Connecter Broche EN

julienc

julienc

comment je connecte EN ?
362 days

flux

0:37

La broche EN (Enable) du TPS5430 doit être tirée "high" pour activer le régulateur. Dans le design actuel, un terminal dédié EN est déjà placé et relié à la broche EN de IC1.
Voici deux options possibles :
  1. Activation permanente :
    Si vous souhaitez que le régulateur reste activé en permanence, connectez le terminal EN directement au rail d'entrée (par exemple VIN) de sorte que la tension sur EN dépasse le seuil d'activation indiqué dans la datasheet (typiquement quelques volts).
  2. Commande externe :
    Si vous voulez pouvoir activer/désactiver le régulateur via une commande (par exemple par un microcontrôleur), reliez EN à une sortie digitale et assurez-vous que la tension "high" soit suffisante pour activer l'IC (généralement 3,3 V ou 5 V, selon ce qui est requis par votre TPS5430).
Choisissez l’option qui convient à votre application. Voulez-vous que je vous guide pour mettre à jour le schéma en conséquence ?
Choix activation permanente
Commande externe MCU
Vérifier configuration EN
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+5V
C4
Capacitance
0.01uF
EN
C3
End of Life
Capacitance
330uF
C5
Capacitance
0.1uF
R1
Resistance
3.16kΩ
GND
GND
VIN
L1
Inductance
15uH
C2
End of Life
Capacitance
22uF
C1
End of Life
Capacitance
22uF
IC1
VIN
R2
Resistance
1kΩ
+5V
VIN
D1
+5V
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TPS5430 5V Module

TPS5430 5V Module thumbnail
This TPS5430DDA-based design is a step-down voltage regulator, converting a higher input voltage to a stable 5V output. Ideal for applications requiring a regulated 5V supply. #referenceDesign #Module #Sublayout #stepDown #voltageRegulator #5V #TPS5430 #TPS5430DDA #reusable #module #powermanagement #texas-instruments #sublayout

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