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TPS7H4104-SEP

現行

耐輻射，3V 至 7V 輸入，每通道 3A 的四路同步降壓轉換器

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產品規格表

TPS7H4104-SEP

現行
產品規格表 立即訂購

產品詳細資料

Rating Space Topology Buck Iout (max) (A) 3 Vin (max) (V) 7 Vin (min) (V) 3 Vout (max) (V) 6.65 Vout (min) (V) 0.5 Features 4 outputs, Current Sharing, Enable, Frequency synchronization, Over Current Protection, Power good, Pre-Bias Start-Up, Sequencing and monitoring, 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 Iq (typ) (µA) 10000 Duty cycle (max) (%) 100 Type Converter
Rating Space Topology Buck Iout (max) (A) 3 Vin (max) (V) 7 Vin (min) (V) 3 Vout (max) (V) 6.65 Vout (min) (V) 0.5 Features 4 outputs, Current Sharing, Enable, Frequency synchronization, Over Current Protection, Power good, Pre-Bias Start-Up, Sequencing and monitoring, 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 Iq (typ) (µA) 10000 Duty cycle (max) (%) 100 Type Converter
HTQFP (PAP) 64 144 mm² 12 x 12
  • Total ionizing dose (TID) characterized
    • Radiation hardness assurance (RHA) availability 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 3V to 7V
  • Up to 3A of maximum output current per channel or more when channels are paralleled
  • Typical efficiency of 91.1% (typ.) at VIN = 5V, VOUT = 1.8V, IOUT = 1A at fSW = 500kHz
  • Integrated 62mΩ (HS) and 55mΩ (LS) MOSFETs (typ. at VIN = 5V)
  • Flexible switching frequency:
    • 100kHz to 1MHz, internal oscillator
    • External synchronization capability
  • Accurate voltage reference of 599.48mV ± 1% over line, temperature, and TID
  • Monotonic start-up into pre-biased outputs
  • Per channel (CHx)
    • Adjustable slope compensation (RSCx)
    • Adjustable soft-start (SS_TRx)
    • Power-good output monitor for undervoltage and overvoltage (PWRGDx)
    • Input enable (ENx)
  • Sequence up and reverse sequence down when using EN_SEQ (only valid for TPS7H4104)
  • Plastic packages outgas tested per ASTM E595
  • Available in military (–55°C to 125°C) temp range
  • Total ionizing dose (TID) characterized
    • Radiation hardness assurance (RHA) availability 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 3V to 7V
  • Up to 3A of maximum output current per channel or more when channels are paralleled
  • Typical efficiency of 91.1% (typ.) at VIN = 5V, VOUT = 1.8V, IOUT = 1A at fSW = 500kHz
  • Integrated 62mΩ (HS) and 55mΩ (LS) MOSFETs (typ. at VIN = 5V)
  • Flexible switching frequency:
    • 100kHz to 1MHz, internal oscillator
    • External synchronization capability
  • Accurate voltage reference of 599.48mV ± 1% over line, temperature, and TID
  • Monotonic start-up into pre-biased outputs
  • Per channel (CHx)
    • Adjustable slope compensation (RSCx)
    • Adjustable soft-start (SS_TRx)
    • Power-good output monitor for undervoltage and overvoltage (PWRGDx)
    • Input enable (ENx)
  • Sequence up and reverse sequence down when using EN_SEQ (only valid for TPS7H4104)
  • Plastic packages outgas tested per ASTM E595
  • Available in military (–55°C to 125°C) temp range

The TPS7H4104 and TPS7H4102 are 7V, 3A per channel, multichannel, peak-current mode, synchronous buck converters optimized for use in area sensitive, space environment applications. The device incorporates four (TPS7H4104) or two (TPS7H4102) identical channels that can be use to step down the power input voltage into independent voltages up to 3A per phase or interleaved to increment the output current up to 12A (TPS7H4104) or 6A (TPS7H4102).

Each channel incorporates the high-side and low-side power MOSFETs with programmable soft-start and slope compensation. Additionally, per channel power-good flags and enable signals are provided. The TPS7H4104 also includes an EN_SEQ input that enables a sequential power‑up and a reverse‑sequence power‑down.

Various current limit mechanisms are included for robust current limiting during fault conditions. Thermal shutdown disables the device when the die temperature exceeds thermal limit.

The TPS7H4104 and TPS7H4102 are 7V, 3A per channel, multichannel, peak-current mode, synchronous buck converters optimized for use in area sensitive, space environment applications. The device incorporates four (TPS7H4104) or two (TPS7H4102) identical channels that can be use to step down the power input voltage into independent voltages up to 3A per phase or interleaved to increment the output current up to 12A (TPS7H4104) or 6A (TPS7H4102).

Each channel incorporates the high-side and low-side power MOSFETs with programmable soft-start and slope compensation. Additionally, per channel power-good flags and enable signals are provided. The TPS7H4104 also includes an EN_SEQ input that enables a sequential power‑up and a reverse‑sequence power‑down.

Various current limit mechanisms are included for robust current limiting during fault conditions. Thermal shutdown disables the device when the die temperature exceeds thermal limit.

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類型 標題 日期
* Data sheet TPS7H410x-SP and TPS7H410x-SEP Radiation-Hardened, 3V to 7V Input, 3A per Channel, Multichannel, Synchronous Buck Converter datasheet (Rev. C) PDF | HTML 2025年 11月 19日
* Radiation & reliability report TPS7H4104-SEP Total Ionizing Dose (TID) Report (Rev. B) 2025年 11月 19日
* Radiation & reliability report TPS7H410x-SEP Production Flow and Reliability Report (Rev. A) PDF | HTML 2025年 11月 14日
* Radiation & reliability report Single-Event Effects (SEE) Radiation Report of the TPS7H4104-SEP PDF | HTML 2025年 11月 5日
* Radiation & reliability report TPS7H4104-SEP and TPS7H4104-SP QMLP Neutron Displacement Damage (NDD) Characterization Report (Rev. A) 2025年 9月 17日
Application note Achieving High Accuracy Output Below VREF with Space-Grade Multi-channel Buck Converters PDF | HTML 2025年 12月 17日
Selection guide TI Space Products (Rev. K) 2025年 4月 4日
Technical article 航太級強化產品如何因應低地球軌道應用的挑戰 (Rev. A) PDF | HTML 2024年 1月 11日
Application note Reduce the Risk in Low-Earth Orbit Missions with Space Enhanced Plastic Products (Rev. A) PDF | HTML 2022年 9月 15日
E-book Radiation Handbook for Electronics (Rev. A) 2019年 5月 21日

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開發板

TPS7H4104EVM — TPS7H4104 評估模組

TPS7H4104 評估模組 (EVM) 針對具有四個獨立 3A 輸出的 5V 輸入電壓進行最佳化。每個轉換器皆單獨設定，因此電路板具有 0.8V 輸出、1.2V 輸出、1.5V 輸出和 1.8V 輸出。

使用指南: PDF | HTML
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模擬型號

TPS7H4104 SIMPLIS Model (Rev. A)

SLVMED0A.ZIP (28 KB) - SIMPLIS Model
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