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Datasheet Texas Instruments TPS65400RGZR

Datasheet Texas Instruments TPS65400RGZR

ManufacturerTexas Instruments
Part NumberTPS65400RGZR

4.5V to 18V input, 4A/4A/2A/2A synchronous quad converter with PMBus/I2C Interface 48-VQFN -40 to 85


  • Download » Datasheet, PDF, 1.5 Mb, Revision: B, 09-25-2015, File uploaded 03-23-2018
    TPS65400 4.5- to 18-V Input Flexible Power Management Unit With PMBus/I2C Interface datasheet
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    SLVSCQ9B – NOVEMBER 2014 – REVISED SEPTEMBER 2015 TPS65400 4.5-to 18-V Input Flexible Power Management Unit With PMBus/I2C Interface
    1 Features 1 Efficiency up to 95% for Each Switching Regulator
    Switching Regulator Specifications:
    – Input Voltage Range: 4.5 to 18 V
    – Vout Range: 0.6 V-90%Vin
    – SW1, SW2 Iout: 4-A Max
    – SW3, SW4 Iout: 2-A Max
    Pre-Bias Startup Algorithm Minimizes Voltage Dip
    During Startup
    Internal Undervoltage Lockout (UVLO),
    Overcurrent Protection (OCP), Overvoltage
    Protection (OVP), and Overtemperature Protection
    AECQ-100 Grade 1 Option
    Thermally-Enhanced 7-mm × 7-mm 48-Pin, 0.5mm Pitch VQFN Package
    Pin Accessible Features:
    – Adjustable VOUT With External Feedback ...


Family: TPS65400


Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes


Package TypeRGZ
Industry STD TermVQFN
Package QTY2500
CarrierLARGE T&R
Device MarkingTPS65400
Width (mm)7
Length (mm)7
Thickness (mm).9
Pitch (mm).5
Max Height (mm)1
Mechanical DataDownload »


Control ModeCurrent Mode
Duty Cycle(Max)92.5 %
Iout(Max)4 A
Iq(Typ)8 mA
Operating Temperature Range-40 to 85 C
Package GroupVQFN
Regulated Outputs4
Special FeaturesAdjustable Current Limit,Dynamic Voltage Scaling,Enable,Frequency Synchronization,Light Load Efficiency,PMBus,Phase Interleaving,Power Good,Pre-Bias Start-Up,Synchronous Rectification,UVLO Adjustable
Switching Frequency(Max)2200 kHz
Switching Frequency(Min)275 kHz
Vin(Max)18 V
Vin(Min)4.5 V
Vout(Max)16 V
Vout(Min)0.8 V

Eco Plan


Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: TPS65400EVM-678
    TPS65400EVM Evaluation Module
    Lifecycle Status: Active (Recommended for new designs)

Moldel Line

Series: TPS65400 (2)

Manufacturer's Classification

  • Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Converter (Integrated Switch)
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