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LP8758-E0

ACTIVE

Four, single-phase, 4-A output DC-DC step-down converter

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Data sheet

LP8758-E0

ACTIVE
Data sheet Order now

Product details

Regulated outputs (#) 4 Configurability Factory programmable, Software configurable Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 0.5 Vout (max) (V) 3.36 Iout (max) (A) 4 Features Adjustable current limit, Dynamic voltage scaling, Enable, I2C, Light-load efficiency, Multiple outputs, Output discharge, Phase interleaving, Power good, Remote sense, Synchronous rectification Step-up DC/DC converter 0 Step-down DC/DC converter 4 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 0 Iq (typ) (mA) 0.006 Rating Catalog Switching frequency (max) (kHz) 3000 Operating temperature range (°C) -40 to 85 Shutdown current (ISD) (typ) (µA) 1 Switching frequency (typ) (kHz) 3000 Product type Processor and FPGA
Regulated outputs (#) 4 Configurability Factory programmable, Software configurable Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 0.5 Vout (max) (V) 3.36 Iout (max) (A) 4 Features Adjustable current limit, Dynamic voltage scaling, Enable, I2C, Light-load efficiency, Multiple outputs, Output discharge, Phase interleaving, Power good, Remote sense, Synchronous rectification Step-up DC/DC converter 0 Step-down DC/DC converter 4 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 0 Iq (typ) (mA) 0.006 Rating Catalog Switching frequency (max) (kHz) 3000 Operating temperature range (°C) -40 to 85 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
  • Fully Integrated Quad Buck, up to 4-A Programmable Maximum Output Current Per Buck
    • Auto PWM-PFM and Forced-PWM Operations
    • Programmable Output Voltage Slew Rate From 30 mV/µs to 0.5 mV/µs
    • Input Voltage Range: 2.5 V to 5.5 V
    • VOUT Range: 0.5 V to 3.36 V with DVS
  • Programmable Start-Up and Shutdown Sequencing With Enable Signal
  • I2C-Compatible Interface That 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 for EMI Reduction
  • The Four Buck Cores Operate 90° out of Phase Thereby Reducing Input Ripple Current
  • Overtemperature Warning and Protection
  • Undervoltage Lockout (UVLO)
  • Fully Integrated Quad Buck, up to 4-A Programmable Maximum Output Current Per Buck
    • Auto PWM-PFM and Forced-PWM Operations
    • Programmable Output Voltage Slew Rate From 30 mV/µs to 0.5 mV/µs
    • Input Voltage Range: 2.5 V to 5.5 V
    • VOUT Range: 0.5 V to 3.36 V with DVS
  • Programmable Start-Up and Shutdown Sequencing With Enable Signal
  • I2C-Compatible Interface That 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 for EMI Reduction
  • The Four Buck Cores Operate 90° out of Phase Thereby Reducing Input Ripple Current
  • Overtemperature Warning and Protection
  • Undervoltage Lockout (UVLO)

The LP8758-E0 device is designed to meet power management requirements for low-power processors in mobile phones, network cards, and similar applications. The device contains four step-down DC-DC converter cores, providing four output voltage rails. The device is controlled by an I2C-compatible serial interface.

The automatic PWM-PFM (AUTO mode) operation maximizes efficiency over a wide output-current range.

The LP8758-E0 supports programmable start-up and shutdown sequencing synchronized to hardware Enable input 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-E0 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-E0 device is designed to meet power management requirements for low-power processors in mobile phones, network cards, and similar applications. The device contains four step-down DC-DC converter cores, providing four output voltage rails. The device is controlled by an I2C-compatible serial interface.

The automatic PWM-PFM (AUTO mode) operation maximizes efficiency over a wide output-current range.

The LP8758-E0 supports programmable start-up and shutdown sequencing synchronized to hardware Enable input 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-E0 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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Technical documentation

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Type Title Date
* Data sheet Four-Output Synchronous Step-Down DC-DC Converter. datasheet (Rev. B) 05 Mar 2018
User guide LP8758 Quick Sample Module User Guide PDF | HTML 25 Aug 2022
EVM User's guide Using the LP8758-E0EVM Evaluation Module 10 Dec 2015
Technical article Powering your small-form-factor server line card PDF | HTML 04 Dec 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LP8758-E0EVM — LP8758-E0 Four Output Step-Down DC-DC Regulator Evaluation Module

The LP8758-E0EVM customer evaluation module demonstrates the LP8758-E0 device from Texas Instruments. The LP8758-E0 is designed to meet the power management requirements for low-power processors in mobile phones, network cards, and similar applications. The device contains four step-down DC-DC (...)

User guide: PDF
Not available on TI.com
GUI for evaluation module (EVM)

SNVC189 — LP8758-xxEVM GUI

Supported products & hardware

Supported products & hardware

Products
Multi-channel ICs (PMICs)
LP8758-B0 — Four-phase, single 16A output DC-DC step-down converter LP8758-E0 — Four, single-phase, 4-A output DC-DC step-down converter LP8758-E3 — Four, single-phase, 4-A output DC-DC step-down converter LP8758-EA — Four, single-phase 4-A output DC-DC step-down converter
Hardware development
Evaluation board
LP8758-E0EVM — LP8758-E0 Four Output Step-Down DC-DC Regulator Evaluation Module LP8758EVM — LP8758-B0 Four-Phase DC-DC Step-Down Converter Evaluation Module
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Support software

SNVC186 — LP8758EVM Qt Source

Supported products & hardware

Supported products & hardware

Products
Multi-channel ICs (PMICs)
LP8758-B0 — Four-phase, single 16A output DC-DC step-down converter LP8758-E0 — Four, single-phase, 4-A output DC-DC step-down converter LP8758-E3 — Four, single-phase, 4-A output DC-DC step-down converter LP8758-EA — Four, single-phase 4-A output DC-DC step-down converter
Hardware development
Evaluation board
LM26480SQ-AAEV — LM26480SQ-AA evaluation module: configurable power management IC (PMIC) with 2 DC/DCs and 2 LDOs LP8758EVM — LP8758-B0 Four-Phase DC-DC Step-Down Converter Evaluation Module
Download
Simulation model

LP8758-E0 LOAD TRANSIENT TINA-TI Transient Reference Design

SNVMBG8.TSC (596 KB) - TINA-TI Reference Design
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Simulation model

LP8758-E0 PSpice Transient Model

SNVMAW5.ZIP (278 KB) - PSpice Model
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Simulation model

LP8758-E0 STARTUP TINA-TI Transient Reference Design

SNVMBG7.TSC (559 KB) - TINA-TI Reference Design
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Simulation model

LP8758-E0 TINA-TI Transient Spice Model

SNVMBG6.ZIP (223 KB) - TINA-TI Spice Model
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Calculation tool

PEET-GUI — PMIC Efficiency Estimator Tool (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 (...)
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DSBGA (YFF) 35 Ultra Librarian
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