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Convertidores de CA/CC y CC/CC (FET integrado)
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TPS55287

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Convertidor buck-boost de 36 V y 4 A con interfaz de I²C

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TPS55287

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Vin (min) (V) 3 Vin (max) (V) 30 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Frequency synchronization, I2C interface, Light Load Efficiency, Load Disconnect, Output discharge, Spread Spectrum, Synchronous Rectification, USB C/PD compatible, UVLO adjustable Vout (min) (V) 0.8 Vout (max) (V) 22 Iq (typ) (µA) 760 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 4
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Vin (min) (V) 3 Vin (max) (V) 30 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Frequency synchronization, I2C interface, Light Load Efficiency, Load Disconnect, Output discharge, Spread Spectrum, Synchronous Rectification, USB C/PD compatible, UVLO adjustable Vout (min) (V) 0.8 Vout (max) (V) 22 Iq (typ) (µA) 760 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 4
VQFN-HR (RYQ) 21 15 mm² 5 x 3
  • Programmable power supply (PPS) support for USB power delivery (USB PD)
    • 3.0V to 36V wide input voltage range
    • 0.8V to 22V with 10mV step programmable output voltage range
    • ±1% reference voltage accuracy
    • Adjustable output voltage compensation for voltage droop over the cable
    • Programmable output current limit with 50mA step
    • ±5% accurate output current monitoring
    • I2C interface
  • High efficiency over entire load range
    • 96.7% efficiency at VIN = 12V, VOUT = 20V, and IOUT = 1.5A
    • Programmable PFM and FPWM mode at light load
  • Avoid frequency interference and crosstalk
    • Optional clock synchronization
    • Programmable switching frequency from 200kHz to 2.2MHz
  • 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
    • 4-A average inductor current limit
  • Small solution size
    • Maximum switching frequency up to 2.2MHz
    • 3.0mm × 5.0mm HotRod™ QFN package
  • Programmable power supply (PPS) support for USB power delivery (USB PD)
    • 3.0V to 36V wide input voltage range
    • 0.8V to 22V with 10mV step programmable output voltage range
    • ±1% reference voltage accuracy
    • Adjustable output voltage compensation for voltage droop over the cable
    • Programmable output current limit with 50mA step
    • ±5% accurate output current monitoring
    • I2C interface
  • High efficiency over entire load range
    • 96.7% efficiency at VIN = 12V, VOUT = 20V, and IOUT = 1.5A
    • Programmable PFM and FPWM mode at light load
  • Avoid frequency interference and crosstalk
    • Optional clock synchronization
    • Programmable switching frequency from 200kHz to 2.2MHz
  • 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
    • 4-A average inductor current limit
  • Small solution size
    • Maximum switching frequency up to 2.2MHz
    • 3.0mm × 5.0mm HotRod™ QFN package

The TPS55287 is a synchronous buck-boost converter that is optimized for converting battery voltage or adapter voltage into power supply rails. The TPS55287 integrates four MOSFET switches, providing a compact solution for USB power delivery (USB PD) application.

The TPS55287 has up to 36V input voltage capability. Through the I2C interface, the output voltage of the TPS55287 can be programmed from 0.8V to 22V with 10mV step. When working in boost mode, the device can deliver 35W from a 12V input. It is capable of delivering 25W from 9V input voltage.

The TPS55287 employs an average current-mode control scheme. The switching frequency is programmable from 200kHz to 2.2MHz by an external resistor and can be synchronized to an external clock. The TPS55287 also provides optional spread spectrum to minimize peak EMI.

The TPS55287 offers output overvoltage protection, average inductor current limit, cycle-by-cycle peak current limit, and output short circuit protection. The TPS55287 also makes sure it safely operates with optional output current limit and hiccup-mode protection in sustained overload conditions.

The TPS55287 can use a small inductor and small capacitors with high switching frequency. It is available in a 3.0mm × 5.0mm QFN package.

The TPS55287 is a synchronous buck-boost converter that is optimized for converting battery voltage or adapter voltage into power supply rails. The TPS55287 integrates four MOSFET switches, providing a compact solution for USB power delivery (USB PD) application.

The TPS55287 has up to 36V input voltage capability. Through the I2C interface, the output voltage of the TPS55287 can be programmed from 0.8V to 22V with 10mV step. When working in boost mode, the device can deliver 35W from a 12V input. It is capable of delivering 25W from 9V input voltage.

The TPS55287 employs an average current-mode control scheme. The switching frequency is programmable from 200kHz to 2.2MHz by an external resistor and can be synchronized to an external clock. The TPS55287 also provides optional spread spectrum to minimize peak EMI.

The TPS55287 offers output overvoltage protection, average inductor current limit, cycle-by-cycle peak current limit, and output short circuit protection. The TPS55287 also makes sure it safely operates with optional output current limit and hiccup-mode protection in sustained overload conditions.

The TPS55287 can use a small inductor and small capacitors with high switching frequency. It is available in a 3.0mm × 5.0mm QFN package.
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Documentación técnica

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* Data sheet TPS55287 36-V, 4-A Buck-Boost Converter with I2 C Interface datasheet PDF | HTML 08 ago 2024

Diseño y desarrollo

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Placa de evaluación

TPS55287Q1EVM — Módulo de evaluación TPS55287-Q1

El módulo de evaluación (EVM) contiene el dispositivo TPS55287-Q1, que es un convertidor buck-boost síncrono de alto rendimiento y eficiencia con cuatro transistores de efecto de campo de semiconductor de óxido metálico (MOSFET) integrados. El TPS55287-Q1 está optimizado para convertir la tensión (...)

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