TPS50601-SP

ACTIVE

Radiation-hardness-assured (RHA), 3-V to 6.3-V input, 6-A synchronous step-down converter

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TPS50601A-SP ACTIVE Radiation-hardness-assured (RHA), 3-V to 7-V input, 6-A synchronous step-down converter Improved SEFI radiation performance (75 MeV) and internal voltage reference (1.5%)
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Product details

Parameters

Vin (Min) (V) 3 Vin (Max) (V) 6.3 Vout (Min) (V) 0.795 Vout (Max) (V) 6.35 Iout (Max) (A) 6 Iq (Typ) (uA) 5000 Switching frequency (Min) (kHz) 100 Switching frequency (Max) (kHz) 1000 Features Enable, Frequency Synchronization, Over Current Protection, Power Good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO Adjustable Operating temperature range (C) -55 to 125, 25 to 25 Rating Space Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

CFP (HKH) 20 94 mm² 12.7 x 2.9 open-in-new Find other Buck converters (integrated switch)

Features

  • 5962R10221:
    • Radiation Hardness Assurance (RHA) up to TID 100 krad (Si)
    • ELDRS Free 100 krad (Si) – 10 mRAD(Si)/s
    • Single Event Latchup (SEL) Immune to
      LET = 85 MeV-cm2/mg (See Radiation Report, http://www.ti.com/radiation)
    • SEB and SEGR Immune to 85 MeV-cm2/mg, SOA Curve Available (See Radiation Report)
    • SET/SEFI Cross-Section Plot Available (See Radiation Report)
  • Peak Efficiency: 95% (VO = 3.3 V)
  • Integrated 55-mΩ/50-mΩ MOSFETs
  • Split Power Rail: 1.6 to 6.3 V on PVIN
  • Power Rail: 3 to 6.3 V on VIN
  • 6-A Maximum Output Current
  • Flexible Switching Frequency Options:
    • 100-kHz to 1-MHz Adjustable Internal Oscillator
    • External Sync Capability: 100 kHz to 1 MHz
    • Sync Pin can be Configured as a 500-kHz Output for Master/Slave Applications
  • 0.795-V ±1.258% Voltage Reference at 25°C
  • Monotonic Start-Up into Prebiased Outputs
  • Adjustable Soft Start Through External Capacitor
  • Input Enable and Power-Good Output for Power Sequencing
  • Power Good Output Monitor for Undervoltage and Overvoltage
  • Adjustable Input Undervoltage Lockout (UVLO)
  • 20-Pin Thermally-Enhanced Ceramic Flatpack Package (HKH)
  • See www.ti.com/swift for SWIFT Documentation
  • See the Tools & Software Tab
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Description

The TPS50601-SP is a radiation hardened, 6.3-V, 6-A synchronous step-down converter, which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and a high switching frequency, reducing the inductor's footprint. The devices are offered in a thermally enhanced 20-pin ceramic, dual in-line flatpack package.

The output voltage startup ramp is controlled by the SS/TR pin which allows operation as either a stand alone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open drain power good pins.

Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit which turns off the low-side MOSFET to prevent excessive reverse current. Thermal shutdown disables the part when die temperature exceeds thermal shutdown temperature.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 19
Type Title Date
* Datasheet TPS50601-SP Radiation Hardened 1.6- to 6.3-V Input, 6-A Synchronous Buck Converter datasheet Dec. 05, 2015
* Radiation & reliability report TPS50601-SP Neutron Displacement Damage Characterization (Rev. A) Mar. 29, 2019
* Radiation & reliability report TPS50601-SP Synchronous Step-Down Converter Single-Event Effects Summary (Rev. A) Dec. 11, 2017
* Radiation & reliability report TPS50601-SP Total Ionizing Dose (TID) Radiation Report Jul. 08, 2016
* SMD TPS50601-SP SMD 5962-10221 Jun. 21, 2016
Application note DLA Standard Microcircuit Drawings (SMD) and JAN Part Numbers Primer Aug. 21, 2020
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations May 18, 2020
Application note Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form May 18, 2020
Application note TPS50601x-SP Comparison Guide (Rev. A) Apr. 06, 2020
Application note Single-Event Effects Confidence Interval Calculations Jan. 14, 2020
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing Jun. 17, 2019
E-book Preview: Radiation Handbook for Electronics (Rev. A) Jun. 07, 2019
E-book Radiation Handbook for Electronics (Rev. A) May 21, 2019
Selection guide TI Space Products (Rev. G) May 15, 2019
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application note TI Space Rated Power Solution for Microsemi® RTG4™ FPGA (Rev. A) Jul. 27, 2018
Technical articles 7 things to know about spacecraft subsystems before your next trip to Mars Jul. 06, 2016
Technical articles How to configure a Point of Load converter (POL) for negative or isolated output voltages Oct. 08, 2013
User guide TPS50601SPEVM, 6-A/12-A, SWIFT™ Regulator Evaluation Module Jan. 30, 2013

Design & development

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

Hardware development

EVALUATION BOARD Download
799
Description

The TPS50601-SP DC/DC converter is designed to provide up to a 6-A output in single phase operation (TPS50601SPEVM-S) and up to 12 A in dual phase operation (TPS50601SPEVM-D), when each phase is configured to provide 6-A per phase.

TPS50601SPEVM-D can also be configured such that each phase provides (...)

Features
  • Integrated 55-mΩ/50-mΩ MOSFETs
  • Split Power Rail: 1.6 V to 6.3 V on PVIN
  • Power Rail: 3 V to 6.3 V on VIN
  • SEL Latchup Immune to LET = 85 MeV
  • Total Dose (TID) tolerance = 100kRad (Si)
  • 0.795-V ±1.258% Voltage Reference at 25°C
  • Monotonic Start-Up into Pre-Biased Outputs
  • Adjustable Slow Start and Power Sequencing
  • (...)
EVALUATION BOARD Download
699
Description

The TPS50601-SP DC/DC converter is designed to provide up to a 6-A output in single phase operation (TPS50601SPEVM-S) and up to 12 A in dual phase operation (TPS50601SPEVM-D), when each phase is configured to provide 6-A per phase.

TPS50601SPEVM-D can also be configured such that each phase provides (...)

Features
  • Integrated 55-mΩ/50-mΩ MOSFETs
  • Split Power Rail: 1.6 V to 6.3 V on PVIN
  • Power Rail: 3 V to 6.3 V on VIN
  • SEL Latchup Immune to LET = 85 MeV
  • Total Dose (TID) tolerance = 100kRad (Si)
  • 0.795-V ±1.258% Voltage Reference at 25°C
  • Monotonic Start-Up into Pre-Biased Outputs
  • Adjustable Slow Start and Power Sequencing
  • (...)

Design tools & simulation

SIMULATION MODEL Download
SLVMBS9.ZIP (8 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SLVMBT0.TSC (860 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SLVMBT4.TSC (916 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SLVMBT5.ZIP (60 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SLVMDD3.ZIP (98 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SLVMDE9.ZIP (29 KB) - TINA-TI Spice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
CALCULATION TOOL Download
SLVRBG5.ZIP (100 KB)

Reference designs

REFERENCE DESIGNS Download
TPS50601SPEVM MINI POL Reference Design
PMP8904 The TPS50601-SP MINI POL converter is designed to demonstrate reduced footprint that can be achieved using a single sided layout. The footprint can be further reduced if configured in dual sided layout. Reference Schematic and BOM are attached for the Mini POL with recommended space qualified (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
(KGD) 0 View options
CFP (HKH) 20 View options

Ordering & quality

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  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

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