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TPS51916

AKTIV

Synchroner Abwärts-Controller für DDR2/3/3L/4-Speicher-Stromversorgungslösungen

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TPS51916

AKTIV
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Produktdetails

Vin (min) (V) 3 Vin (max) (V) 28 Vout (min) (V) 0.7 Vout (max) (V) 1.8 Features Complete Solution, Eco Mode, S3/S5 Support Iq (typ) (mA) 0.6 Rating Catalog Operating temperature range (°C) -40 to 85 Product type DDR DDR memory type DDR, DDR2, DDR3, DDR3L, DDR4, LPDDR2, LPDDR3
Vin (min) (V) 3 Vin (max) (V) 28 Vout (min) (V) 0.7 Vout (max) (V) 1.8 Features Complete Solution, Eco Mode, S3/S5 Support Iq (typ) (mA) 0.6 Rating Catalog Operating temperature range (°C) -40 to 85 Product type DDR DDR memory type DDR, DDR2, DDR3, DDR3L, DDR4, LPDDR2, LPDDR3
WQFN (RUK) 20 9 mm² 3 x 3
  • Synchronous Buck Controller (VDDQ)
    • Conversion Voltage Range: 3 V to 28 V
    • Output Voltage Range: 0.7 V to 1.8 V
    • 0.8% VREF Accuracy
    • Selectable Control Architecture
      • D-CAP™ Mode for Fast Transient Response
      • D-CAP2™ Mode for Ceramic Output Capacitors
    • Selectable 300 kHz, 400 kHz, 500 kHz, or 670 kHz Switching Frequencies
    • Optimized Efficiency at Light and Heavy Loads with Auto-skip Function
    • Supports Soft-Off in S4 and S5 States
    • OCL/OVP/UVP/UVLO Protections
    • Powergood Output
  • 2-A LDO(VTT), Buffered Reference(VTTREF)
    • 2-A (Peak) Sink and Source Current
    • Buffered, Low Noise, 10-mA VTTREF Output
    • 0.8% VTTREF, 20-mV VTT Accuracy
    • Supports High-Z (S3) and Soft-Off (S4, S5)
  • Thermal Shutdown
  • 20-Pin, 3 mm × 3 mm, QFN Package
  • Create a WEBENCH Design
  • Synchronous Buck Controller (VDDQ)
    • Conversion Voltage Range: 3 V to 28 V
    • Output Voltage Range: 0.7 V to 1.8 V
    • 0.8% VREF Accuracy
    • Selectable Control Architecture
      • D-CAP™ Mode for Fast Transient Response
      • D-CAP2™ Mode for Ceramic Output Capacitors
    • Selectable 300 kHz, 400 kHz, 500 kHz, or 670 kHz Switching Frequencies
    • Optimized Efficiency at Light and Heavy Loads with Auto-skip Function
    • Supports Soft-Off in S4 and S5 States
    • OCL/OVP/UVP/UVLO Protections
    • Powergood Output
  • 2-A LDO(VTT), Buffered Reference(VTTREF)
    • 2-A (Peak) Sink and Source Current
    • Buffered, Low Noise, 10-mA VTTREF Output
    • 0.8% VTTREF, 20-mV VTT Accuracy
    • Supports High-Z (S3) and Soft-Off (S4, S5)
  • Thermal Shutdown
  • 20-Pin, 3 mm × 3 mm, QFN Package
  • Create a WEBENCH Design

The TPS51916 device provides a complete power supply for DDR2, DDR3, DDR3L, and DDR4 memory systems in the lowest total cost and minimum space. It integrates a synchronous buck regulator controller (VDDQ) with a 2-A sink and 2-A source tracking LDO (VTT) and buffered low noise reference (VTTREF).

