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AC/DC 和 DC/DC 控制器 (外部 FET)

TPS53015

現行

具電源良好輸出的 4.5-V 至 28-V，25-A 同步 D-CAP2 降壓控制器

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產品規格表

TPS53015

現行
產品規格表 立即訂購

產品詳細資料

Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 25 Operating temperature range (°C) -40 to 85 Control mode D-CAP2 Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 7 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 660 Duty cycle (max) (%) 83 Number of phases 1
Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 25 Operating temperature range (°C) -40 to 85 Control mode D-CAP2 Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 7 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 660 Duty cycle (max) (%) 83 Number of phases 1
VSSOP (DGS) 10 14.7 mm² 3 x 4.9
  • D-CAP2™ mode control
    • Fast transient response
    • No external parts required for loop compensation
    • Compatible with ceramic output capacitors
  • High initial reference accuracy (±1%)
  • Wide input voltage 4.5 V to 28 V
  • Output voltage 0.77 V to 7 V
  • Low-side RDS(on) Loss-less current sensing
  • Fixed soft-start time: 1.4 ms
  • Non-sinking pre-biased soft start
  • Switching frequency: 500 kHz
  • Cycle-by-cycle overcurrent limiting control
  • Auto-Skip Eco-Mode™ for high efficiency at light load
  • Power-good output
  • OCL/OVP/UVP/UVLO/TSD protections
  • Adaptive gate drivers with integrated boost PMOS switch
  • Thermally compensated OCP, 4000 ppm/°C
  • 10-Pin VSSOP
  • D-CAP2™ mode control
    • Fast transient response
    • No external parts required for loop compensation
    • Compatible with ceramic output capacitors
  • High initial reference accuracy (±1%)
  • Wide input voltage 4.5 V to 28 V
  • Output voltage 0.77 V to 7 V
  • Low-side RDS(on) Loss-less current sensing
  • Fixed soft-start time: 1.4 ms
  • Non-sinking pre-biased soft start
  • Switching frequency: 500 kHz
  • Cycle-by-cycle overcurrent limiting control
  • Auto-Skip Eco-Mode™ for high efficiency at light load
  • Power-good output
  • OCL/OVP/UVP/UVLO/TSD protections
  • Adaptive gate drivers with integrated boost PMOS switch
  • Thermally compensated OCP, 4000 ppm/°C
  • 10-Pin VSSOP

The TPS53015 device is a single, adaptive on-time D-CAP2 ™ mode synchronous buck controller. The device enables system designers to complete the suite of various end equipment power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53015 uses the D-CAP2 mode control which provides a very fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load condition and Eco-mode™ operation at light load. Eco-mode operation allows the device to maintain high efficiency during lighter load conditions. The device is also able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 28 V and output voltage from 0.77 V to 7 V.

The TPS53015 is available in the 3-mm × 3-mm 10-pin VSSOP (DGS) package and is specified for an ambient temperature range of –40°C to 85°C.

The TPS53015 device is a single, adaptive on-time D-CAP2 ™ mode synchronous buck controller. The device enables system designers to complete the suite of various end equipment power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53015 uses the D-CAP2 mode control which provides a very fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load condition and Eco-mode™ operation at light load. Eco-mode operation allows the device to maintain high efficiency during lighter load conditions. The device is also able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 28 V and output voltage from 0.77 V to 7 V.

The TPS53015 is available in the 3-mm × 3-mm 10-pin VSSOP (DGS) package and is specified for an ambient temperature range of –40°C to 85°C.
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類型 標題 日期
* Data sheet TPS53015 4.5-V to 28-V Input, D-CAP2TM Synchronous Step-Buck Converter With PGOOD datasheet (Rev. C) PDF | HTML 2019年 4月 4日
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 2024年 4月 30日
User guide TPS53015 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 12月 14日

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開發板

TPS53015EVM-126 — TPS53015 評估模組

The Texas Instruments TPS53015EVM-126 evaluation module (EVM) helps designers evaluate the performance of the TPS53015 synchronous step-down controller with power good. The EVM is designed to use an 8V to 22V voltage rail to produce a regulated 1.05V output with up to 8A load current. The EVM (...)
使用指南: PDF | HTML
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TPS53015 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM604A.ZIP (120 KB) - PSpice Model
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VSSOP (DGS) 10 Ultra Librarian
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