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Texas Instruments LM5122 | Demoboard PMP7966

Power Solution for an Automotive Fuel Injector

Details

TopologieAufwärtswandler
Eingangsspannung6-42 V
Ausgang 152 V / 2.5 A

Beschreibung

PMP7966 is a 4-phase boost converter rated for 52V output at 2.5A from an input voltage of 6V to 42V. This design uses LM5122 boost controllers at a switching frequency of 100 kHz each phase, resulting in 400 kHz input and output ripple. 680μF aluminum electrolytic capacitors are used at the output of each phase, providing hold-up to support large transient currents.

Eigenschaften

  • 52V power supply designed for automotive fuel injector solenoids
  • 4-phase boost with 100kHz switching frequency but easier-to-filter 400kHz ripples
  • 6V to 42V input voltage range, ideal for 12V/24V automotive batteries
  • Output capacitors sized to provide the hold-up during large load transients

Weiterführende Informationen

Artikeldaten

Artikel Nr.
Daten­blatt
Simu­lation
Downloads
Status
Produktserie
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Muster
WE-HCI SMT-Hochstrominduktivität, 1.3 µH, 32.1 A
Simu­lation
Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
Induktivität1.3 µH
Performance Nennstrom32.1 A
Sättigungsstrom 111 A
Sättigungsstrom @ 30%25 A
Gleichstromwiderstand1.8 mΩ
Eigenresonanzfrequenz59 MHz
MaterialWE-PERM