ST STEVAL-ISC004V1 Manuale utente

Introduction

The STEVAL-ISC004V1 evaluation board is a ready-to-use USB PD source based on STUSB4710A and ST1S14 ICs. It

demonstrates how to convert a fixed voltage DC power input into a USB PD variable voltage output.

The STUSB4710A acts as a Type-C port interface that ensures power delivery advertising and negotiation, drives the DC-to-DC

converter and power paths, and monitors VBUS voltage.

The ST1S14 device manages the step down conversion from the DC input port to the negotiated VBUS voltage.

The various LEDs indicate the operating status of the STUSB4710A and USB PD port.

The USB PD port is pre-configured with five different PDOs to address a broad range of applications (5 V, 9 V, 12 V, 15 V and

20 V).

Figure 1. STEVAL-ISC004V1 evaluation board

Getting started with the STEVAL-ISC004V1 evaluation board for the

STUSB4710A USB PD controller with on-board DC-DC

UM2293

User manual

UM2293 - Rev 2 - May 2019

For further information contact your local STMicroelectronics sales office.

www.st.com

1USB PD board overview

The STEVAL-ISC004V1 USB Type-C™ port is pre-configured with 5 PDOs at fixed voltage node (5 V, 9 V, 12 V,

15 V and 20 V).

The ST1S14 DC-DC is used as a step-down converter.

The STEVAL-ISC004V1 evaluation board features:

• 1 x USB PD port (source)

• STUSB4710A USB power delivery controller

• Compliant with:

– USB Type-C r1.2

– USB PD r2.0

• On-board DC-DC

• VBUS power switches and discharge path

• Support for up to 5 power data objects (PDO)

• Short-to-VBUS protections on CC pins (22 V) and VBUS pins (28 V)

• Customizable start-up profiles

• Compatible with NUCLEO-F072RB board for configuration and debug interface

• RoHS compliant

Figure 2. STEVAL-ISC004V1 functional diagram

1.1 How to use the board

Step 1. Connect a DC source with a minimum voltage of 22 V to either J0 DC socket or pins J0-A and J0-B.

Step 2. Connect the Type-C receptacle J2 to any device with a USB Type-C port using a USB Type-C to Type-

C cable. The green LED D12 lights up when a device is connected and the VBUS supply is present.

D12 lighting intensity changes according to the VBUS voltage value.

The STUSB4710A I²C interface can be used to customize application parameters: PDO, VBUS under

and overvoltage limits, VBUS discharge time, etc.

UM2293

USB PD board overview

UM2293 - Rev 2 page 2/14

Figure 3. STEVAL-ISC004V1 connected to PNUCLEO-USB001 as a sink

UM2293

How to use the board

UM2293 - Rev 2 page 3/14

2Schematic diagram

Figure 4. STEVAL-ISC004V1 circuit schematic

GND

Small signal

Power plane

GND

VIN OUT-ST1

GND

ALERT#

RESET

STM32_P

STM32_N

3V3_Nuc 5V_Nuc

P1 P2

P10

P13

P10

P13

GND GND

3V3_Nuc

5V_Nuc

3V35V

GND

J0-A

VIN

J0-B

GND C2

10µF

C2'