The device employs D-CAP™ mode coupled with 300 kHz or 400 kHz frequencies for ease-of-use and fast transient response or D-CAP2™ mode coupled with higher 500 kHz or 670 kHz frequencies to support ceramic output capacitor without an external compensation circuit. The VTTREF tracks VDDQ/2 within excellent 0.8% accuracy. The VTT, which provides 2-A sink and 2-A source peak current capabilities, requires only 10-µF of ceramic capacitance. A dedicated LDO supply input is available.

The device also provides excellent power supply performance. It supports flexible power state control, placing VTT at high-Z in S3 and discharging VDDQ, VTT and VTTREF (soft-off) in S4 or S5 state. Programmable OCL with low-side MOSFET RDS(on) sensing, OVP, UVP, UVLO and thermal shutdown protections are also available.

.

The TPS51916 device provides a complete power supply for DDR2, DDR3, DDR3L, and DDR4 memory systems in the lowest total cost and minimum space. It integrates a synchronous buck regulator controller (VDDQ) with a 2-A sink and 2-A source tracking LDO (VTT) and buffered low noise reference (VTTREF).

The device employs D-CAP™ mode coupled with 300 kHz or 400 kHz frequencies for ease-of-use and fast transient response or D-CAP2™ mode coupled with higher 500 kHz or 670 kHz frequencies to support ceramic output capacitor without an external compensation circuit. The VTTREF tracks VDDQ/2 within excellent 0.8% accuracy. The VTT, which provides 2-A sink and 2-A source peak current capabilities, requires only 10-µF of ceramic capacitance. A dedicated LDO supply input is available.

The device also provides excellent power supply performance. It supports flexible power state control, placing VTT at high-Z in S3 and discharging VDDQ, VTT and VTTREF (soft-off) in S4 or S5 state. Programmable OCL with low-side MOSFET RDS(on) sensing, OVP, UVP, UVLO and thermal shutdown protections are also available.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS51916 Complete DDR2, DDR3, DDR3L and DDR4 Memory Power Solution Synchronous Buck Controller, 2-A LDO, Buffered Reference datasheet (Rev. F) PDF | HTML 19 Dez 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
More literature Computing DDR DC-DC Power Solutions 22 Aug 2012
User guide TPS51916EVM-746 User's Guide 19 Aug 2011

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TPS51916EVM-746 — Evaluierungsmodul für TPS51916 DDR2, DDR3 und DDR3L-Speicher-Stromversorgungslösungen – Synchron-Abw

The TPS51916EVM-746 evaluation module is a fully assembled and tested circuit for evaluating the TPS51916 low-dropout (LDO) regulator. The TPS51916 provides a complete power supply for DDR2, DDR3, DDR3L and DDR4 memory system in the lowest total cost and minimum space. The TPS51916 integrates a (...)
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

TPS51916 PSpice Transient Model

SLUM206.ZIP (80 KB) - PSpice Model
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Simulationsmodell

TPS51916 TINA-TI Transient Reference Design

SLUM265.TSC (253 KB) - TINA-TI Reference Design
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Simulationsmodell

TPS51916 TINA-TI Transient Spice Model

SLUM266.ZIP (78 KB) - TINA-TI Spice Model
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Referenzdesigns

PMP5922 — Synchron-Abwärtswandler für Intel Atom E6xx Tunnel Creek (1,25 V@10 mA)

TI's Highest Power Density Low Input Voltage Complete Intel Atom E6xx (Tunnel Creek) power system designs; in 967mm2 this design has all the voltage regulators needed to power Intel's Atom E6xx CPU platform and fit onto a 70x70 or smaller COM Express Module used in Industrial Automation and Process (...)
Test report: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-00020 — Intel IMVP7 2nd Generation Core Mobile (Core i7)-Power-Management – Referenzdesign

The Intel® Core i7 power management design is a reference design for the Intel® IMVP-7 Serial VID (SVID) power system. This design features an IMVP-7 3-phase CPU supply, a single-phase GPU Vcore supply, a 1.05-VCC IO supply, and a DDR3L/DDR4 memory rail. To greatly improve power (...)
Test report: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WQFN (RUK) 20 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

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  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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