Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
TPS2047 Datasheet(PDF) 22 Page - Texas Instruments |
|
TPS2047 Datasheet(HTML) 22 Page - Texas Instruments |
22 / 37 page www.ti.com IN OC1 OC2 2 8 3 5 4 7 0.1 µF 10 µF Internal Function OUT1 Power Supply 3.3 V EN1 6 0.1 µF 10 µF OUT2 Internal Function 0.1 µF 10 µF USB Control GND VBUS D− D+ EN2 GND 1 TPS2042B USB POWER-DISTRIBUTION REQUIREMENTS TPS2041B,, TPS2042B TPS2043B, TPS2044B, TPS2051B TPS2052B, TPS2053B, TPS2054B SLVS514E – APRIL 2004 – REVISED JANUARY 2006 APPLICATION INFORMATION (continued) Figure 32. High-Power Bus-Powered Function (Example, TPS2042B) USB can be implemented in several ways, and, regardless of the type of USB device being developed, several power-distribution features must be implemented. • Hosts/self-powered hubs must: – Current-limit downstream ports – Report overcurrent conditions on USB VBUS • Bus-powered hubs must: – Enable/disable power to downstream ports – Power up at <100 mA – Limit inrush current (<44 Ω and 10 µF) • Functions must: – Limit inrush currents – Power up at <100 mA The feature set of the TPS204xB/TPS205xB allows them to meet each of these requirements. The integrated current-limiting and overcurrent reporting is required by hosts and self-powered hubs. The logic-level enable and controlled rise times meet the need of both input and output ports on bus-powered hubs, as well as the input ports for bus-powered functions (see Figure 33 through Figure 36). 22 |
Número de pieza similar - TPS2047 |
|
Descripción similar - TPS2047 |
|
|
Enlace URL |
Política de Privacidad |
ALLDATASHEET.ES |
¿ALLDATASHEET es útil para Ud.? [ DONATE ] |
Todo acerca de Alldatasheet | Publicidad | Contáctenos | Política de Privacidad | Intercambio de Enlaces | Lista de Fabricantes All Rights Reserved©Alldatasheet.com |
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 |