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TPSI31P1-Q1

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具有 17V 隔離式閘極驅動器和偏壓電源的車用主動預充電控制器

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TPSI31P1-Q1

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產品詳細資料

Withstand isolation voltage (VISO) (Vrms) 5000 FET External Number of channels 1 Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Gate drive voltage (V) 17 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Rating Automotive Isolation rating Reinforced Surge isolation voltage (VIOSM) (VPK) 12000 Working isolation voltage (VIOWM) (Vrms) 1200
Withstand isolation voltage (VISO) (Vrms) 5000 FET External Number of channels 1 Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Gate drive voltage (V) 17 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Rating Automotive Isolation rating Reinforced Surge isolation voltage (VIOSM) (VPK) 12000 Working isolation voltage (VIOWM) (Vrms) 1200
SO-MOD (DVX) 16 60.255 mm² 5.85 x 10.3
  • Replaces large, high power pre-charge resistors using a switched converter architecture
  • Improved thermal performance compared to passive pre-charge solutions
  • Hysteretic current control for linear charging of downstream capacitance
  • Drives external power transistors such as Si, SiC MOSFET, or IGBT
  • Integrated isolated secondary supply for gate bias
  • 17V gate drive, 1.5A and 2.5A peak source and sink current
  • AEC Q-100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Safety-related certifications
    • Planned: 7070VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • Planned: 5kVRMS isolation for 1 minute per UL 1577
  • Replaces large, high power pre-charge resistors using a switched converter architecture
  • Improved thermal performance compared to passive pre-charge solutions
  • Hysteretic current control for linear charging of downstream capacitance
  • Drives external power transistors such as Si, SiC MOSFET, or IGBT
  • Integrated isolated secondary supply for gate bias
  • 17V gate drive, 1.5A and 2.5A peak source and sink current
  • AEC Q-100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Safety-related certifications
    • Planned: 7070VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • Planned: 5kVRMS isolation for 1 minute per UL 1577

The TPSI31P1-Q1 is designed to be used in automotive pre-charge systems as an alternative to traditional passive pre-charge architectures that typically include costly electromechanical relays (EMR), along with bulky, high power resistors. The TPSI31P1-Q1, combined with external power switches, power inductor and diode, forms an active pre-charge solution. The inductor current is continuously monitored and controlled in a hysteretic mode of operation by the TPSI31P1-Q1 to linearly charge the large capacitance of the downstream system. The TPSI31P1-Q1 is an isolated switch driver that generates its own secondary bias supply from power received on its primary side, therefore no isolated secondary supply is required. With a gate drive voltage of 17V with 1.5A and 2.5A peak source and sink current, a large availability of power switches can be used including SiC FET and IGBT.

The TPSI31P1-Q1 integrates a communication back-channel that transfers status information from the secondary side to the primary side via open-drain output, PGOOD (Power Good) and indicates when the secondary power is valid.

The TPSI31P1-Q1 reinforced isolation is extremely robust with much higher reliability, lower power consumption, and increased temperature ranges than those found in optocouplers. Replacing the EMR and power resistor with a solid state solution can lead to reduced cost and form factor, while providing higher reliability.

The TPSI31P1-Q1 is designed to be used in automotive pre-charge systems as an alternative to traditional passive pre-charge architectures that typically include costly electromechanical relays (EMR), along with bulky, high power resistors. The TPSI31P1-Q1, combined with external power switches, power inductor and diode, forms an active pre-charge solution. The inductor current is continuously monitored and controlled in a hysteretic mode of operation by the TPSI31P1-Q1 to linearly charge the large capacitance of the downstream system. The TPSI31P1-Q1 is an isolated switch driver that generates its own secondary bias supply from power received on its primary side, therefore no isolated secondary supply is required. With a gate drive voltage of 17V with 1.5A and 2.5A peak source and sink current, a large availability of power switches can be used including SiC FET and IGBT.

The TPSI31P1-Q1 integrates a communication back-channel that transfers status information from the secondary side to the primary side via open-drain output, PGOOD (Power Good) and indicates when the secondary power is valid.

The TPSI31P1-Q1 reinforced isolation is extremely robust with much higher reliability, lower power consumption, and increased temperature ranges than those found in optocouplers. Replacing the EMR and power resistor with a solid state solution can lead to reduced cost and form factor, while providing higher reliability.
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類型 標題 日期
* Data sheet TPSI31P1-Q1 Automotive Active Pre-charge Controller With 17V Isolated Gate Driver and Bias Supply datasheet PDF | HTML 2024年 10月 16日
Application brief TPSI31xx EMI Mitigation for Conducted Emissions PDF | HTML 2025年 2月 18日
EVM User's guide TPSI31P1-Q1 Evaluation Module (Rev. A) PDF | HTML 2025年 1月 31日
Certificate TPSI31PXQ1EVM-400 EU Declaration of Conformity (DoC) 2024年 11月 14日
Functional safety information TPSI31P1-Q1 Functional Safety FIT Rate, FMD, and Pin FMA PDF | HTML 2024年 10月 16日

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開發板

TPSI31PXQ1EVM — TPSI31Px-Q1 評估模組

TPSI31Px-Q1 評估模組 (EVM) 可協助設計師評估 TPSI31P1-Q1 在電動車 (EV) 或混合動力電動車 (HEV) 高壓側主動預充電應用中，為 DC 鏈路電容器充電的運作情況及性能。

  • TPSI31PXQ1EVM：800VDC 與 10AAVG
  • TPSI31PXQ1EVM-400：400VDC 與 4.5AAVG
使用指南: PDF | HTML
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計算工具

TPSI31P1-CALC — Helps calculate/simulate active precharge behavior using TPSI31P1 device as primary driver.

Helps calculate/simulate active precharge behavior using TPSI31P1 device as primary driver based on user input, outputting various graphs to estimate circuit behavior, aiding in design.
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固態繼電器
TPSI31P1-Q1 — 具有 17V 隔離式閘極驅動器和偏壓電源的車用主動預充電控制器
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