Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)
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AC/DC- und DC/DC-Wandler (integrierter FET)
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TPS7H4013-SEP

AKTIV

Strahlungstoleranter synchroner 3-A-Abwärtswandler, 4,5 V bis 14 V Eingangsspannung

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TPS7H4013-SEP

AKTIV
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Produktdetails

Rating Space Topology Buck Iout (max) (A) 3 Vin (max) (V) 14 Vin (min) (V) 4.5 Vout (max) (V) 11.5 Vout (min) (V) 0.6 Features Enable, Frequency synchronization, Overcurrent protection, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, Tracking, UVLO adjustable Control mode current mode Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 1000 Operating temperature range (°C) -55 to 125 Duty cycle (max) (%) 100 Type Converter
Rating Space Topology Buck Iout (max) (A) 3 Vin (max) (V) 14 Vin (min) (V) 4.5 Vout (max) (V) 11.5 Vout (min) (V) 0.6 Features Enable, Frequency synchronization, Overcurrent protection, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, Tracking, UVLO adjustable Control mode current mode Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 1000 Operating temperature range (°C) -55 to 125 Duty cycle (max) (%) 100 Type Converter
HTSSOP (DDW) 44 113.4 mm² 14 x 8.1
  • Total ionizing dose (TID) characterized
    • Radiation hardness assurance (RHA) availability of up to 100krad(Si)
  • Single-Event Effects (SEE) characterized
    • Single-event latchup (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune up to linear energy transfer (LET) = 75MeV-cm2/mg
    • Single-event functional interrupt (SEFI) and single-event transient (SET) characterized up to LET = 75MeV-cm2/mg
  • Input voltage range from 4.5V to 14V
  • 6A (TPS7H4012)or 3A (TPS7H4013) maximum output current
  • High efficiency (typical values for VIN = 12V, VOUT = 3.3V, fSW = 500kHz)
    • 88% at 1A
    • 92% at 3A
    • 91% at 6A
  • Integrated 33mΩ (HS) and 27mΩ (LS) MOSFETs (typ at 12V)
  • Flexible switching frequency options:
    • 100kHz to 1MHz, accurate (±15% or better), adjustable internal oscillator
    • 100kHz to 1MHz external sync capability
  • 0.6V ± 0.83% voltage reference over line, temperature, and radiation
  • Supports start-up into prebiased outputs
  • Adjustable slope compensation and soft-start
  • Adjustable input enable and power-good output for power sequencing
  • Power-good output monitor for undervoltage and overvoltage
  • Supports inverting buck-boost topology
  • Plastic packages outgas tested per ASTM E595
  • Available in military (–55°C to 125°C) temperature range
  • Total ionizing dose (TID) characterized
    • Radiation hardness assurance (RHA) availability of up to 100krad(Si)
  • Single-Event Effects (SEE) characterized
    • Single-event latchup (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune up to linear energy transfer (LET) = 75MeV-cm2/mg
    • Single-event functional interrupt (SEFI) and single-event transient (SET) characterized up to LET = 75MeV-cm2/mg
  • Input voltage range from 4.5V to 14V
  • 6A (TPS7H4012)or 3A (TPS7H4013) maximum output current
  • High efficiency (typical values for VIN = 12V, VOUT = 3.3V, fSW = 500kHz)
    • 88% at 1A
    • 92% at 3A
    • 91% at 6A
  • Integrated 33mΩ (HS) and 27mΩ (LS) MOSFETs (typ at 12V)
  • Flexible switching frequency options:
    • 100kHz to 1MHz, accurate (±15% or better), adjustable internal oscillator
    • 100kHz to 1MHz external sync capability
  • 0.6V ± 0.83% voltage reference over line, temperature, and radiation
  • Supports start-up into prebiased outputs
  • Adjustable slope compensation and soft-start
  • Adjustable input enable and power-good output for power sequencing
  • Power-good output monitor for undervoltage and overvoltage
  • Supports inverting buck-boost topology
  • Plastic packages outgas tested per ASTM E595
  • Available in military (–55°C to 125°C) temperature range

The TPS7H401x devices are 14V synchronous buck converters optimized for use in a space environment. The TPS7H4012 is a 6A device and the TPS7H4013 is a 3A device. The peak current mode converter obtains high efficiency with good transient performance and reduced component count.

The wide voltage range of the TPS7H401x enables it to be used as a point of load regulator to convert directly from a 12V or 5V rail. The output voltage start-up ramp is controlled by the SS_TR pin. Power sequencing is possible with the EN and PWRGD pins.

Additionally, various features are included such as an optimized current limit for each device, a flexible switching frequency, and configurable compensation.

The TPS7H401x devices are 14V synchronous buck converters optimized for use in a space environment. The TPS7H4012 is a 6A device and the TPS7H4013 is a 3A device. The peak current mode converter obtains high efficiency with good transient performance and reduced component count.

The wide voltage range of the TPS7H401x enables it to be used as a point of load regulator to convert directly from a 12V or 5V rail. The output voltage start-up ramp is controlled by the SS_TR pin. Power sequencing is possible with the EN and PWRGD pins.

Additionally, various features are included such as an optimized current limit for each device, a flexible switching frequency, and configurable compensation.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS7H401x-SP and TPS7H401x-SEP 4.5V to 14V Input, 3A and 6A, Radiation Hardened Synchronous Buck Converter datasheet (Rev. A) PDF | HTML 25 Nov 2025
* Radiation & reliability report TPS7H4013-SEP Total Ionizing Dose (TID) Radiation Report (Rev. A) 09 Dez 2025
* Radiation & reliability report TPS7H4013-SP Neutron Displacement Damage (NDD) Characterization Report (Rev. A) 09 Dez 2025
* Radiation & reliability report TPS7H401X-SEP Production Flow and Reliability Report PDF | HTML 25 Nov 2025
Selection guide TI Space Products (Rev. K) 04 Apr 2025
Application note Reduce the Risk in Low-Earth Orbit Missions with Space Enhanced Plastic Products (Rev. A) PDF | HTML 15 Sep 2022
E-book Radiation Handbook for Electronics (Rev. A) 21 Mai 2019

Design und Entwicklung

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Evaluierungsplatine

TPS7H4013EVM — TPS7H4013-SEP – Evaluierungsmodul

Das TPS7H4013EVM demonstriert den Betrieb eines einzelnen Abwärtswandlers TPS7H4013-SEP (Kunststoffgehäuse). Die Platine bietet Flächen, die mit zusätzlichen Komponenten bestückt werden können, um das Testen benutzerdefinierter Konfigurationen zu ermöglichen. Dazu kommen Jumper und Prüfpunkte zur (...)
Benutzerhandbuch: PDF | HTML
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Simulationsmodell

TPS7H4011x PSpice Average Model (AC stability)

SNVMCE8.ZIP (25 KB) - PSpice Model
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TPS7H401x PSpice Transient Model

SNVMCE1.ZIP (61 KB) - PSpice Model
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Simulationsmodell

TPS7H401x SIMPLIS Model

SNVMCD9.ZIP (25 KB) - SIMPLIS Model
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Simulationsmodell

TPS7H401x SIMPLIS Transient Model

SNVMCF4.ZIP (55 KB) - SIMPLIS Model
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