Four-phase, quad 4A output DC-DC step-down converter
Product details
Parameters
Package | Pins | Size
Features
- 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)
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Description
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.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | LP8758-E0 Four-Output Synchronous Step-Down DC-DC Converter datasheet (Rev. B) | Mar. 05, 2018 |
User guide | Using the LP8758-E0EVM Evaluation Module | Dec. 10, 2015 | |
Technical article | Powering your small-form-factor server line card | Dec. 04, 2015 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
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 (...)
Features
- Software Controller
- USB-TO-I2C interface supports 3.4 MHz clock rate on the I2C bus.
- Versatile GUI: Status indicators shows the status of the converters.
- Console application allows running scripts. Application can execute user specified scripts.
- Convenient test points for all I/O's
Software development
Design tools & simulation
Features
- Efficiency data based on available measurement data
- Automatic data plotting
- Export efficiency curves
Reference designs
Design files
-
download TIDA-00719 BOM.pdf (134KB) -
download TIDA-00719 PCB.pdf (2362KB) -
download TIDA-00719 Gerber.zip (409KB)
Design files
-
download TIDA-00596 BOM.pdf (223KB) -
download TIDA-00596 Gerber.zip (1475KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
DSBGA (YFF) | 35 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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