TPS5420-Q1

Name: TPS5420-Q1
Brand: TI
SKU: TPS5420-Q1
Price: 1.886 USD

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Abwärtswandler (Buck) für die Automobilindustrie, 5,5 bis 36 V, 500 KHz Festfrequenz, 2 A

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Datenblatt

document-pdfAcrobat TPS5420-Q1 Automotive, 2A, Wide-Input-Range Step-Down SWIFT™ Converter datasheet (Rev. D) (Englisch) PDF | HTML

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Alternativen vergleichen

Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung

LMR33620-Q1

AKTIV

Synchroner Abwärtsspannungswandler, 3,8 bis 36 V, 2 A Smaller footprint, higher efficiency, lower IQ and lower EMI.

TPS5420-Q1

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Rating

Automotive

Topology

Buck

Iout (max) (A)

2

Vin (max) (V)

36

Vin (min) (V)

5.5

Vout (max) (V)

31

Vout (min) (V)

1.23

Features

Enable, Over Current Protection, Soft Start Fixed

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.003

Duty cycle (max) (%)

89

Rating

Automotive

Topology

Buck

Iout (max) (A)

2

Vin (max) (V)

36

Vin (min) (V)

5.5

Vout (max) (V)

31

Vout (min) (V)

1.23

Features

Enable, Over Current Protection, Soft Start Fixed

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.003

Duty cycle (max) (%)

89

SOIC (D)

8

29.4 mm² 4.9 x 6

Qualified for automotive applications
Wide input voltage range: 5.5V to 36V
Up to 2A continuous (3A peak) output current
High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
Internal compensation minimizes external parts count
Fixed 500kHz switching frequency for small filter size
Improved line regulation and transient response by input voltage feed forward
System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
–40°C to 125°C operating junction temperature range
Available in small 8-pin SOIC package
Create a custom design using the TPS5420-Q1 device with the WEBENCH Power Designer

Qualified for automotive applications
Wide input voltage range: 5.5V to 36V
Up to 2A continuous (3A peak) output current
High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
Internal compensation minimizes external parts count
Fixed 500kHz switching frequency for small filter size
Improved line regulation and transient response by input voltage feed forward
System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
–40°C to 125°C operating junction temperature range
Available in small 8-pin SOIC package
Create a custom design using the TPS5420-Q1 device with the WEBENCH Power Designer

As a member of the SWIFT™ converter family of dc/dc regulators, the TPS5420-Q1 is a high-output-current PWM converter that integrates a low-resistance high-side N-channel MOSFET. Included on the substrate with the listed features is a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection, and thermal shutdown. To reduce design complexity and external component count, the TPS5420-Q1 feedback loop is internally compensated.

The TPS5420-Q1 device is available in an easy-to-use 8-pin SOIC package. TI provides evaluation modules and the SWIFT converter Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

As a member of the SWIFT™ converter family of dc/dc regulators, the TPS5420-Q1 is a high-output-current PWM converter that integrates a low-resistance high-side N-channel MOSFET. Included on the substrate with the listed features is a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection, and thermal shutdown. To reduce design complexity and external component count, the TPS5420-Q1 feedback loop is internally compensated.

The TPS5420-Q1 device is available in an easy-to-use 8-pin SOIC package. TI provides evaluation modules and the SWIFT converter Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Data sheet	TPS5420-Q1 Automotive, 2A, Wide-Input-Range Step-Down SWIFT™ Converter datasheet (Rev. D)	PDF \| HTML	13 Apr 2026

Design und Entwicklung

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