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TPS54286

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具有内部补偿的 4.5V 至 28V 输入、双路 2A 输出、600kHz 降压转换器

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TPS54286

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产品详情

Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 28 Vin (min) (V) 4.5 Vout (max) (V) 25.2 Vout (min) (V) 0.8 Features Enable, Phase interleaving Control mode current mode Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0018 Duty cycle (max) (%) 85
Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 28 Vin (min) (V) 4.5 Vout (max) (V) 25.2 Vout (min) (V) 0.8 Features Enable, Phase interleaving Control mode current mode Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0018 Duty cycle (max) (%) 85
HTSSOP (PWP) 14 32 mm² (5 mm × 6.4 mm)
  • 4.5-V to 28-V Input Range
  • Output Voltage Range 0.8 V to 90% of Input Voltage
  • Output Current Up to 2 A
  • Two Fixed Switching Frequency Versions:
    • TPS54283: 300 kHz
    • TPS54286: 600 kHz
  • Two Selectable Levels of Overcurrent Protection (Output 2)
  • 0.8-V 1.5% Voltage Reference
  • 2.1-ms Internal Soft Start
  • Dual PWM Outputs 180° Out-of-Phase
  • Ratiometric or Sequential Startup Modes Selectable by a Single Pin
  • 100-m Internal High-Side MOSFETs
  • Current Mode Control
  • Internal Compensation (See Page 16)
  • Pulse-by-Pulse Overcurrent Protection
  • Thermal Shutdown Protection at 148°C
  • 14-Pin PowerPAD™ HTSSOP package
  • APPLICATIONS
    • Set Top Box
    • Digital TV
    • Power for DSP
    • Consumer Electronics

PowerPAD Is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
  • 4.5-V to 28-V Input Range
  • Output Voltage Range 0.8 V to 90% of Input Voltage
  • Output Current Up to 2 A
  • Two Fixed Switching Frequency Versions:
    • TPS54283: 300 kHz
    • TPS54286: 600 kHz
  • Two Selectable Levels of Overcurrent Protection (Output 2)
  • 0.8-V 1.5% Voltage Reference
  • 2.1-ms Internal Soft Start
  • Dual PWM Outputs 180° Out-of-Phase
  • Ratiometric or Sequential Startup Modes Selectable by a Single Pin
  • 100-m Internal High-Side MOSFETs
  • Current Mode Control
  • Internal Compensation (See Page 16)
  • Pulse-by-Pulse Overcurrent Protection
  • Thermal Shutdown Protection at 148°C
  • 14-Pin PowerPAD™ HTSSOP package
  • APPLICATIONS
    • Set Top Box
    • Digital TV
    • Power for DSP
    • Consumer Electronics

PowerPAD Is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.

TPS54283 and TPS54286 are dual output non-synchronous buck converters capable of supporting 2-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

With internally-determined operating frequency, soft start time, and control loop compensation, these converters provide many features with a minimum of external components. Channel 1 overcurrent protection is set at 3 A, while Channel 2 overcurrent protection level is selected by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for scaling of external components for applications not needing the full load capability of both outputs.

The outputs may be enabled independently, or may be configured to allow either ratiometric or sequential startup sequencing. Additionally, the two outputs may also be powered from different sources.

TPS54283 and TPS54286 are dual output non-synchronous buck converters capable of supporting 2-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

With internally-determined operating frequency, soft start time, and control loop compensation, these converters provide many features with a minimum of external components. Channel 1 overcurrent protection is set at 3 A, while Channel 2 overcurrent protection level is selected by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for scaling of external components for applications not needing the full load capability of both outputs.

The outputs may be enabled independently, or may be configured to allow either ratiometric or sequential startup sequencing. Additionally, the two outputs may also be powered from different sources.
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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH SIDE MOSFET 数据表 (Rev. C) 2007-10-16
选择指南 电源管理指南 2018 2018-7-31

设计与开发

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评估板

TPS54386EVM — TPS54386 13.2V 输入、双路 5V 和 3.3V 输出、2A 评估模块

The TPS54386EVM evaluation module (EVM) is a dual non-synchronous buck converter providing fixed 5.0-V and 3.3-V output at up to 2 A each from a 12-V input bus. The EVM is designed to start up from a single supply, so no additional bias voltage is required for start-up. The module uses the (...)
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仿真模型

TPS54286 TINA-TI Average 3.3V Reference Design

SLUM039.ZIP (165 KB) - TINA-TI 参考设计
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TPS54286 TINA-TI Average 5V Reference Design

SLUM040.ZIP (165 KB) - TINA-TI 参考设计
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TPS54286 TINA-TI Average Spice Model

SLUM041.ZIP (4 KB) - TINA-TI Spice 模型
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TPS54286 TINA-TI Transient Reference Design

SLUM075.TSC (2104 KB) - TINA-TI 参考设计
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仿真模型

TPS54286 TINA-TI Transient Spice Model

SLUM076.TSM (25 KB) - TINA-TI Spice 模型
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TPS54286 Unencrypted PSpice Average Model Package (Rev. A)

SLUM091A.ZIP (115 KB) - PSpice 模型
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仿真模型

TPS54286 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM110A.ZIP (134 KB) - PSpice 模型
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参考设计

TIDA-00195 — 适用于三相逆变器系统参考设计的隔离式 IGBT 栅极驱动器评估平台

TIDA-00195 参考设计包含 22kW 功率级以及 TI 全新增强型隔离式 IGBT 栅极驱动器 ISO5852S，该设计用于各种应用中的电机控制。此设计允许对 ISO5852S 在三相逆变器中的性能进行评估，该逆变器包含额定电流为 50A-200A 的1200V IGBT 模块。

评估的一些重要功能和性能包括使用 DESAT 检测的短路保护、软关断、不同逆变器 dv/dt 下有源米勒钳位的有效性，以及 IGBT 栅极驱动器在系统级的 ESD/EFT 性能（源自可调速度电气电源驱动系统 (IEC61800-3)）。Piccolo launch pad LAUNCHXL-F28027 (...)

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封装 引脚 CAD 符号、封装和 3D 模型
HTSSOP (PWP) 14 Ultra Librarian
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