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TPS7H4012-SP

AKTIV

Synchroner Abwärtswandler, strahlungsfest, QMLP, 4,5 V bis 14 V Eingänge, 6A

Datenblatt

document-pdfAcrobat TPS7H401x-SP and TPS7H401x-SEP 4.5V to 14V Input, 3A and 6A, Radiation Hardened Synchronous Buck Converter datasheet (Rev. B) (Englisch) PDF | HTML

TPS7H4012-SP

AKTIV

Datenblatt

Produktdetails

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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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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Data sheet	TPS7H401x-SP and TPS7H401x-SEP 4.5V to 14V Input, 3A and 6A, Radiation Hardened Synchronous Buck Converter datasheet (Rev. B)	PDF \| HTML	06 Apr 2026
*	Radiation & reliability report	TPS7H4012-SP (QMLP) Total Ionizing Dose (TID) Radiation Report (Rev. A)		09 Mär 2026
*	Radiation & reliability report	TPS7H4012 Plastic Neutron Displacement Damage (NDD) Characterization Report (Rev. A)		08 Dez 2025
*	Radiation & reliability report	TPS7H4012-SP and TPS7H4013-SP Single-Event Effects (SEE)	PDF \| HTML	13 Okt 2025
	Selection guide	TI Space Products (Rev. L)		27 Mär 2026

Design und Entwicklung

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Evaluierungsplatine

TPS7H4012EVM — TPS7H4012-SEP – Evaluierungsmodul

Das TPS7H4012EVM demonstriert den Betrieb eines einzelnen Abwärtswandlers TPS7H4012-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 (...)

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