Home Power management AC/DC & DC/DC converters (integrated FET)
Home
Power management
AC/DC & DC/DC converters (integrated FET)

TPS54618-Q1

OBSOLETE

Automotive 2.95V to 6V, 6A, 2MHz Synchronous Buck Converter

Order now
Data sheet

TPS54618-Q1

OBSOLETE
Data sheet Order now

Product details

Rating Automotive Operating temperature range (°C) -40 to 125 Type Converter Iout (max) (A) 6 Vin (min) (V) 2.95 Vin (max) (V) 6 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 4.5 Iq (typ) (µA) 515 Duty cycle (max) (%) 98
Rating Automotive Operating temperature range (°C) -40 to 125 Type Converter Iout (max) (A) 6 Vin (min) (V) 2.95 Vin (max) (V) 6 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 4.5 Iq (typ) (µA) 515 Duty cycle (max) (%) 98
  • Qualified for Automotive Applications
  • AEC Q-100 Qualified With the Following Results:
    • Device Temperature Grade 1: Ambient Operating Temperature Range of –40°C to +125°C
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • Two 12-mΩ (typical) MOSFETs for high efficiency at 6-A loads
  • 300-kHz to 2-MHz switching frequency
  • 0.8-V ±1% Voltage reference over temperature (–40°C to +150°C)
  • Synchronizes to external clock
  • Adjustable slow start and sequencing
  • UV and OV power-good output
  • Thermally enhanced 3-mm × 3-mm, 16-pin WQFN package
  • Create a custom design using the TPS54618-Q1 with the WEBENCH® Power Designer
  • Qualified for Automotive Applications
  • AEC Q-100 Qualified With the Following Results:
    • Device Temperature Grade 1: Ambient Operating Temperature Range of –40°C to +125°C
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • Two 12-mΩ (typical) MOSFETs for high efficiency at 6-A loads
  • 300-kHz to 2-MHz switching frequency
  • 0.8-V ±1% Voltage reference over temperature (–40°C to +150°C)
  • Synchronizes to external clock
  • Adjustable slow start and sequencing
  • UV and OV power-good output
  • Thermally enhanced 3-mm × 3-mm, 16-pin WQFN package
  • Create a custom design using the TPS54618-Q1 with the WEBENCH® Power Designer

The TPS54618-Q1 device is a full-featured 6-V, 6-A, synchronous step-down current-mode converter with two integrated MOSFETs.

The TPS54618-Q1 enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small, 3-mm × 3-mm, thermally-enhanced WQFN package.

The TPS54618-Q1 provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated
12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply current is reduced to 5.5-µA by entering a shutdown mode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output-voltage start-up ramp is controlled by the slow-start pin. An open-drain power-good signal indicates the output is within 93% to 107% of its nominal voltage.

Frequency foldback and thermal shutdown protect the device during an overcurrent condition.

The TPS54618-Q1 device is a full-featured 6-V, 6-A, synchronous step-down current-mode converter with two integrated MOSFETs.

The TPS54618-Q1 enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small, 3-mm × 3-mm, thermally-enhanced WQFN package.

The TPS54618-Q1 provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated
12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply current is reduced to 5.5-µA by entering a shutdown mode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output-voltage start-up ramp is controlled by the slow-start pin. An open-drain power-good signal indicates the output is within 93% to 107% of its nominal voltage.

Frequency foldback and thermal shutdown protect the device during an overcurrent condition.

filter Find other AC/DC & DC/DC converters (integrated FET)
Download

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 1
Type Title Date
* Data sheet TPS54618-Q1 Automotive 2.95-V to 6-V, 6-A, 2-MHz Synchronous Buck Converter datasheet (Rev. E) PDF | HTML 24 May 2019

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location