10µF

220nF

C1 100nF

Boot 1

Vin

GND

EN2

/EN1

3FB 4

PG 2

SW 8

ST1S14PHR

STPS5L25B

J1-A

Vsrc

L1 68µH

200K

C4 100pF

C4' NC

C5a

220µF

C5b

22µF

R1 NC

R33

2k2

R34

2k2

3V3 3V3

SCL

SDA

13k

4k7

4k87

8k66

33k

ME-03

ME-01 ME-05 ME-06

VSel_20V

VSel_15V

VSel_12V

VSel_9V

D51

1N4004

GND

Tx+1

Tx-1

Vbus

CC1

D+1

D-1

Sbu1

Vbus

Rx-2

A10

Rx+2

A11

GND

A12 GND B1

Tx+2 B2

Tx-2 B3

Vbus B4

CC2 B5

D+2 B6

D-2 B7

Sbu2 B8

Vbus B9

Rx-1 B10

Rx+1 B11

GND B12

TYPE C

USB 3.1

C51

10µF

tcD_N tcD_P

RD1

200

GND

tcD_N

tcD_P

tcD_N

tcD_P

CC1

CC2

GND GND

SB7

SB8

P10

P13

SB1

SB2

SB6

SB10

SB13

VBUS 1

D- 2

D+ 3

GND 5

ID 4

J55

Micro B

C55 4.7nF

C56

1µF

I/O1

GND

I/O2I/O2

Vbus

I/O1

U55

USBLC6

GND

D_N

D_P

STM32_N

STM32_P

GND

R55 1M

R61

4k7

LD62

LD61

R62

4k7

GND GND

3V3

GND

IN OUT

TLV70133

D2 C8

1µF

10µF

Vsrc

GND

T45

R46

3k9

R45

150k

LD12

Vbus Vbus

C5c 1µF

VSel_PDO5

VSel_PDO4

VSel_PDO3

VSel_PDO2

VDD

VReg_2V7

VReg_1V2

VBUS_DISCH 19

VBus_EN_SRC 20

SCL

SDA

Addr0

SEL_PDO2

SEL_PDO3

SEL_PDO4

SEL_PDO5

GND

CC2 4

CC1 2

VBus_Sense 18

ExpPAD

U1A

STUSB4710A

SCL

SDA

R51

2V7

GND GND

GND

1V22V7

C6 1µF

C7 1µF

R52

100k

J50

GND

D52

ESDA25L

CC1

CC2

GND

T35

STR2P3LLH6

R36

10k

R35

820

R42

22k

R41

47k

T41A

Si4925DD Y

T41B

Si4925DD Y

VBus_EN_SRC

VBus_DISCH

GND

J2-B

GND

J2-A

Vbus

Power Control

Vbus

USB-Nucleo Interface for I2C Access

Autonomous USB PD controller

with integrated discharge path

UM2293

Schematic diagram

UM2293 - Rev 2 page 4/14

3Bill of materials

Table 1. STEVAL-ISC004V1 bill of materials

Item Q.ty Ref. Part/Value Description Manufacturer Order code

1 1 C1 100nF, 50V

±10%

Capacitor X7R

0603 Würth Elektronik 885012206095

2 3 C2, C2',

C51

10µF, 25V

±20% 1206

Capacitor X5R

1206 Würth Elektronik 885012108021

3 1 C3 220nF, 100V

±10% 1206

Capacitor X7R

1206 Würth Elektronik 885012208089

4 1 C4 100pF, 50V

±5%

Capacitor COG

0603 Würth Elektronik 885012006057

5 1 C5a 220µF 35V

±20%

Capacitor Electro

P 3.5mm D 8mm H

11.5mm

Würth Elektronik 860020574012

6 1 C5b 22µF, 25V

±20%

Capacitor X5R

1210 Würth Elektronik 885012109014

7 4

C5c,

C6, C7,

1µF, 50V

±20%

Capacitor X7R

0805 Würth Elektronik 885012207103

8 1 C9 10µF, 16V

±20%

Capacitor X5R

0805 Würth Elektronik 885012107014

9 1 C55 4.7nF, 50V

±10%

Capacitor X7R

0603 Würth Elektronik 885012206087

10 1 C56 1µF, 25V

±20%

Capacitor X5R

0603 Würth Elektronik 885012106022

11 2 D0, D51 22V, Vbr =

24.6

High power

transient voltage

suppressor,

QFN1610

ST ESDA25P35-1U1M

12 1 D1 60 V, 3 A Schottky Diode,

SMT, DO-214AA ST STPS3L60U

13 1 D2 40V, 300mA

Small signal

Schottky diode,

SOD123

ST BAT54ZFILM

14 1 D12 1.6 x 0.8 mm Green LED, 0603 Würth Elektronik 150060VS75000

15 1 D52 25V

Dual Transil Array

For ESD

Protection, SOT

23-3L

ST ESDA25L

16 1 D61 1.6 x 0.8 mm Yellow LED, 0603 Würth Elektronik 150060YS75000

17 1 D62 1.6 x 0.8 mm Red LED, 0603 Würth Elektronik 150060RS75000

18 1 J0 2.5x5.5mm

Right Angle PC

Mount DC Power

Jack, pin size 2.5

Würth Elektronik 694108301002

19 6

J0-A,

J0-B,

J1-A,

J2-A,

J2-B,

J50

1x2, 2.45mm

pitch

2-position

connector; header;

through hole

Würth Elektronik 61300211121

UM2293

Bill of materials

UM2293 - Rev 2 page 5/14

Item Q.ty Ref. Part/Value Description Manufacturer Order code

20 1 J1 2x8, 0.100"

