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UMFT231XC の電気的特性と機能

UMFT231XCのメーカーはFTDIです、この部品の機能は「USB to UART」です。


製品の詳細 ( Datasheet PDF )

部品番号 UMFT231XC
部品説明 USB to UART
メーカ FTDI
ロゴ FTDI ロゴ 




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UMFT231XC Datasheet, UMFT231XC PDF,ピン配置, 機能
UMFT231XC Datasheet
Version 1.0
Document Reference No.: FT_000521 Clearance No.: FTDI# 273
Future Technology
Devices International
Ltd
Datasheet
UMFT231XC USB to UART
with Battery Charger
Support
UMFT231XC is a USB to UART development module with battery charging support.
1 Introduction
UMFT231XC is a development module designed
primarily for evaluating the battery charging
feature of FTDI’s X-Chip range of USB-interface
bridging ICs. This module is suitable for charging
single cell lithium-ion batteries.
UMFT231XC utilises an FT231XS and a battery
charging IC. FT231XS is one of the devices from
FTDI’s range of USB interface bridging IC devices.
FT231X is a USB to UART interface with a battery
charger detection feature, which can allow
batteries to be charged with a higher current from
a dedicated charger port (without the FT231X
being enumerated).
The module includes a LTC4053EDD, which is a
lithium-ion battery charger with thermal
regulation. FTDI X-Chips are designed to operate
with battery charger chips, such as the
LTC4053EDD, to facilitate charging a battery of a
device via USB slave port, with either 1 Amp of
current from a dedicated charger port or with up to
500mA from a USB host without violating USB
compliance regulations. The X-Chip family are
designed to implement this feature without the
requirement of external MOSFET or controller chips
to regulate the current divider network of the
LTC4053 chip.
The on-chip MTP ROM of the FT231XS is
programmed by default to support this specific
battery charging application. The MTP ROM can be
reconfigured to allow for adjustments using
FT_Prog. FT_Prog is available for free download
from the FTDI website.
1.1 Features
The UMFT231XC is fitted with a FT231XS. For a
full list of the FT231X’s features please see the
FT231X datasheet which can be found at the FTDI
website.
In addition to the features listed in the FT231X
datasheet, the UMFT231XC has the following
features:
Configured with a LTC4053EDD lithium-ion
battery charger
3 way 3.5mm screw terminal for connecting a
battery to the module
Thermal regulation safety feature
10 pin 0.1” female header used for UART
signals, 12 pin 0.1” female header for Power
and control
Status LEDs
Mini USB-B connector
Power MOSFET for suspending power supplied
to an external circuit from USB bus when in
USB suspend mode
Applications include
Prototyping and evaluating battery charging of
a device via a USB port
USB to UART communications
Use of FTDI devices in life support and/or safety applications is entirely at the user’s risk, and the user agrees
to defend, indemnify and hold harmless FTDI from any and all damages, claims, suits or expense resulting
from such use.

1 Page





UMFT231XC pdf, ピン配列
UMFT231XC Datasheet
Version 1.0
Document Reference No.: FT_000521 Clearance No.: FTDI# 273
2 Driver Support
Royalty-Free VIRTUAL COM PORT
Drivers (VCP) for:
Windows 7 32,64-bit
Windows Vista
Windows XP 32,64-bit
Windows XP Embedded
Windows CE.NET 4.2 , 5.0 and 6.0
MAC OS OS-X
Linux 3.0and greater
Android
Royalty-Free D2XX Direct Drivers
(USB Drivers + DLL S/W Interface) for:
Windows 7 32,64-bit
Windows Vista
Windows XP 32,64-bit
Windows XP Embedded
Windows CE.NET 4.2, 5.0 and 6.0
MAC OS OS-X
Linux 3.0 and greater
Android
The drivers listed above are all available to download for free from www.ftdichip.com. Various 3rd Party
Drivers are also available for various other operating systems - visit www.ftdichip.com for details.
3 Ordering Information
Module Code
UMFT231XC-01
Utilised IC Code
FT231XS
Description
USB to UART evaluation module with battery charger support.
3
Copyright © 2012 Future Technology Devices International Limited


3Pages


UMFT231XC 電子部品, 半導体
UMFT231XC Datasheet
Version 1.0
Document Reference No.: FT_000521 Clearance No.: FTDI# 273
4.5 Jumper Configurations
JP1 is used to reconfigure the power sourced by the switched power net controlled by the CBUS1 line
connected to a MOSFET.
Jumper
No.
Shorted
Pins
Factory
Settings
Description
Source switchable power from USB VBUS input. With a default configuration
JP1
Pin1-2
Default
Setting
SWPWR power is shutdown when the FT231X has not enumerated. This
function supports limiting the current flow through the USB bus while in
suspend to meet USB compliancy regulations.
JP1 Pin2-3
- Source switchable power from battery.
Table 4.5 Solder Links JP1 Pin Description
JP2 is used to adjust the UMFT231XC to facilitate for a battery with or without an NTC line. If a battery has an NTC
line, pin 2 of CN2 should be connected to the NTC pin of the battery charger, however if there is no LTC line available
the NTC pin of the battery charger should be tired to ground using this jumper.
Jumper
No.
Shorted
Pins
Factory
Settings
Description
JP2 Pin1-2
If the charged battery has an NTC line. Connect the line to CN2 pin 2 and
- configure JP2 to this mode. NTC is a temperature sensing safety feature used
to prevent the battery overheating.
If there is no NTC line available, then configure JP2 to this jumper setting.
JP2
Pin2-3
Default
Setting
This setting shorts the UMFT231XC’s NCT line to ground. This indicates that
NCT is not available, and allows the battery charger to function without this
function.
Table 4.6 Solder Links JP2 Pin Description
4.6 LEDS
The SWPWR LED illuminates when the SWPWR net is powered up. With the default MTP ROM
configuration power to SWPWR is switched on and off by PWREN# to the MOSFET Q1. Q1 will be on when
enumerated and off when not enumerated. SWPWR can be sourced from either VBUS or VBATT
depending on the setting of JP1.
The ACPR# LED illuminates when voltage supplied to VBUS is above the under-voltage lockout threshold
and at least 35mV above VBATT (which means the voltage supplied is suitable for charging).
The CHRG# LED illuminates when the battery is being charged.
The FAULT# LED illuminates when a fault is detected. These detected faults can be either NTC being out
of range and a timeout occurring under trickle charge conditions.
6
Copyright © 2012 Future Technology Devices International Limited

6 Page



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共有リンク

Link :


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USB to UART

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