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TPS55189-Q1

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8 A-Abwärts-/Aufwärtswandler mit I²C-Schnittstelle, 27 V, für die Automobilindustrie

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Datenblatt

TPS55189-Q1

AKTIV
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Produktdetails

Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck-Boost Type Converter Vin (min) (V) 3 Vin (max) (V) 27 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) 8
Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck-Boost Type Converter Vin (min) (V) 3 Vin (max) (V) 27 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) 8
VQFN-HR (RYQ) 21 15 mm² 5 x 3
  • AEC-Q100 qualified:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
  • Functional Safety-Capable
  • Programmable power supply (PPS) support for USB power delivery (USB PD)
    • Wide input voltage range: 3.0V to 27V (absolute maximum.42V)
    • Programmable output voltage range: 0.8V to 22V with 10mV step
    • ±1% reference voltage accuracy
    • Adjustable output voltage compensation for voltage droop over the cable
    • Programmable output current limit up to 6.35A with 50mA step
    • ±5% accurate output current monitoring
    • I2C interface
  • High efficiency over entire load range
    • 96% efficiency at VIN = 12V, VOUT = 20V and IOUT = 3A
    • 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
    • 8A average inductor current limit
  • Small solution size
    • Maximum switching frequency up to 2.2MHz
    • 3.0mm × 5.0mm HotRod™ QFN package
  • AEC-Q100 qualified:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
  • Functional Safety-Capable
  • Programmable power supply (PPS) support for USB power delivery (USB PD)
    • Wide input voltage range: 3.0V to 27V (absolute maximum.42V)
    • Programmable output voltage range: 0.8V to 22V with 10mV step
    • ±1% reference voltage accuracy
    • Adjustable output voltage compensation for voltage droop over the cable
    • Programmable output current limit up to 6.35A with 50mA step
    • ±5% accurate output current monitoring
    • I2C interface
  • High efficiency over entire load range
    • 96% efficiency at VIN = 12V, VOUT = 20V and IOUT = 3A
    • 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
    • 8A average inductor current limit
  • Small solution size
    • Maximum switching frequency up to 2.2MHz
    • 3.0mm × 5.0mm HotRod™ QFN package

The TPS55189-Q1 is a synchronous buck-boost converter that is optimized for converting battery voltage or adapter voltage into power supply rails. The TPS55189-Q1 integrates four MOSFET switches providing a compact solution for USB Power Delivery (USB PD) application.

The TPS55189-Q1 has up to 27V input voltage capability. Through the I2C interface, the output voltage of the TPS55189-Q1 can be programmed from 0.8V to 22V with 10mV step. When working in boost mode, it can deliver 60W from a 12V input voltage. It is capable of delivering 45W from 9V input voltage.

The TPS55189-Q1 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 TPS55189-Q1 also provides optional spread spectrum to minimize peak EMI.

The TPS55189-Q1 offers output over-voltage protection, average inductor current limit, cycle-by-cycle peak current limit and output short circuit protection. The TPS55189-Q1 also ensures safe operating with optional output current limit and hiccup-mode protection in sustained overload conditions.

The TPS55189-Q1 can use a small inductor and small capacitors with high switching frequency. It is available in a 3.0mm × 5.0mm QFN package.

The TPS55189-Q1 is a synchronous buck-boost converter that is optimized for converting battery voltage or adapter voltage into power supply rails. The TPS55189-Q1 integrates four MOSFET switches providing a compact solution for USB Power Delivery (USB PD) application.

The TPS55189-Q1 has up to 27V input voltage capability. Through the I2C interface, the output voltage of the TPS55189-Q1 can be programmed from 0.8V to 22V with 10mV step. When working in boost mode, it can deliver 60W from a 12V input voltage. It is capable of delivering 45W from 9V input voltage.

The TPS55189-Q1 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 TPS55189-Q1 also provides optional spread spectrum to minimize peak EMI.

The TPS55189-Q1 offers output over-voltage protection, average inductor current limit, cycle-by-cycle peak current limit and output short circuit protection. The TPS55189-Q1 also ensures safe operating with optional output current limit and hiccup-mode protection in sustained overload conditions.

The TPS55189-Q1 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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Technische Dokumentation

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* Data sheet TPS55189-Q1 27V, 8A Buck-Boost Converter with I2 C Interface datasheet PDF | HTML 28 Mai 2024
Functional safety information TPS55189-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 29 Mai 2024

Design und Entwicklung

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Evaluierungsplatine

TPS55289Q1EVM — TPS55289-Q1 evaluation module

This evaluation module contains the TPS55289-Q1 device, which is a high-performance high-efficiency synchronous buck-boost converter that integrates four MOSFETs. The TPS55289-Q1 is optimized for converting battery voltage or adaptor voltage into power supply rails. The TPS55289-Q1 uses I²C (...)
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