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TPS6287B25

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6V input, 25A parallelable synchronous buck converter with I²C and frequency sync option

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Data sheet

TPS6287B25

ACTIVE
Data sheet Order now

Product details

Iout (max) (A) 25 Vin (min) (V) 2.7 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 3000 Features Adaptive/dynamic voltage scaling, Differential Remote Sense, Enable, Fixed Output, Forced PWM, Frequency synchronization, I2C, I2C bus interface, I2C control, I2C control method, I2C interface, I2C or GPIO control, I2C support, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start, Spread Spectrum Clocking (SSC), Synchronous Rectification, UVLO, Wettable flanks package Control mode COT, Constant on-time (COT), DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 1.675 Rating Catalog Operating temperature range (°C) -40 to 125
Iout (max) (A) 25 Vin (min) (V) 2.7 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 3000 Features Adaptive/dynamic voltage scaling, Differential Remote Sense, Enable, Fixed Output, Forced PWM, Frequency synchronization, I2C, I2C bus interface, I2C control, I2C control method, I2C interface, I2C or GPIO control, I2C support, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start, Spread Spectrum Clocking (SSC), Synchronous Rectification, UVLO, Wettable flanks package Control mode COT, Constant on-time (COT), DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 1.675 Rating Catalog Operating temperature range (°C) -40 to 125
WQFN-FCRLF (RZV) 24 12.3525 mm² 3.05 x 4.05
  • Input voltage range: 2.7 V to 6 V
  • Family of pin-to-pin compatible devices: 10 A, 15 A, 20 A, 25 A
  • 3 selectable output voltage ranges from 0.4 V to 1.675 V
    • 0.4 V to 0.71875 V with 1.25-mV steps
    • 0.4 V to 1.0375 V with 2.5-mV steps
    • 0.4 V to 1.675 V with 5-mV steps
  • Output voltage accuracy: ±0.8%
  • Internal power MOSFETs: 2.6 mΩ and 1.5 mΩ
  • Adjustable soft start
  • External compensation
  • Selectable start-up output voltage through the VSET1 and VSET2 pins
    • 0.4 V to 0.775 V with 25 mV of steps
    • 0.8 V to 1.55 V with 50 mV of steps
  • Forced PWM or power-save mode operation
  • Start-up output voltage selection by external resistor or I 2C
  • I 2C-compatible interface with up to 3.4 MHz
  • Optional stacked operation for increased output current capability
  • Differential remote sense
  • Thermal pre-warning and thermal shutdown
  • Output discharge
  • Optional spread spectrum clocking
  • Power-good output with window comparator
  • Input voltage range: 2.7 V to 6 V
  • Family of pin-to-pin compatible devices: 10 A, 15 A, 20 A, 25 A
  • 3 selectable output voltage ranges from 0.4 V to 1.675 V
    • 0.4 V to 0.71875 V with 1.25-mV steps
    • 0.4 V to 1.0375 V with 2.5-mV steps
    • 0.4 V to 1.675 V with 5-mV steps
  • Output voltage accuracy: ±0.8%
  • Internal power MOSFETs: 2.6 mΩ and 1.5 mΩ
  • Adjustable soft start
  • External compensation
  • Selectable start-up output voltage through the VSET1 and VSET2 pins
    • 0.4 V to 0.775 V with 25 mV of steps
    • 0.8 V to 1.55 V with 50 mV of steps
  • Forced PWM or power-save mode operation
  • Start-up output voltage selection by external resistor or I 2C
  • I 2C-compatible interface with up to 3.4 MHz
  • Optional stacked operation for increased output current capability
  • Differential remote sense
  • Thermal pre-warning and thermal shutdown
  • Output discharge
  • Optional spread spectrum clocking
  • Power-good output with window comparator

The TPS6287B10 , TPS6287B15 , TPS6287B20 and TPS6287B25 are a family of pin-to-pin 10-A,15-A, 20-A, 25-A synchronous step-down DC/DC converters with I 2C interface and differential remote sense. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 25-A output current at high ambient temperature.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287Bx family implements an enhanced DCS control scheme that combines fast transient response with fixed-frequency operation. Devices can operate in power-save mode for maximum efficiency, or forced-PWM mode for best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves ±0.8% DC voltage accuracy for the full output voltage range.

The I 2C compatible interface offers several control, monitoring and warning features, such as voltage monitoring and temperature related warnings. The output voltage can be quickly adjusted to adapt the load´s power consumption to the performance needs. The default start-up voltage is resistor selectable through the VSET1 and VSET2 pins.

The TPS6287B10 , TPS6287B15 , TPS6287B20 and TPS6287B25 are a family of pin-to-pin 10-A,15-A, 20-A, 25-A synchronous step-down DC/DC converters with I 2C interface and differential remote sense. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 25-A output current at high ambient temperature.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287Bx family implements an enhanced DCS control scheme that combines fast transient response with fixed-frequency operation. Devices can operate in power-save mode for maximum efficiency, or forced-PWM mode for best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves ±0.8% DC voltage accuracy for the full output voltage range.

The I 2C compatible interface offers several control, monitoring and warning features, such as voltage monitoring and temperature related warnings. The output voltage can be quickly adjusted to adapt the load´s power consumption to the performance needs. The default start-up voltage is resistor selectable through the VSET1 and VSET2 pins.
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Technical documentation

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Type Title Date
* Data sheet TPS6287Bxx2.7-V to 6-V Input,10-A,15-A, 20-A, 25-A, Fast Transient Synchronous Step-Down Converter With I2C Interface datasheet PDF | HTML 08 Nov 2023
Analog Design Journal Fixed-frequency DCS-Control: Fast transient response with clock synchronization PDF | HTML 12 Feb 2024
Application note Power Supply Design for AMD Versal™ AI Edge Series PDF | HTML 29 Jan 2024
EVM User's guide TPS6287B25EVM-024 Buck Converter User's Guide PDF | HTML 12 Dec 2023
Application note Benefiting from Step-Down Converters with an I2C Communication Interface (Rev. B) PDF | HTML 29 Nov 2023
Application note Adjusting the Output Voltage of a Fixed Output Voltage DC-DC Converter PDF | HTML 22 Dec 2022

Design & development

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Evaluation board

TPS6287B25EVM-024 — TPS6287B25 evaluation module

The TPS6287B25 evaluation module (EVM) is a platform for evaluating and testing the operation and functionality of the TPS6287Bx buck converters, which includes TPS6287B10, TPS6287B15, TPS6287B20 and TPS6287B25. TPS6287B25EVM-024 converts 2.7V-to-6V input voltage to a regulated 0.4V output voltage. (...)

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WQFN-FCRLF (RZV) 24 View options
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