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TPS552892-Q1

ACTIVO

Convertidor reductor-elevador totalmente integrado de 36 V y 8 A para la industria automotriz

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TPS552892-Q1

ACTIVO
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Detalles del producto

Rating Automotive Topology Buck-Boost Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 22 Vout (min) (V) 0.8 Switch current limit (typ) (A) 8 Features Enable, Frequency synchronization, Light-load efficiency, Load Disconnect, Power good, Spread Spectrum, Synchronous rectification, UVLO adjustable EMI features Frequency Dithering, Spread Spectrum Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00076 Duty cycle (max) (%) 100 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck-Boost Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 22 Vout (min) (V) 0.8 Switch current limit (typ) (A) 8 Features Enable, Frequency synchronization, Light-load efficiency, Load Disconnect, Power good, Spread Spectrum, Synchronous rectification, UVLO adjustable EMI features Frequency Dithering, Spread Spectrum Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00076 Duty cycle (max) (%) 100 TI functional safety category Functional Safety-Capable
VQFN-HR (RYQ) 21 15 mm² (5 mm × 3 mm)
  • AEC-Q100 qualified:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
  • Wide input and output voltage range
    • Wide input voltage range: 3.0 V to 36 V
    • Programmable output voltage range: 0.8 V to 22 V
    • ±1% reference voltage accuracy
    • Adjustable output voltage compensation for voltage droop over the cable
    • ±5% accurate output current monitoring
  • High efficiency over entire load range
    • 96% efficiency at V IN = 12 V, V OUT = 20 V and I OUT = 3 A
    • Programmable PFM and FPWM mode at light load
  • Avoid frequency interference and crosstalk
    • Optional clock synchronization
    • Programmable switching frequency from 200 kHz to 2.2 MHz
  • EMI mitigation
    • Optional programmable spread spectrum
    • Lead-less package
  • Rich protection features
    • Output overvoltage protection
    • Hiccup mode for output short-circuit protection
    • Thermal shutdown protection
    • 8 A average inductor current limit
  • Small solution size
    • Maximum switching frequency up to 2.2 MHz
    • 3.0-mm × 5.0-mm HotRod™ QFN package
  • AEC-Q100 qualified:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
  • Wide input and output voltage range
    • Wide input voltage range: 3.0 V to 36 V
    • Programmable output voltage range: 0.8 V to 22 V
    • ±1% reference voltage accuracy
    • Adjustable output voltage compensation for voltage droop over the cable
    • ±5% accurate output current monitoring
  • High efficiency over entire load range
    • 96% efficiency at V IN = 12 V, V OUT = 20 V and I OUT = 3 A
    • Programmable PFM and FPWM mode at light load
  • Avoid frequency interference and crosstalk
    • Optional clock synchronization
    • Programmable switching frequency from 200 kHz to 2.2 MHz
  • EMI mitigation
    • Optional programmable spread spectrum
    • Lead-less package
  • Rich protection features
    • Output overvoltage protection
    • Hiccup mode for output short-circuit protection
    • Thermal shutdown protection
    • 8 A average inductor current limit
  • Small solution size
    • Maximum switching frequency up to 2.2 MHz
    • 3.0-mm × 5.0-mm HotRod™ QFN package

The TPS552892-Q1 is a synchronous buck-boost converter that is optimized for converting battery voltage or adapter voltage into power supply rails. The TPS552892-Q1 integrates four MOSFET switches providing a compact solution for a variety of applications. The TPS552892-Q1 has up to 36V input voltage capability. When working in boost mode, the TPS552892-Q1 can deliver 60 W from a 12-V input. It is capable of delivering 45 W from 9-V input voltage.

The TPS552892-Q1 employs an average current-mode control scheme. The switching frequency is programmable from 200 kHz to 2.2 MHz by an external resistor and can be synchronized to an external clock. The TPS552892-Q1 also provides optional spread spectrum to minimize peak EMI.

The TPS552892-Q1 offers output over-voltage protection, average inductor current limit, cycle-by-cycle peak current limit, output short circuit protection. The TPS552892-Q1 also ensures safe operating with optional output current limit and hiccup-mode protection in sustained overload conditions.

The TPS552892-Q1 can use a small inductor and small capacitors with high switching frequency. It is available in a 3.0-mm × 5.0-mm QFN package.

The TPS552892-Q1 is a synchronous buck-boost converter that is optimized for converting battery voltage or adapter voltage into power supply rails. The TPS552892-Q1 integrates four MOSFET switches providing a compact solution for a variety of applications. The TPS552892-Q1 has up to 36V input voltage capability. When working in boost mode, the TPS552892-Q1 can deliver 60 W from a 12-V input. It is capable of delivering 45 W from 9-V input voltage.

The TPS552892-Q1 employs an average current-mode control scheme. The switching frequency is programmable from 200 kHz to 2.2 MHz by an external resistor and can be synchronized to an external clock. The TPS552892-Q1 also provides optional spread spectrum to minimize peak EMI.

The TPS552892-Q1 offers output over-voltage protection, average inductor current limit, cycle-by-cycle peak current limit, output short circuit protection. The TPS552892-Q1 also ensures safe operating with optional output current limit and hiccup-mode protection in sustained overload conditions.

The TPS552892-Q1 can use a small inductor and small capacitors with high switching frequency. It is available in a 3.0-mm × 5.0-mm QFN package.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPS552892-Q1, Automotive, 36-V, 8-A, Fully Integrated Buck-boost Converter datasheet PDF | HTML 20/04/2023
Nota sobre la aplicación E-Latch with 5S SuperCaps Solution Used Buck-Boost Converter PDF | HTML 2/06/2026
Informe How to Design System Level Functional Safety for Automotive Displays PDF | HTML 16/05/2024
Información sobre seguridad funcional TPS552892-Q1 Functional Safety FIT Rate, Failure Mode Distribution and Pin FMA 27/06/2023

Diseño y desarrollo

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Placa de evaluación

TPS552892EVM — Módulo de evaluación TPS552892

El TPS552892 es un convertidor reductor‑elevador síncrono optimizado para convertir la tensión de la batería o del adaptador en rieles de suministro de energía. El TPS552892 integra cuatro interruptores MOSFET que proporcionan una solución compacta para la aplicación USB Power Delivery (USB PD).

Guía del usuario: PDF | HTML
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Herramienta de cálculo

TPS552892-CALCULATION-TOOL — Calculation tool for TPS552892

Calculation tool for buck-boost converter TPS552892.
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