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FUSB303B Datasheet

Autonomous USB Type-C Controller

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FUSB303B Autonomous USB
Type-CE Port Controller with
I2C and GPIO Control
FUSB303B 
Description
The FUSB303B device is a fully autonomous USB TypeCt
controller optimized for 15 W or less applications. The FUSB303B
offers CC logic detection for Source Port role, Sink Port role, DRP,
and accessory detection support, as well as Dead Battery support as
defined in USBC specifications. The FUSB303B features
configurable address I2C access to support multiple ports per system
or it can operate autonomously configured by just pins. The
FUSB303B features ultralow power during operation, and an
ultrathin, 12Lead QFN package.
Features
Fully Autonomous USBCt Port Controller
Supports Latest TypeCt Specification Release 1.3
Source, Sink, and DRP Port role Configuration with Optional
Accessory Support
Try.SRC and Try.SNK modes for Preferring Source Role or Sink
Role Respectively
VDD Operating Range, 2.855.5 V
Typical Low Power Operation: ICC < 10 mA
GPIO and I2C Configuration
Max 28 V DC Tolerance on ID, VBUS_DET, CC1 and CC2
Dead Battery Support (Sink Port role when No Power Applied)
4 kV HBM ESD Protection for Connector Pins
Small Packaging, 12 Lead QFN
(1.6 mm × 1.6 mm × 0.375 mm)
Applications
Smartphones
Tablets
Laptops
Accessoires
Industrial
Power Banks
www.onsemi.com
QFN12
CASE 722AG
MARKING DIAGRAM
UNKK
_XYZ
1
UN
= FUSB303B Device Code
KK
= Lot Trace Code
_
= Pin #1 Identifier
XY
= Two Digit Date Code
Z
= Assembly Plant Code
ORDERING INFORMATION
See detailed ordering and shipping information on page 17 of
this data sheet.
© Semiconductor Components Industries, LLC, 2020
1
April, 2020 Rev. 1
Publication Order Number:
FUSB303B/D


  ON Semiconductor Electronic Components Datasheet  

FUSB303B Datasheet

Autonomous USB Type-C Controller

No Preview Available !

1.8V VDDIO
ID
Processor
(I2C master
section)
INT_N
SDA
SCL
FUSB303B
(debug boot signals)
SYSTEM TEST
BOOT
PMID
SW
FAN 54511
3.2A Charger
BAT
VBUS
SYS
VBUS
4.7μF
PORT/
DEBUG_N
VDD
ID
VBUS_DET
FUSB303B
INT_N /
OUT3
SDA /
OUT1
SCL /
OUT2
I2 C
Slave
VDD
SRC, SRC+Acc,
SNK, SNK+Acc,
DRP & DRP+Acc
State Machines
Osc
CC Switches,
I(Rp)/Rd &
Comparators Block
BG
CC1
CC2
EN_N
GND
Figure 1. Typical I2C Application
900k
ADDR/
ORIENT
(debug boot signals) SYSTEM
TEST
BOOT
PMID
SW
FAN54511
3.2A Charger
BAT
VBUS
VBUS
GPIO[4]
Internal pullup
If no processor available,
tie ID to gate of Source
PMOSFET, EN_N to GND
and leave SDA/OUT1 &
SCL/OUT2 unconnected.
GPIO[1]
SNK or SRC
Internal pullup
GPIO[1:2]=10/11: default
GGPPPIrOIOo[1c[1:e2:2]s=]s=0o010r: :13.5AA
(USB2.0/3.1 PHY
section)
GPIO[2]
Internal pullup
INT_N /
OUT3
SDA /
OUT1
SCL /
OUT2
PORT/
DEBUG_N
SYS
VDD
FUSB303B
ID
VBUS_DET
I2 C
Slave
VDD
SRC, SRC+Acc,
SNK, SNK+Acc,
DRP & DRP+Acc
State Machines
Osc
CC Switches,
I(Rp)/Rd &
Comparators Block
BG
CC1
CC2
GPIO[3]
EN_N
GND
ADDR/
ORIENT
SS Tx1/Rx1
SS Tx2/Rx2
USB 2.0
& 3.1
PHY
SS Tx/Rx
S
FUSB340
(USB 3.1
2:1 MUX)
Figure 2. Typical GPIO Application
www.onsemi.com
2


Part Number FUSB303B
Description Autonomous USB Type-C Controller
Maker ON Semiconductor
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