IP2721

V1.02

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Copyright © 2017, Injoinic Corp.

TYPEC/PD2.0/PD3.0 Physical Layer IC for USB TYPEC input Interfaces

1. Features



Support TYPEC/PD2.0/PD3.0 UFP mode for USB

TYPEC input port



Auto-detect USB connection condition



Integrate USB Power Delivery (PD2.0/PD3.0)

protocol



Integrate hardware bi-phase Mark Coding

(BMC) over CC



Integrate physical layer



Hardware CRC protect data integrity



Integrate PD2.0/PD3.0 protocol UFP engine



Support hardreset



Integrate USB TYPEC protocol



Power management



VBUSG control the power rail by the external

NMOS, depending on CC negotiation state



IP2721: SEL configure the maximum PD

request voltage as 20V, 15V or 5V



IP2721_MAX12: SEL configure the maximum

PD request voltage as 12V, 9V or 5V



Support VBUS soft start



Working voltage: 3V~25V



Package: TSSOP16

2. Description

IP2721 is a USB TYPEC/PC2.0/PD3.0 physical

layer protocol IC for USB TYPEC input port, support

auto-detect USB port connection through CC1 and

CC2. Integrate hardware PD protocol, analyze PD

protocol to get source capabilities and request

appropriate voltage accordingly.

3. Typical Applications



USB TYPEC input port for Power Banka, cell

phone, wireless charging dock, VR box and UAV

etc.

4. Typical Application Schematic

CC1

CC2

GND

VIN

SEL

VBUSG

3V~20V

10uF

VBUS

IP2721

Current

NMOS

USB C

Connector

GND

GND

VBUS

CC1

CC2

VBUS

1uF

Load

SEL

Voltage

(IP2721)

High

20V

Float

15V

GND

5V

5.1kOhm

5.1kOhm

2

1

16

11

12

13

5

Voltage

(IP2721_MAX12)

12V

9V

5V