(2.54mm)

16-position

receptacle

connector, through

hole gold

Würth Elektronik 61301621821

21 1 J2 USB 3.1 Type

Receptacle

Horizontal THR

WR-COM 1.6mm

PCB thickness,

SMT

Würth Elektronik 632723300011

22 1 J55 USB 2.0 Type

Micro B

SMT Horizontal 5

Contacts Würth Elektronik 629105136821

23 1 L1

68µH, 3.2A,

0.089Ω,

12x12x10mm

Inductor Würth Elektronik 7447709680

24 4

ME-01,

ME-03,

ME-05,

ME-06

M3 and 20mm

Spacer Screw - -

25 1 R2 200K ±1% 0603 SMD resistor - -

26 1 R3 13k ±1% 0603 SMD resistor - -

27 1 R4 4k7 ±1% 0603 SMD resistor - -

28 1 R5 4k87 ±1% 0603 SMD resistor - -

29 1 R6 8k66 ±1% 0603 SMD resistor - -

30 1 R7 33k ±1% 0603 SMD resistor - -

31 3

R33,

R34,

R61

2k2 ±5% 0603 SMD resistor - -

32 1 R35 820 ±5% 0805 SMD resistor - -

33 1 R36 10k ±5% 0603 SMD resistor - -

34 1 R41 47k ±5% 0603 SMD resistor - -

35 1 R42 22k ±5% 0603 SMD resistor - -

36 1 R45 150k ±5% 0603 SMD resistor - -

37 1 R46 3k9 ±5% 0603 SMD resistor - -

38 1 R52 100k ±5% 0603 SMD resistor - -

39 1 R55 1M ±5% 0603 SMD resistor - -

40 1 R62 4k7 ±5% 0603 SMD resistor - -

41 1 RD1 200 ±5% 0603 SMD resistor - -

42 5

SB8,

SB11,

SB15,

SB21,

SB25

0 ±5% 0603 SMD resistor

0R - -

43 1 T35 -30V, 0.048Ω

typ., -2A

P-channel

STripFET™ H6

Power MOSFET,

SOT 23-3L

ST STR2P3LLH6

44 1 T41 30V

Dual P-Channel

(D-S) MOSFET,

SO 8

Vishay Siliconix Si4925DDY

UM2293

Bill of materials

UM2293 - Rev 2 page 6/14

Item Q.ty Ref. Part/Value Description Manufacturer Order code

45 1 T45 60V, 300mA

N-channel Trench

MOSFET, SOT

23-3L

- 2N7002

46 1 U1 -

Autonomous USB

PD controller with

integrated

discharge path in

QFN24 4x4mm

ST STUSB4710AQTR

47 1 U2 3A out,

5.5V-48V in

step-down

switching

regulator, HSOP-8

ST ST1S14PHR

48 1 U3 24V in,

150mA, 3V3

Ultralow IQ Low-

Dropout Regulator,

SOT 23-5L

Texas Instruments TLV70133DBVT

49 1 U55 -

Very low

capacitance ESD

protection, SOT

23-6L

ST USBLC6-2SC6

UM2293

Bill of materials

UM2293 - Rev 2 page 7/14

4Board layout

Figure 5. STEVAL-ISC004V1: top layer

Figure 6. STEVAL-ISC004V1: bottom layer

UM2293

Board layout

UM2293 - Rev 2 page 8/14

Figure 7. STEVAL-ISC004V1: top silkscreen

Figure 8. STEVAL-ISC004V1: bottom silkscreen

UM2293

Board layout

UM2293 - Rev 2 page 9/14

Figure 9. STEVAL-ISC004V1: top assembly

Figure 10. STEVAL-ISC004V1: bottom assembly

4.1 Layout constraints

As the VBUS path can carry up to 3 A, power track between DC-DC, Power MOS and Type-C connector is large

enough.

Special care must be taken for DC-DC layout and thermal dissipation.

The STUSB4710A monitors VBUS and discharges the path. The monitoring signal should be separated from the

power signal and QFN exposed pad must be connected to global GND plane through vias to allow thermal

conduction.

UM2293

Layout constraints

UM2293 - Rev 2 page 10/14

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