STEVAL-PCN001V1 STMicroelectronics, STEVAL-PCN001V1 Datasheet



Manufacturer Part Number

Specifications of STEVAL-PCN001V1

Design Resources
STEVAL-PCN001V1 Gerber Files USB Demo Switch Schematic STEVAL-PCN001V1 Bill of Material
Main Purpose
Power Management, USB Power Switch: ARM7 Based
Utilized Ic / Part
Primary Attributes
User Selectable Current & Voltages
Secondary Attributes
USB Interface
Processor To Be Evaluated
Interface Type
Lead Free Status / RoHS Status
Lead free by exemption / RoHS compliant by exemption
Other names
The purpose of this board is to demonstrate the
features and capabilities of the ST204x and
ST205x USB power switches developed by
STMicroelectronics, using a Windows
host software application and one of several USB
low-speed microcontrollers from ST acting as a
peripheral device. The host software and the ST7
source code provides a clear picture of the power
switch capabilities. The USB communication
between host and the device is done through a
HID class based protocol developed specifically
for demonstration board applications. The
demonstration board incorporates a
microcontroller, programmable voltage regulator,
MOSFETS, switches and various resistive
networks. The on-board regulator can be
configured to supply various voltages by selecting
appropriate resistance from the resistive network
present at the adjust pin of the regulator. Different
voltages and loads can be selected from the PC
September 2008
For further information contact your local STMicroelectronics sales office.
Input parameters:
– Load current: 100 mA, 500 mA, 1 A or 2 A.
– Input voltage: 4.4 V, 4.75 V, 5.0 V or 5.25 V
– Under-voltage protection
– Power switch: enable or disable option on
Output parameters:
– PC executable software (USBPS_GUI) for
– PC executable software (DFUGUI) for
– ST7 firmware (C source code) for the
Larger loads can be applied by properly
changing the load resistance (R37)
the GUI to control the voltage on the enable
pin of the power switch
use with the demonstration board
upgrading the firmware by USB using the
DFU feature
ST72F62 microcontroller
USB power switch demonstration board
Rev 1
software, as well as through switches present on
the board. LEDs are provided on the board to
indicate the various combinations of input voltage
and load applied to the power switch. The board
has an ICC connector to program the
microcontroller Flash memory. An external 12 V
charge pump is also provided on the board to
allow the user to perform in-application
programming (IAP) of the microcontroller
embedded Flash program memory. Any type of
real load (e.g. USB speakers) can be powered
from this board by plugging in the connector
present on the board
Data Brief

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STEVAL-PCN001V1 Summary of contents

Page 1

... Flash program memory. Any type of real load (e.g. USB speakers) can be powered from this board by plugging in the connector present on the board Rev 1 Data Brief STEVAL-PCN001V1 1/4 4 ...

Page 2

... Board schematic 1 Board schematic Figure 1. Schematic diagram 2 AIN6 VR5 1 2 VR4 Adjust 1 VR3 VR1 34 22 VSSA TDO USBDM PB3 USBDP 36 20 PB4 37 19 USBVCC ICCCLK VDDA ICCDATA U2 PD5 42 14 PD4 PD3 USBVDD PD2 44 12 VSS STEVAL-PCN001V1 ...

Page 3

... STEVAL-PCN001V1 2 Revision history Table 1. Document revision history Date 01-Sep-2008 Revision 1 Initial release. Revision history Changes 3/4 ...

Page 4

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies STEVAL-PCN001V1 ...

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