Home Power management AC/DC & DC/DC controllers (external FET)
Home
Power management
AC/DC & DC/DC controllers (external FET)

TPS51113

ACTIVE

4.5-V to 13.2-V, 300 kHz synchronous buck controller with high current gate driver

Order now
Data sheet

TPS51113

ACTIVE
Data sheet Order now

Product details

Vin (min) (V) 4.5 Vin (max) (V) 13.2 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Rating Catalog Vout (min) (V) 0.8 Vout (max) (V) 8 Iq (typ) (A) 0.006 Duty cycle (max) (%) 72
Vin (min) (V) 4.5 Vin (max) (V) 13.2 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Rating Catalog Vout (min) (V) 0.8 Vout (max) (V) 8 Iq (typ) (A) 0.006 Duty cycle (max) (%) 72
VSON (DRC) 10 9 mm² 3 x 3
  • Flexible Power Rails: 5 V to 12 V
  • Reference: 800 mV ± 0.8%
  • Voltage Mode Control
  • Support Pre-biased Startup
  • Programmable Overcurrent Protection with Low-Side RDS(on) Current Sensing
  • Fixed 300-kHz (TPS51113) and 600-kHz (TPS51163) Switching Frequency
  • UV/OV Protections and Power Good Indicator
  • Internal Soft-start
  • Integrated High-Current Drivers Powered by VDD
  • 10-Pin 3 × 3 SON Package
  • APPLICATIONS
    • Server and Desktop Computer Subsystem Power Supplies (MCH, IOCH, PCI, Termination)
    • Distributed Power Supplies
    • General DC-DC Converters
  • Flexible Power Rails: 5 V to 12 V
  • Reference: 800 mV ± 0.8%
  • Voltage Mode Control
  • Support Pre-biased Startup
  • Programmable Overcurrent Protection with Low-Side RDS(on) Current Sensing
  • Fixed 300-kHz (TPS51113) and 600-kHz (TPS51163) Switching Frequency
  • UV/OV Protections and Power Good Indicator
  • Internal Soft-start
  • Integrated High-Current Drivers Powered by VDD
  • 10-Pin 3 × 3 SON Package
  • APPLICATIONS
    • Server and Desktop Computer Subsystem Power Supplies (MCH, IOCH, PCI, Termination)
    • Distributed Power Supplies
    • General DC-DC Converters

The TPS51113 and TPS51163 are cost-optimized, feature rich, single-channel synchronous-buck controllers that operates from a single 4.5-V to 13.2-V supply and can convert an input voltage as low as 1.5 V.

The controller implements voltage mode control with a fixed 300-kHz (TPS51113) and 600-kHz (TPS51163) switching frequency. The overcurrent (OC) protection employs the low-side RDS(on) current sensing and has user-programmable threshold. The OC threshold is set by the resistor from LDRV_OC pin to GND. The resistor value is read when the over-current programming circuit applies 10 µA of current to the LDRV_OC pin during the calibration phase of the start-up sequence.

The TPS51113/TPS51163 also supports output pre-biased startup.

The strong gate drivers with low deadtime allow for the utilization of larger MOSFETs to achieve higher efficiency. An adaptive anti-cross conduction scheme is used to prevent shoot-through between the power FETs.

The TPS51113 and TPS51163 are cost-optimized, feature rich, single-channel synchronous-buck controllers that operates from a single 4.5-V to 13.2-V supply and can convert an input voltage as low as 1.5 V.

The controller implements voltage mode control with a fixed 300-kHz (TPS51113) and 600-kHz (TPS51163) switching frequency. The overcurrent (OC) protection employs the low-side RDS(on) current sensing and has user-programmable threshold. The OC threshold is set by the resistor from LDRV_OC pin to GND. The resistor value is read when the over-current programming circuit applies 10 µA of current to the LDRV_OC pin during the calibration phase of the start-up sequence.

The TPS51113/TPS51163 also supports output pre-biased startup.

The strong gate drivers with low deadtime allow for the utilization of larger MOSFETs to achieve higher efficiency. An adaptive anti-cross conduction scheme is used to prevent shoot-through between the power FETs.

open-in-new Find other AC/DC & DC/DC controllers (external FET)
Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Drop-in replacement with upgraded functionality to the compared device
TPS51163 ACTIVE 4.5-V to 12-V, 600-kHz synchronous buck controller with high current gate driver Increases max operating switching frequency to 600-kHz.

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 2
Type Title Date
* Data sheet SINGLE SYNCHRONOUS BUCK CONTROLLER datasheet 12 Jul 2008
User guide TPS51113 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 01 Feb 2022

Design & development

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

Simulation model

TPS51113 TINA-TI Start-up Reference Design (Rev. A)

SLIM231A.TSC (210 KB) - TINA-TI Reference Design
Download
Simulation model

TPS51113 TINA-TI Steady State Reference Design (Rev. A)

SLIM232A.TSC (210 KB) - TINA-TI Reference Design
Download
Simulation model

TPS51113 TINA-TI Transient Spice Model (Rev. A)

SLIM230A.ZIP (61 KB) - TINA-TI Spice Model
Download
Simulation model

TPS51113 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM012A.ZIP (81 KB) - PSpice Model
Download
Package Pins Download
VSON (DRC) 10 View options
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos