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DDR 記憶體電源 IC

TPS65296

現行

4.5-V 至 18-V VIN 完整 LPDDR4 和 LPDDR4X 記憶體電源解決方案

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產品規格表

TPS65296

現行
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產品詳細資料

DDR memory type LPDDR4, LPDDR4X Control mode D-CAP3 Iout VDDQ (max) (A) 8 Iout VTT (max) (A) 1.5 Iq (typ) (mA) 0.15 Output VDDQ, VREF, VTT Vin (min) (V) 4.5 Vin (max) (V) 18 Features Complete Solution, Eco Mode, S3/S5 Support Rating Catalog Operating temperature range (°C) -40 to 125 Regulator type Step-Down Module Vin bias (max) (V) 16 Vin bias (min) (V) 4.5 Vout VTT (min) (V) 0.6
DDR memory type LPDDR4, LPDDR4X Control mode D-CAP3 Iout VDDQ (max) (A) 8 Iout VTT (max) (A) 1.5 Iq (typ) (mA) 0.15 Output VDDQ, VREF, VTT Vin (min) (V) 4.5 Vin (max) (V) 18 Features Complete Solution, Eco Mode, S3/S5 Support Rating Catalog Operating temperature range (°C) -40 to 125 Regulator type Step-Down Module Vin bias (max) (V) 16 Vin bias (min) (V) 4.5 Vout VTT (min) (V) 0.6
VQFN-HR (RJE) 18 9 mm² (3 mm × 3 mm)
  • Synchronous buck converter (VDD2)
    • Input voltage range: 4.5 V to 18 V
    • Output voltage fixed at 1.1 V
    • D-CAP3™ mode control for fast transient response
    • Continual output current: 8 A
    • Advanced Eco-mode™ pulse skip
    • Integrated 22-mΩ / 8.6-mΩ RDS(on) internal power switch
    • 600-kHz switching frequency
    • Internal soft start: 1.6 ms
    • Cycle-by-cycle overcurrent protection
    • Latched output OV/UV protections
  • Synchronous buck converter (VDD1)
    • Input voltage range: 3 V to 5.5 V
    • Output voltage fixed at 1.8 V
    • D-CAP3™ mode control for fast transient response
    • Continual output current: 1 A
    • Advanced Eco-mode™ pulse skip
    • Integrated 150-mΩ /120-mΩ RDS(on) internal power switch
    • 580-kHz switching frequency
    • Internal soft start: 1 ms
    • Cycle-by-cycle overcurrent protection
    • Latched output OV/UV protections
  • 1.5-A LDO (VDDQ)
    • 1.5-A continual output current
    • Requires only 10 µF of ceramic output capacitor
    • Support high-Z in S3
    • ±30-mV VDDQ output accuracy (DC+AC)
  • Low quiescent current: 150 µA
  • Power good indicator
  • Output discharge function
  • Power up and power down sequencing control
  • Non-latch for OT and UVLO protections
  • 18-pin 3.0-mm × 3.0-mm HotRod™ VQFN package
  • Synchronous buck converter (VDD2)
    • Input voltage range: 4.5 V to 18 V
    • Output voltage fixed at 1.1 V
    • D-CAP3™ mode control for fast transient response
    • Continual output current: 8 A
    • Advanced Eco-mode™ pulse skip
    • Integrated 22-mΩ / 8.6-mΩ RDS(on) internal power switch
    • 600-kHz switching frequency
    • Internal soft start: 1.6 ms
    • Cycle-by-cycle overcurrent protection
    • Latched output OV/UV protections
  • Synchronous buck converter (VDD1)
    • Input voltage range: 3 V to 5.5 V
    • Output voltage fixed at 1.8 V
    • D-CAP3™ mode control for fast transient response
    • Continual output current: 1 A
    • Advanced Eco-mode™ pulse skip
    • Integrated 150-mΩ /120-mΩ RDS(on) internal power switch
    • 580-kHz switching frequency
    • Internal soft start: 1 ms
    • Cycle-by-cycle overcurrent protection
    • Latched output OV/UV protections
  • 1.5-A LDO (VDDQ)
    • 1.5-A continual output current
    • Requires only 10 µF of ceramic output capacitor
    • Support high-Z in S3
    • ±30-mV VDDQ output accuracy (DC+AC)
  • Low quiescent current: 150 µA
  • Power good indicator
  • Output discharge function
  • Power up and power down sequencing control
  • Non-latch for OT and UVLO protections
  • 18-pin 3.0-mm × 3.0-mm HotRod™ VQFN package

The TPS65296 device provides a complete power solution for LPDDR4/LPDDR4X memory system with the lowest total cost and minimum space. It meets the JEDEC standard for LPDDR4/LPDDR4X power-up and power-down sequence requirement. The TPS65296 integrates two synchronous buck converters (VDD1 and VDD2) and a 1.5-A LDO (VDDQ).

The TPS65296 employs D-CAP3™ mode with 600-kHz switching frequency for fast transient, good load/line regulation, and support for ceramic output capacitors without an external compensation circuit.

The TPS65296 provides rich functions as well as good efficiency with internal low Rdson power MOSFETs. It supports flexible power state control, placing VDDQ at high-Z in S3 and discharging VDD1, VDD2, and VDDQ in S4/S5 state. Full protection features include OVP, UVP, OCP, UVLO and thermal shutdown protection. The part is available in a thermally enhanced 18-pin HotRod™ VQFN package and is designed to operate under the –40°C to 125°C junction temperature range.

The TPS65296 device provides a complete power solution for LPDDR4/LPDDR4X memory system with the lowest total cost and minimum space. It meets the JEDEC standard for LPDDR4/LPDDR4X power-up and power-down sequence requirement. The TPS65296 integrates two synchronous buck converters (VDD1 and VDD2) and a 1.5-A LDO (VDDQ).

The TPS65296 employs D-CAP3™ mode with 600-kHz switching frequency for fast transient, good load/line regulation, and support for ceramic output capacitors without an external compensation circuit.

The TPS65296 provides rich functions as well as good efficiency with internal low Rdson power MOSFETs. It supports flexible power state control, placing VDDQ at high-Z in S3 and discharging VDD1, VDD2, and VDDQ in S4/S5 state. Full protection features include OVP, UVP, OCP, UVLO and thermal shutdown protection. The part is available in a thermally enhanced 18-pin HotRod™ VQFN package and is designed to operate under the –40°C to 125°C junction temperature range.
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* 資料表 TPS65296-Complete LPDDR4/LPDDR4X Memory Power Solution datasheet (Rev. A) PDF | HTML 2020/10/7

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開發板

TPS65295EVM-079 — 8-A 降壓轉換器評估模組

TPS65295 評估模組 (EMV) 可用於評估 TPS65295 裝置。TPS65295 裝置以最低的總成本及最小空間，為 DDR4 記憶體系統提供完整的電源解決方案。符合 DDR4 開機和關機順序要求的 JEDEC 標準。TPS65295 整合兩個同步降壓轉換器（VPP 和 VDDQ）、 1A 汲極和源極追蹤 LDO (VTT) ，以及緩衝低雜訊參考 (VTTREF)。TPS65295 採用 D-CAP3™ 模式，結合 600kHz 切換頻率，方便易用、快速瞬態，以及支援陶瓷輸出電容器，無需外部補償電路。
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TPS65296 TINA TI Reference Design

SLUM697.ZIP (471 KB) - TINA-TI 參考設計
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參考設計

TIPA-050005 — 適用於 PC 應用中 Tiger Lake 的非隔離負載點解決方案

Intel® Tiger Lake 微架構等先進處理器和平台需要負載點 (POL) 解決方案，來滿足記憶體、低功耗 CPU 軌，以及一系列充電電池或 12V 輸入匯流排的 3.3V 和 5V 軌需求。

 

此電源供應設計以最新 DC/DC 轉換器為亮點，展示可因應 PC 應用中一般 Tiger Lake 電源需求的功能。

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VQFN-HR (RJE) 18 Ultra Librarian
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