TPS62590-Q1

AKTIV

Abwärtswandler (Buck) für die Automobilindustrie, 2,5 bis 6 V, 2,25 MHz Festfrequenz, 1A, in SON-Geh

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Datenblatt

document-pdfAcrobat TPS62590-Q1 Automotive 2.25-MHz 1-A Step-Down Converter In 2-mm × 2-mm SON Package datasheet (Rev. B) (Englisch) PDF | HTML

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Alternativen vergleichen

Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung.

TPS628501-Q1

AKTIV

Abwärtswandler für die Automobilindustrie, 2,7 V bis 6 V, 1 A, im SOT-583-Gehäuse Smaller size with output voltage accuracy ±1%.

TPS62590-Q1

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Rating

Automotive

Topology

Buck

Iout (max) (A)

1

Vin (max) (V)

6

Vin (min) (V)

2.5

Vout (max) (V)

6

Vout (min) (V)

0.75

Features

Enable, Forced PWM, Light load efficiency, Synchronous Rectification

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 105

Iq (typ) (A)

0.000015

Duty cycle (max) (%)

100

Rating

Automotive

Topology

Buck

Iout (max) (A)

1

Vin (max) (V)

6

Vin (min) (V)

2.5

Vout (max) (V)

6

Vout (min) (V)

0.75

Features

Enable, Forced PWM, Light load efficiency, Synchronous Rectification

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 105

Iq (typ) (A)

0.000015

Duty cycle (max) (%)

100

WSON (DRV)

6

4 mm² (2 mm × 2 mm)

Qualified for Automotive Applications
Output Current up to 1000 mA
Input Voltage Range from 2.5 V to 6 V
High Efficiency Step Down Converter
Output Voltage Accuracy in PWM mode ±2.5%
Typical 15-µA Quiescent Current
2.25 MHz Fixed Frequency Operation
Power Save Mode at Light Load Currents
100% Duty Cycle for Lowest Dropout

Qualified for Automotive Applications
Output Current up to 1000 mA
Input Voltage Range from 2.5 V to 6 V
High Efficiency Step Down Converter
Output Voltage Accuracy in PWM mode ±2.5%
Typical 15-µA Quiescent Current
2.25 MHz Fixed Frequency Operation
Power Save Mode at Light Load Currents
100% Duty Cycle for Lowest Dropout

The TPS62590-Q1 device is a high-efficiency synchronous step-down converter, optimized for space constrained applications and very low quiescent current requirements. It provides up to 1000-mA output current from preregulated low voltage rails and consumes 15 µA (typical) in power-save mode.

With an input voltage range of 2.5 V to 6 V and an output voltage accuracy of 2.5%, the device is targeted to power a large variety of automotive applications.

The TPS62590-Q1 family operates at a 2.25-MHz fixed switching frequency and enters a power-save mode at light load currents to maintain a high efficiency over the entire load current range.

The power-save mode is optimized for low output-voltage ripple. For low-noise applications, the device can be forced into fixed-frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 µA. The TPS62590-Q1 allows the use of small inductors and capacitors to achieve a small solution size.

The TPS62590-Q1 is available in a 2-mm × 2-mm 6-pin SON package with a thermal pad for improved thermal performance.

The TPS62590-Q1 device is a high-efficiency synchronous step-down converter, optimized for space constrained applications and very low quiescent current requirements. It provides up to 1000-mA output current from preregulated low voltage rails and consumes 15 µA (typical) in power-save mode.

With an input voltage range of 2.5 V to 6 V and an output voltage accuracy of 2.5%, the device is targeted to power a large variety of automotive applications.

The TPS62590-Q1 family operates at a 2.25-MHz fixed switching frequency and enters a power-save mode at light load currents to maintain a high efficiency over the entire load current range.

The power-save mode is optimized for low output-voltage ripple. For low-noise applications, the device can be forced into fixed-frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 µA. The TPS62590-Q1 allows the use of small inductors and capacitors to achieve a small solution size.

The TPS62590-Q1 is available in a 2-mm × 2-mm 6-pin SON package with a thermal pad for improved thermal performance.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	TPS62590-Q1 Automotive 2.25-MHz 1-A Step-Down Converter In 2-mm × 2-mm SON Package datasheet (Rev. B)	PDF \| HTML	15.10.2015
	Anwendungshinweis	QFN and SON PCB Attachment (Rev. C)	PDF \| HTML	06.12.2023
	Analog Design Journal	Methods of output-voltage adjustment for DC/DC converters		14.06.2019
	Anwendungshinweis	Performing Accurate PFM Mode Efficiency Measurements (Rev. A)		11.12.2018
	Analog Design Journal	Understanding 100% mode in low-power DC/DC converters		22.06.2018
	Analog Design Journal	Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold		24.10.2017
	Analog Design Journal	Testing tips for applying external power to supply outputs without an input voltage		24.10.2016
	Anwendungshinweis	Basic Calculation of a Buck Converter's Power Stage (Rev. B)	PDF \| HTML	17.08.2015
	Analog Design Journal	Five steps to a great PCB layout for a step-down converter		29.01.2015
	Analog Design Journal	Design considerations for a resistive feedback divider in a DC/DC converter		26.04.2012
	Anwendungshinweis	Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)		13.01.2012
	Analog Design Journal	IQ: What it is, what it isn’t, and how to use it		17.06.2011

Design und Entwicklung

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