LP8758-B0

現行

四相單 16A 輸出 DC-DC 降壓轉換器

產品詳細資料

Regulated outputs (#) 1 Step-down DC/DC converter 1 Step-up DC/DC converter 0 LDO 0 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 0.5 Vout (max) (V) 3.36 Iout (max) (A) 16 Configurability Factory programmable, Software configurable Features Adjustable current limit, Dynamic voltage scaling, Enable, Light-load efficiency, Multiple outputs, Output discharge, Phase interleaving, Power good, Remote sense, Synchronous rectification Rating Catalog Operating temperature range (°C) -40 to 85 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 0.006 Switching frequency (max) (kHz) 3300 Shutdown current (ISD) (typ) (µA) 1 Switching frequency (typ) (kHz) 3000 Product type Processor and FPGA
Regulated outputs (#) 1 Step-down DC/DC converter 1 Step-up DC/DC converter 0 LDO 0 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 0.5 Vout (max) (V) 3.36 Iout (max) (A) 16 Configurability Factory programmable, Software configurable Features Adjustable current limit, Dynamic voltage scaling, Enable, Light-load efficiency, Multiple outputs, Output discharge, Phase interleaving, Power good, Remote sense, Synchronous rectification Rating Catalog Operating temperature range (°C) -40 to 85 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 0.006 Switching frequency (max) (kHz) 3300 Shutdown current (ISD) (typ) (µA) 1 Switching frequency (typ) (kHz) 3000 Product type Processor and FPGA
DSBGA (YFF) 35 6.6 mm² 2.2 x 3
  • High-Efficiency Step-Down Four-Phase DC/DC Converter Cores:
    • Maximum Output Current 16 A
    • Auto PWM-PFM and Forced-PWM Operations
    • Auto Phase Adding/Shedding and Force Multi-Phase Operations
    • Remote Differential Feedback Voltage Sensing
    • Programmable Output Voltage Slew-Rate from 30 mV/µs to 0.5 mV/µs
    • VOUT Range = 0.5 V to 3.36 V with DVS
  • Programmable Start-up and Shutdown Delays with Enable Signal
  • I2C-Compatible Interface which Supports Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
  • Interrupt Function with Programmable Masking
  • Load Current Measurement
  • Output Short-Circuit and Overload Protection
  • Spread-Spectrum Mode and Phase Interleaving for EMI Reduction
  • Overtemperature Warning and Protection
  • Undervoltage Lockout (UVLO)
  • High-Efficiency Step-Down Four-Phase DC/DC Converter Cores:
    • Maximum Output Current 16 A
    • Auto PWM-PFM and Forced-PWM Operations
    • Auto Phase Adding/Shedding and Force Multi-Phase Operations
    • Remote Differential Feedback Voltage Sensing
    • Programmable Output Voltage Slew-Rate from 30 mV/µs to 0.5 mV/µs
    • VOUT Range = 0.5 V to 3.36 V with DVS
  • Programmable Start-up and Shutdown Delays with Enable Signal
  • I2C-Compatible Interface which Supports Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
  • Interrupt Function with Programmable Masking
  • Load Current Measurement
  • Output Short-Circuit and Overload Protection
  • Spread-Spectrum Mode and Phase Interleaving for EMI Reduction
  • Overtemperature Warning and Protection
  • Undervoltage Lockout (UVLO)

The LP8758 is designed to meet the power management requirements of the latest application processors in mobile phones and similar portable applications. The device contains four step-down DC/DC converter cores, which are bundled together in a single 4-phase buck converter. The device is controlled by an I2C-compatible serial interface.

The automatic PWM-PFM (AUTO mode) operation, together with the automatic phase adding/shedding, maximizes efficiency over a wide output-current range. The LP8758 supports remote differential voltage sensing to compensate IR drop between the regulator output and the point-of-load, thus improving the accuracy of the output voltage.

The LP8758 supports programmable start-up and shutdown delays synchronized to Enable signal.

The protection features include short-circuit protection, current limits, input supply UVLO, and temperature warning and shutdown functions. Several error flags are provided for status information of the device. In addition, the LP8758 device supports load current measurement without the addition of external current sense resistors. During start-up and voltage change, the device controls the output slew rate to minimize output voltage overshoot and the inrush current.

