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TPS7H5005-SEP

ACTIVE

Radiation-tolerant, 2MHz, dual-output PWM controller with synchronous rectification

TPS7H5005-SEP

ACTIVE

Product details

Topology Active clamp, Boost, Buck, Forward, Full bridge, Half bridge, Push pull Control mode Peak current mode Features Dead time control, Leading edge blanking, Multi-topology Duty cycle (max) (%) 100
Topology Active clamp, Boost, Buck, Forward, Full bridge, Half bridge, Push pull Control mode Peak current mode Features Dead time control, Leading edge blanking, Multi-topology Duty cycle (max) (%) 100
TSSOP (PW) 24 49.92 mm² (7.8 mm × 6.4 mm)
  • Radiation hardened:
    • SEL, SEB, and SEGR immune to LET = 43 MeV-cm2/mg
    • SET and SEFI characterized up to LET = 43 MeV-cm2/mg
    • TID assured for every wafer lot up to 50 krad(Si)
  • Input voltage: 4 V to 14 V
  • 0.613-V +0.7%/–1% voltage reference over temperature, radiation, and line and load regulation
  • Switching frequency from 100 kHz to 2 MHz
  • External clock synchronization capability
  • Synchronous rectification outputs
    • TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5007-SEP
  • Adjustable dead time
    • TPS7H5005-SEP, TPS7H5006-SEP
  • Adjustable leading edge blank time
    • TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5008-SEP
  • Configurable duty cycle limit
    • TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5007-SEP
  • Adjustable slope compensation and soft start
  • 24-pin TSSOP package
  • Space Enhanced Plastic
    • Controlled baseline
    • Au bondwire and NiPdAu lead finish
    • Meets NASA ASTM E595 outgassing specification
    • One fabrication, assembly, and test site
    • Extended product life cycle
    • Extended product change notification
    • Product traceability
  • Radiation hardened:
    • SEL, SEB, and SEGR immune to LET = 43 MeV-cm2/mg
    • SET and SEFI characterized up to LET = 43 MeV-cm2/mg
    • TID assured for every wafer lot up to 50 krad(Si)
  • Input voltage: 4 V to 14 V
  • 0.613-V +0.7%/–1% voltage reference over temperature, radiation, and line and load regulation
  • Switching frequency from 100 kHz to 2 MHz
  • External clock synchronization capability
  • Synchronous rectification outputs
    • TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5007-SEP
  • Adjustable dead time
    • TPS7H5005-SEP, TPS7H5006-SEP
  • Adjustable leading edge blank time
    • TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5008-SEP
  • Configurable duty cycle limit
    • TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5007-SEP
  • Adjustable slope compensation and soft start
  • 24-pin TSSOP package
  • Space Enhanced Plastic
    • Controlled baseline
    • Au bondwire and NiPdAu lead finish
    • Meets NASA ASTM E595 outgassing specification
    • One fabrication, assembly, and test site
    • Extended product life cycle
    • Extended product change notification
    • Product traceability

The TPS7H500x-SEP series (consisting of TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5007-SEP, and TPS7H5008-SEP) is a family of high-speed, radiation-tolerant, PWM controllers in space enhanced plastic. The controllers provide a number of features that are beneficial for the design of DC-DC converter topologies intended for space applications. The controllers have a 0.613-V +0.7%/–1% accurate internal reference and configurable switching frequency up to 2 MHz. Each device offers programmable slope compensation and soft-start.

The TPS7H500x-SEP series can be driven using an external clock through the SYNC pin or by using the internal oscillator at a frequency programmed by the user. The controller family offers the user various options for switching outputs, synchronous rectification capability, dead time (fixed or configurable), leading edge blank time (fixed or configurable), and duty cycle limit. Each device in the TPS7H500x-SEP series has a 24-pin TSSOP package.

The TPS7H500x-SEP series (consisting of TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5007-SEP, and TPS7H5008-SEP) is a family of high-speed, radiation-tolerant, PWM controllers in space enhanced plastic. The controllers provide a number of features that are beneficial for the design of DC-DC converter topologies intended for space applications. The controllers have a 0.613-V +0.7%/–1% accurate internal reference and configurable switching frequency up to 2 MHz. Each device offers programmable slope compensation and soft-start.

The TPS7H500x-SEP series can be driven using an external clock through the SYNC pin or by using the internal oscillator at a frequency programmed by the user. The controller family offers the user various options for switching outputs, synchronous rectification capability, dead time (fixed or configurable), leading edge blank time (fixed or configurable), and duty cycle limit. Each device in the TPS7H500x-SEP series has a 24-pin TSSOP package.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TPS7H500x-SEP Radiation-Tolerant 2-MHz Current Mode PWM Controllers in Space Enhanced Plastic datasheet (Rev. A) PDF | HTML Sep 1, 2022
* Radiation & reliability report TPS7H5005-SEP and TPS7H5001-SP QMLP Neutron Displacement Damage (NDD) Characterization Report (Rev. A) Aug 15, 2024
* Radiation & reliability report TPS7H500x-SEP Production Flow and Reliability Report PDF | HTML Aug 11, 2022
* Radiation & reliability report TPS7H5005-SEP Total Ionizing Dose (TID) (Rev. A) Jul 7, 2022
* Radiation & reliability report Single Event Effects Report of the TPS7H500X-SEP Dual-Output PWM Controller Apr 25, 2022
* VID TPS7H5005-SEP VID V62-22607 Aug 29, 2022
Selection guide TI Space Products (Rev. L) Mar 27, 2026
Technical article How can you optimize SWaP for next-generation satellites with electrical power systems (Rev. A) PDF | HTML Feb 19, 2025
Technical article How Space Enhanced Products Address Challenges in low Earth orbit Applications (Rev. A) PDF | HTML Dec 18, 2023
Application note Using Space Grade Power Components to Power AMD Kintex XQRKU060 FPGA PDF | HTML Nov 8, 2023
Technical article Key considerations for advancing satellite electrical power systems PDF | HTML Oct 31, 2022
Application note Reduce the Risk in Low-Earth Orbit Missions with Space Enhanced Plastic Products (Rev. A) PDF | HTML Sep 15, 2022
E-book Radiation Handbook for Electronics (Rev. A) May 21, 2019

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS7H5005EVM — TPS7H5005 evaluation module for 2-MHz dual-output PWM controller with synchronous rectification

The TPS7H5005 evaluation module (EVM) demonstrates how the TPS7H5005-SEP controller can be operated in open loop, and provides a test platform to operate the product.

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SLVMEI2.ZIP (196 KB) - PSpice model
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Reference design

PMP23391 — 300W, 12V output ZVS full-bridge converter reference design for 100kRad applications

This reference design is a full-bridge topology that is comprised of a TPS7H5005-SEP referenced on secondary ground that controls three TPS7H6005-SEP half-bridge gate drivers. The two drivers referenced to the primary side operate in pulse width modulation (PWM) mode which allows for the design to (...)
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Reference design

PMP23661 — 500W, 12V output, ZVS full bridge with current-doubler converter reference design

This reference design is a full-bridge topology that is comprised of a TPS7H5005-SEP referenced on secondary ground that controls four TPS7H6005-SEP half-bridge gate drivers. The two drivers referenced to the primary side operate in PWM mode which allows for the design to achieve zero-voltage (...)

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Reference design

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TSSOP (PW) 24 Ultra Librarian

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