Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)
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AC/DC- und DC/DC-Wandler (integrierter FET)

TPS543620

AKTIV

Synchroner SWIFT™-Abwärtswandler, 4 bis 18 V Eingangsspannung, 6 A, mit erweitertem Strommodus

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Datenblatt

TPS543620

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 4 Vin (max) (V) 18 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 2200 Features Adjustable current limit, Enable, Forced PWM, Frequency synchronization, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable EMI features Low parasitic Hotrod packaging Control mode ACM/AECM Vout (min) (V) 0.5 Vout (max) (V) 7 Iq (typ) (µA) 1200 Duty cycle (max) (%) 94
Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 4 Vin (max) (V) 18 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 2200 Features Adjustable current limit, Enable, Forced PWM, Frequency synchronization, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable EMI features Low parasitic Hotrod packaging Control mode ACM/AECM Vout (min) (V) 0.5 Vout (max) (V) 7 Iq (typ) (µA) 1200 Duty cycle (max) (%) 94
VQFN-HR (RPY) 14 7.5 mm² 2.5 x 3
  • Fixed-frequency, internally-compensated advanced current mode (ACM) control
  • Integrated 25-mΩ and 6.5-mΩ MOSFETs
  • Input voltage range: 4 V to 18 V
  • Output voltage range: 0.5 V to 7 V
  • Three selectable PWM ramp options to optimize the control loop performance
  • Five selectable switching frequencies: 500 kHz, 750 kHz, 1 MHz, 1.5 MHz, and 2.2 MHz
  • Synchronizable to an external clock
  • 0.5-V, ±0.5% voltage reference accuracy over full temperature range
  • Selectable soft start times: 0.5 ms, 1 ms, 2 ms, and 4 ms
  • Monotonic start-up into pre-biased outputs
  • Selectable current limits to support 6-A and 3-A operation
  • Enable with adjustable input undervoltage lockout
  • Power good output monitor
  • Output overvoltage, output undervoltage, input undervoltage, overcurrent, and overtemperature protection
  • Pin-to-pin compatible with TPS543820 and TPS543320
  • –40°C to 150°C operating junction temperature
  • 2.5-mm × 3-mm, 14-pin VQFN-HR package with 0.5-mm pitch
  • Fixed-frequency, internally-compensated advanced current mode (ACM) control
  • Integrated 25-mΩ and 6.5-mΩ MOSFETs
  • Input voltage range: 4 V to 18 V
  • Output voltage range: 0.5 V to 7 V
  • Three selectable PWM ramp options to optimize the control loop performance
  • Five selectable switching frequencies: 500 kHz, 750 kHz, 1 MHz, 1.5 MHz, and 2.2 MHz
  • Synchronizable to an external clock
  • 0.5-V, ±0.5% voltage reference accuracy over full temperature range
  • Selectable soft start times: 0.5 ms, 1 ms, 2 ms, and 4 ms
  • Monotonic start-up into pre-biased outputs
  • Selectable current limits to support 6-A and 3-A operation
  • Enable with adjustable input undervoltage lockout
  • Power good output monitor
  • Output overvoltage, output undervoltage, input undervoltage, overcurrent, and overtemperature protection
  • Pin-to-pin compatible with TPS543820 and TPS543320
  • –40°C to 150°C operating junction temperature
  • 2.5-mm × 3-mm, 14-pin VQFN-HR package with 0.5-mm pitch

The TPS543620 is a high-efficiency 18-V, 6-A synchronous buck converter employing an internally-compensated, fixed-frequency Advanced Current Mode control. It is capable of providing high efficiency while running at a switching frequency up to 2.2 MHz. The device is in a small 2.5-mm x 3-mm HotRod™ VQFN package, which coupled with high efficiency at high frequency, makes it optimal for designs requiring a small solution size. The fixed frequency controller can operate from 500 kHz to 2.2 MHz and can be synchronized to an external clock using the SYNC pin. Additional features include a high accuracy voltage reference, selectable soft start times, montonic start-up into pre-biased outputs, selectable current limits, adjustable UVLO through the EN pin, and a full suite of fault protections.

The TPS543620 is a high-efficiency 18-V, 6-A synchronous buck converter employing an internally-compensated, fixed-frequency Advanced Current Mode control. It is capable of providing high efficiency while running at a switching frequency up to 2.2 MHz. The device is in a small 2.5-mm x 3-mm HotRod™ VQFN package, which coupled with high efficiency at high frequency, makes it optimal for designs requiring a small solution size. The fixed frequency controller can operate from 500 kHz to 2.2 MHz and can be synchronized to an external clock using the SYNC pin. Additional features include a high accuracy voltage reference, selectable soft start times, montonic start-up into pre-biased outputs, selectable current limits, adjustable UVLO through the EN pin, and a full suite of fault protections.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS543620 4-V to 18-V Input, 6-A Synchronous SWIFT™ Step-Down Converter with Internally Compensated Advanced Current Mode Control datasheet (Rev. C) PDF | HTML 29 Jun 2021
Application note Synchronization to a Clock Signal Using AC Coupling PDF | HTML 07 Aug 2024
More literature Low-Noise and Low-Ripple Techniques for a Supply Without an LDO (Rev. B) PDF | HTML 18 Apr 2024
Application note Detailed Comparison Between TPSM843620 Family and TPS543620 Family PDF | HTML 20 Nov 2023
Application brief Solving power design challenges in oscilloscope applications PDF | HTML 31 Okt 2023
Application note 6-A DC/DC Buck Converter Selection Guide of Mid-range VIN PDF | HTML 18 Apr 2023
More literature Low-noise and low-ripple techniques for a supply without an LDO PPT 02 Dez 2021
Technical article Which pinout is best? How individual, multifunctional and trimmed pinouts help add PDF | HTML 28 Jun 2021
EVM User's guide TPS543620 SWIFT™ Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 06 Mai 2021
Certificate TPS543620EVM EU Declaration of Conformity (DoC) 27 Aug 2020

Design und Entwicklung

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Evaluierungsplatine

TPS543620EVM — Evaluierungsmodul für synchronen 6-A-Abwärtswandler, 4–18 V-Eingang

The TPS543620EVM is an evaluation module (EVM) for the TPS543620. The TPS543620 is a synchronous buck converter, integrating both power MOSFETs with low drain to source resistance to minimize solution size and provide high efficiency at full load. The TPS543620 uses fixed frequency Advanced (...)
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Simulationsmodell

TPS543620 PSpice Transient Model (Rev. A)

SLUM787A.ZIP (341 KB) - PSpice Model
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Simulationsmodell

TPS543620 SIMPLIS Transient and Average Model

SLUM766.ZIP (894 KB) - SIMPLIS Model
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Berechnungstool

SLURAZ9 — TPS543320 TPS543620 TPS543820 Calculator Tool and Schematic Checklist

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Produkte
AC/DC- und DC/DC-Wandler (integrierter FET)
TPS543320 — Synchroner SWIFT™-Abwärtswandler, 4 bis 18 V, 3 A TPS543620 — Synchroner SWIFT™-Abwärtswandler, 4 bis 18 V Eingangsspannung, 6 A, mit erweitertem Strommodus TPS543820 — Synchroner SWIFT™-Abwärtswandler, 4 bis 18 V, 8 A TPS543820E — Synchroner Abwärtswandler, 4 bis 18 V, 8 A, erweiterter Temperaturbereich
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN-HR (RPY) 14 Ultra Librarian
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