Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

Preview PDF HTML

L6924U Folha de dados(PDF) 31 Page - STMicroelectronics

Nome de Peças L6924U
Descrição Electrónicos  USB compatible battery charger system with integrated power switch for Li-Ion/Li-Polymer
PDF  37 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6924U Folha de dados(HTML) 31 Page - STMicroelectronics

Back Button L6924U Datasheet HTML 27Page - STMicroelectronics L6924U Datasheet HTML 28Page - STMicroelectronics L6924U Datasheet HTML 29Page - STMicroelectronics L6924U Datasheet HTML 30Page - STMicroelectronics L6924U Datasheet HTML 31Page - STMicroelectronics L6924U Datasheet HTML 32Page - STMicroelectronics L6924U Datasheet HTML 33Page - STMicroelectronics L6924U Datasheet HTML 34Page - STMicroelectronics L6924U Datasheet HTML 35Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 31 / 37 page
background image
L6924U
Additional applications information
Doc ID 14716 Rev 2
31/37
Figure 25.
Demonstration board schematic
Table 7.
Demonstration board components description
Name
Value
Description
R1
24 k
Ω AC mode fast-charge current resistor. Used to set the charging current in AC mode.
R2
24 k
Ω
USB mode fast-charge current resistor. Used to set the charging current in USB
mode.
R3
3.3 k
Ω
End of Charge current resistor. Used to set the termination current and, as a “gas
gauge” when measuring the voltage across on it.
R4
1 k
Ω
Pull up resistor. Connected between VREF and TH pin.
R5
1 k
Ω
Pull up resistor. To be used when the ST1 is connected to a LED
R6
1 k
Ω
Pull up resistor. To be used when the ST2 is connected to a LED.
RT1
470
Ω
If a NTC is not used, a half value of R4 must be mounted to keep the TH voltage in
the correct window.
C1
1 µF
Input capacitor.
C2
4.7 µF
Output capacitor.
C3
10 nF
TMAX capacitor. Used to set the maximum charging time.
C4
1 nF
VREF filter capacitor.
D1
GREEN ST1 LED.
D2
RED
ST2 LED.
J1
ST2 jumper. Using to select the LED or the external microcontroller.
J2
ST1 jumper. Using to select the LED or the external microcontroller.
J3
SD jumper. If open, the device is in shutdown mode; when closed, the device starts
to work.
J4
Low power/ high power USB mode selection jumper.
J5
AC/USB mode selection jumper.



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37


Folha de dados Download

Go To PDF Page


Ligação URL



ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   Link para a ficha técnica    |   roca de Link   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com