TPS51163

Name: TPS51163
Brand: TI
SKU: TPS51163
Price: 0.653 USD

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4,5 V bis 12 V, 600 kHz, Synchron-Abwärtsregler mit Hochstrom-Gate-Treiber

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Datenblatt

document-pdfAcrobat SINGLE SYNCHRONOUS BUCK CONTROLLER datasheet (Englisch)

TPS51163

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

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) (%)

69

Number of phases

1

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) (%)

69

Number of phases

1

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 R_DS(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 R_DS(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 R_DS(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 R_DS(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.

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Technische Dokumentation

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Alle anzeigen 2

	Typ	Titel		Datum
*	Data sheet	SINGLE SYNCHRONOUS BUCK CONTROLLER datasheet		12 Jul 2008
	User guide	TPS51163 Buck Controller Evaluation Module User's Guide (Rev. A)	PDF \| HTML	03 Feb 2022

Design und Entwicklung

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