

PMBUS_ALERT

[1,5,6]

PMBUS_CTRL

[1,5,6]

TDO/SCI_TX0/FAULT0

[1,2,4,5]

TDI/SCI_RX0/FAULT1

[1,2,4,5]

FAULT2

[1,2,5]

AGND

DGND

[1,2,4,5,6,7]

/RESET

[1,5]

PWM0/SYNC/TCAP/ADC_EXT/ADC_EXT

[1,4,5] PMBUS_CLK

[1,5,6]

PMBUS_DATA

[1,5,6]

AGND[1,2,3,4,8,9]

AGND [1,2,3,4,8,9]

BP18 [1]

+3_3V[1,2,4,5,6,9]

DGND[1,2,4,5,6,7]

FAULT2 [1,2,5]

TMS [1,5]

TDI/SCI_RX0/FAULT1

[1,2,4,5]

TDO/SCI_TX0/FAULT0

[1,2,4,5]

TCK/TCAP/SYNC/PWM0

[1,4,5]

AD02 [1,3]

AD01 [1,3]

AD00 [1,3]

V33A[1,4,8]

AGND

[1,2,3,4,8,9]

EAP2 [1,3]

AGND [1,2,3,4,8,9]

EAP1[1,3]

AGND [1,2,3,4,8,9]

EAP0 [1,3]

www.ti.com

Schematics

Figure 2. UCD3138OL40EVM-032 Schematics (headers) 2 of 9

SLUUA80–January 2013 Using the UCD3138OL40EVM-032

EADC Filters ADC12 Filters

Filter or Address Resistor Filter or Address Resistor

R38

C29

100pF

R37

C28

100pF

R36

C27

100pF

R25

100

C16

1000pF

R24

100

C14

1000pF

R32

100

C23

1000pF

R46

100

C35

1000pF

R48

100

C39

1000pF

R43

100

C33

1000pF

R42

100

C32

1000pF

R28

22.6k

R29

44.2k

C13

1000pF

C15

1000pF

3J21

3J20

TP7

AGND

EAP0S

[8]

EAP0 [1,2]

AGND

EAP1S

[8]

EAP1 [1,2]

AGND

EAP2 [1,2]

AGND

AD00S

[8]

AGND

AD01S

[8]

AGND

AD02S

[8]

AD02 [1,2]

AGND

AD03S

[8]

AD03 [1,2]

AGND

AD04S

[8]

AD04 [1,2]

AGND

AD06S

[8] AD06 [1,2]

AGND

AD13S

[8] AD13 [1,2]

AGND

AD00

[1,2] AD01

[1,2]

EAP2S

Schematics

www.ti.com

Figure 3. UCD3138OL64EVM-031 Schematics (filters) 3 of 9

6Using the UCD3138OL40EVM-032 SLUUA80–January 2013

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Ext +3.3V IN

+3.3V OUT

3.3V

GND1

GND

Power & LEDs

Holes for standoffs

Ext +5V IN

1Parts not used

J33

TP10

TP16

R58

200

+C42

10uF

C41

10uF

C36

10uF

C38

1.0uF

J39

J34

J38

TP13 TP4

C40

1.0uF

1IN

2GND

3EN 4

OUT

TPS76333DBVT

R19

10K

LTST-C190YKT

10K

LTST-C190CKT

100

R11

100

R18

4.7K

Q1 MMBT3904TT1G Q2

SH1

TH-SCREW#6_PLATED

1M2

TH-SCREW#6_PLATED

LTST-C190YKT

R34

V33A [1,2,8]

USB_V33

[6]

+3_3V

[1,2,4,5,6,9]

DGND

+3_3V

[1,2,4,5,6,9]

PWM0/SYNC/TCAP/ADC_EXT/ADC_EXT

[1,2,5]

TDO/SCI_TX0/FAULT0

[1,2,5]

TDI/SCI_RX0/FAULT1

[1,2,5]

TCK/TCAP/SYNC/PWM0

[1,2,5]

+3_3V

[1,2,4,5,6,9]

DGND

AGND

+3_3V [1,2,4,5,6,9]

AGND

+5V_EXT

DGND DGND

+3_3V

[1,2,4,5,6,9]

www.ti.com

Schematics

Figure 4. UCD3138OL40EVM-032 Schematics (bias and LEDs) 4 of 9

SLUUA80–January 2013 Using the UCD3138OL40EVM-032

JTAG Connector Logic Analyzer Connector

UART PC Connection

1Parts not used

R9 10K

R10 10K

10K

R6 0

TP12 TP15

TP14

TP11

910

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

29 30

31 32

33 34

35 36

37 38

3940414243

J35

TP1

0.1uF

TP2

0.1uF

TP3

C10

0.1uF

1EN

2C1+

3V+

4C1-

5C2+

6C2-

7V-

8R1IN 9

R1OUT

INVALID

T1IN

FORCEON

T1OUT

GND

VCC

FORCEOFF

SN75C3221DBR

0.1uF

J16

J17

+3_3V

[1,2,4,5,6,9]

TCK/TCAP/SYNC/PWM0

[1,2,4]

TDO/SCI_TX0/FAULT0

[1,2,4,5]

+3_3V

[1,2,4,5,6,9]

TDI/SCI_RX0/FAULT1

[1,2,4,5]

+3_3V

[1,2,4,5,6,9]

TMS

[1,2]

DPWM3B [1,2,7]

DPWM3A [1,2,7]

DPWM2A [1,2,7]

DPWM1B [1,2,7]

DPWM0B[1,2,7]

DPWM0A [1,2,7]

DPWM2B [1,2,7]

DPWM1A [1,2,7]

PMBUS_DATA [1,2,6]

PMBUS_CLK [1,2,6]

/RESET

[1,2]

PWM0/SYNC/TCAP/ADC_EXT/ADC_EXT

[1,2,4]

FAULT2

[1,2] PMBUS_ALERT

[1,2,6]

PMBUS_CTRL [1,2,6]

+3_3V

[1,2,4,5,6,9]

DGND

TDO/SCI_TX0/FAULT0

[1,2,4,5]

TDI/SCI_RX0/FAULT1

[1,2,4,5]

Schematics

www.ti.com

Figure 5. UCD3138OL40EVM-032 Schematics (UART and JTAG) 5 of 9

8Using the UCD3138OL40EVM-032 SLUUA80–January 2013

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V+

PMBD

PMBCTRL1

PMBCTRL2

PMBCTRL5

PMBCTRL4

PMBC

PMBALERT

PMBCTRL3

PMBus Interface

GND

PMBus Pull Up Jumpers

R13 33

R14 33

R20 33

R12 33

AZ23C5V1

R23

1.5K

R22

1.5K

J10

R33

1.5K

J42

PMBUS_ALERT

[1,2,5,6]

PMBUS_CLK

[1,2,5,6]

PMBUS_DATA

[1,2,5,6]

PMBUS_CTRL

[1,2,5]

DGND

PMBUS_DATA

[1,2,5,6]

PMBUS_CLK

[1,2,5,6]

+3_3V

[1,2,4,5,9]

USB_V33

PMBUS_ALERT

[1,2,5,6]

www.ti.com

Schematics

Figure 6. UCD3138OL40EVM-032 Schematics (PMBus) 6 of 9

SLUUA80–January 2013 Using the UCD3138OL40EVM-032

DPWM Filters

1 1 Parts not used

TP8

J22

C19

1000pF

R30

C21

1uF

TP9

J23

C22

1000pF

R31

C20

TP5

J14

C11

1000pF

R26

C17

1000pF

TP6

J15

C18

1000pF

R27

C12

1000pF

DPWM0A

[1,2,5]

DPWM0B

[1,2,5]

FLTR-DPWM0

[8]

DGND

DPWM1A

[1,2,5]

DPWM1B

[1,2,5]

FLTR-DPWM1

[8]

DGND

DPWM2A

[1,2,5]

DPWM2B

[1,2,5]

FLTR-DPWM2

[8]

DGND

DPWM3A

[1,2,5]

DPWM3B

[1,2,5]

FLTR-DPWM3

[8]

DGND

Schematics

www.ti.com

Figure 7. UCD3138OL40EVM-032 Schematics (DPWM) 7 of 9

10 Using the UCD3138OL40EVM-032 SLUUA80–January 2013

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