TPS53219A

ACTIVO

Controlador reductor D-CAP síncrono de 3 V a 28 V, 20 A, con Eco Mode

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Hoja de datos

document-pdfAcrobat TPS53219A 3-V to 28-V Input, D-CAP, Eco-Mode™, synchronous buck controller datasheet (Rev. B) (Inglés) PDF | HTML

TPS53219A

ACTIVO

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Detalles del producto

Rating

Catalog

Topology

Buck

Iout (max) (A)

20

Vin (max) (V)

28

Vin (min) (V)

3

Vout (max) (V)

5.5

Vout (min) (V)

0.6

Control mode

D-CAP

Features

Enable, Light-load efficiency, Power good, Prebias startup

Duty cycle (max) (%)

90

Iq (typ) (A)

0.0004

Number of phases

1

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Topology

Buck

Iout (max) (A)

20

Vin (max) (V)

28

Vin (min) (V)

3

Vout (max) (V)

5.5

Vout (min) (V)

0.6

Control mode

D-CAP

Features

Enable, Light-load efficiency, Power good, Prebias startup

Duty cycle (max) (%)

90

Iq (typ) (A)

0.0004

Number of phases

1

Operating temperature range (°C)

-40 to 85

VQFN (RGT)

16

9 mm² (3 mm × 3 mm)

Conversion input voltage range: 3 V to 28 V
VDD input voltage range: 4.5 V to 25 V
Output voltage range: 0.6 V to 5.5 V
Wide output load range: 0 A to > 20 A
Built-in 0.6-V (±0.8%) reference
Built-in LDO linear voltage regulator
Auto-skip Eco-Mode™ for light-load efficiency
D-CAP™ mode with 100-ns load-step response
Adaptive ON-time control architecture with 8 selectable frequency settings
4700ppm/°C R_DS(on)current sensing
0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms selectable internal voltage servo soft start
Pre-charged start-up capability
Built-in output discharge
Open-drain power-good output
Integrated boost switch
Built-In OVP/UVP/OCP
Thermal shutdown (non-latch)
3-mm × 3-mm QFN, 16-Pin (RGT) package

Conversion input voltage range: 3 V to 28 V
VDD input voltage range: 4.5 V to 25 V
Output voltage range: 0.6 V to 5.5 V
Wide output load range: 0 A to > 20 A
Built-in 0.6-V (±0.8%) reference
Built-in LDO linear voltage regulator
Auto-skip Eco-Mode™ for light-load efficiency
D-CAP™ mode with 100-ns load-step response
Adaptive ON-time control architecture with 8 selectable frequency settings
4700ppm/°C R_DS(on)current sensing
0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms selectable internal voltage servo soft start
Pre-charged start-up capability
Built-in output discharge
Open-drain power-good output
Integrated boost switch
Built-In OVP/UVP/OCP
Thermal shutdown (non-latch)
3-mm × 3-mm QFN, 16-Pin (RGT) package

The TPS53219A device is a small-sized single buck controller with adaptive ON-time D-CAP mode control. The device is suitable for low output voltage, high current, PC system power rail and similar point-of-load (POL) power supplies in digital consumer products. The small package and minimal pin-count save space on the PCB, while the dedicated EN pin and pre-set frequency selections simplify the power supply design. The skip mode at light load conditions, strong gate drivers, and low-side FET R_DS(on) current sensing supports low-loss and high efficiency, over a broad load range. The conversion input voltage (high-side FET drain voltage) range is between 4.5 V and 25 V, and the output voltage range is between 0.6 V and 5.5 V. The TPS53219A is available in a 16-pin, QFN package specified from –40°C to +85°C.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato
*	Hoja de datos	TPS53219A 3-V to 28-V Input, D-CAP, Eco-Mode™, synchronous buck controller datasheet (Rev. B)	PDF \| HTML	19/02/2019
	Analog Design Journal	Control-Mode Quick Reference Guide (Rev. B)	PDF \| HTML	29/08/2023
	Nota sobre la aplicación	D-CAP(TM) Mode With All-Ceramic Output Capacitor Application		3/02/2011

Diseño y desarrollo

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Placa de evaluación

TPS53219EVM-690 — Controlador reductor síncrono simple, Eco-Mode™, tensión de entrada amplia TPS53219EVM-690

The TPS53219EVM-690 evaluation module (EVM) uses the TPS53219. The TPS53219 is a small-size, single buck controller with adaptive on-time D-CAP™ mode control. It provides a fixed 1.1-V output at up to 25 A from a 12-V input bus. TPS53219EVM-690 also uses the 5-mm x 6-mm TI power block MOSFET (...)

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