The LP8758 is designed to meet the power management requirements of the latest application processors in mobile phones and similar portable applications. The device contains four step-down DC/DC converter cores, which are bundled together in a single 4-phase buck converter. The device is controlled by an I2C-compatible serial interface.

The automatic PWM-PFM (AUTO mode) operation, together with the automatic phase adding/shedding, maximizes efficiency over a wide output-current range. The LP8758 supports remote differential voltage sensing to compensate IR drop between the regulator output and the point-of-load, thus improving the accuracy of the output voltage.

The LP8758 supports programmable start-up and shutdown delays synchronized to Enable signal.

The protection features include short-circuit protection, current limits, input supply UVLO, and temperature warning and shutdown functions. Several error flags are provided for status information of the device. In addition, the LP8758 device supports load current measurement without the addition of external current sense resistors. During start-up and voltage change, the device controls the output slew rate to minimize output voltage overshoot and the inrush current.

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類型 標題 日期
* Data sheet LP8758-B0 Four-Phase DC/DC Step-Down Converter datasheet (Rev. C) PDF | HTML 2018年 3月 2日
User guide LP8758 Quick Sample Module User Guide PDF | HTML 2022年 8月 25日
Application note LP8758 Flexible Four-Core Buck Regulator 2015年 8月 17日
Technical article Multiphase DC/DC converters provide low ripple, integrated solution for FPGA power PDF | HTML 2015年 7月 9日
EVM User's guide Using the LP8758EVM Evaluation Module 2015年 5月 21日

設計與開發

如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LP8758EVM — LP8758-B0 四相 DC-DC 降壓轉換器評估模組

The LP8758EVM demonstrates the integrated circuit LP8758 from Texas Instruments. The LP8758 is a high-performance, multiphase step-down converter designed to meet the power management requirements of the latest applications processors in mobile phones and similar portable applications. The device (...)

使用指南: PDF
TI.com 無法提供
開發模組 (EVM) 的 GUI

SNVC189 LP8758-xxEVM GUI

支援產品和硬體

支援產品和硬體

產品
多通道 IC (PMIC)
LP8758-B0 四相單 16A 輸出 DC-DC 降壓轉換器 LP8758-E0 四個單相 4-A 輸出 DC-DC 降壓轉換器 LP8758-E3 四個單相 4-A 輸出 DC-DC 降壓轉換器 LP8758-EA 四個單相 4-A 輸出 DC-DC 降壓轉換器
硬體開發
開發板
LP8758-E0EVM LP8758-E0 四路輸出降壓 DC-DC 穩壓器評估模組 LP8758EVM LP8758-B0 四相 DC-DC 降壓轉換器評估模組
支援軟體

SNVC186 LP8758EVM Qt Source

支援產品和硬體

支援產品和硬體

產品
多通道 IC (PMIC)
LP8758-B0 四相單 16A 輸出 DC-DC 降壓轉換器 LP8758-E0 四個單相 4-A 輸出 DC-DC 降壓轉換器 LP8758-E3 四個單相 4-A 輸出 DC-DC 降壓轉換器 LP8758-EA 四個單相 4-A 輸出 DC-DC 降壓轉換器
硬體開發
開發板
LM26480SQ-AAEV LM26480SQ-AA 評估模組:可配置電源管理 IC (PMIC),具有 2 個 DC/DC 和 2 個 LDO LP8758EVM LP8758-B0 四相 DC-DC 降壓轉換器評估模組
模擬型號

LP8758-B0 PSpice Transient Model

SNVMAW2.ZIP (265 KB) - PSpice Model
計算工具

PEET-GUI — PMIC 效率評估器工具 (PEET)

The PMIC Efficiency Estimator Tool (PEET GUI) is a graphical user interface used to easily evaluate PMIC DC/DC regulator efficiency relative to your design conditions. The PEET GUI can be used to configure each DC/DC regulator separately and provides real-time efficiency and power dissipation data (...)
參考設計

TIDA-00574 — Xilinx Zynq 7000 系列 5W 小型高效率低雜訊電源解決方案參考設計

The TIDA-00574 shows small solution size and high curren density & low noise power solution.  It supports internal sequencing and high output voltage accuracy.
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00596 — 適用於伺服器線路卡的小尺寸解決方案多軌參考設計

The TIDA-00596 shows small solution size and high curren density power rails. Supports Internal Sequencing and high output voltage accuracy.
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
DSBGA (YFF) 35 Ultra Librarian

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