Cypress EZ-PD CY4533 Manual - Page 7

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2. Hardware

2.1 Board Details

VBUS Selector

Switch (SW1)

FAULT LED

BCR Controller

(

CYPD3177-24LQXQ)

3.3V output

From BCR

GPIO Header

Table 2-1

lists the components of the CY4533 BCR EVK. A detailed Bill-of-Materials list is available in the design files on

the kit

webpage

REFDES

Component

EZ-PD BCR Controller

Type-C Connector

SW1

Rotary Switch

PFET as a Load Switch

R3, R5

VBUS_MAX Resistor Selector

R11, R14

VBUS_MIN Resistor Selector

R10, R12

ISNK_COARSE Resistor Selector

R13, R4

ISNK_FINE Resistor Selector

CY4533 EZ-PD™ BCR Evaluation Kit Guide, Document Number: 002-25263 Rev. *B

Figure 2-1. CY4533 EVK Top and Bottom Details

TOP

Terminal Block

(DC_OUT)

Safe 5V Output

5A PFET

(Load Switch)

Type-C Connector

VBUS Power LED

Table 2-1. A Brief List of Components in the CY4533 EVK

Barrel Connector Replacement Controller i.e. CYPD3177-24LQXQ device

(referred to as "BCR" through this document). This manages the USB Type-C port

and controls the load switch (PFET).

A power-only USB Type-C connector.

A single-pole 5-throw switch. Set this switch to different positions to change the

maximum voltage negotiated on VBUS. See

for details

A back-to-back PMOSFET used as a load switch isolating the system power from

VBUS. See

Resistor dividers that set the maximum and minimum voltage that BCR will

negotiate with the USB Type-C charger. See

for details.

Resistor dividers that set the coarse and fine settings for minimum current that

BCR device will negotiate with the USB Type-C charger. See

Current Selectors

BOTTOM

Description

DC Power Transfer System

for details.

VBUS Voltage

Selectors

VBUS Current

Selectors

VBUS Voltage and Current Selectors

VBUS Voltage and