主页 电源管理 AC/DC 和 DC/DC 转换器（集成 FET）
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AC/DC 和 DC/DC 转换器（集成 FET）

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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米6体育平台手机版_好二三四详情

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 4.5 Vin (max) (V) 28 Switching frequency (min) (kHz) 600 Switching frequency (max) (kHz) 600 Features Enable, Phase Interleaving Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 25.2 Iq (typ) (µA) 1800 Duty cycle (max) (%) 85
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 4.5 Vin (max) (V) 28 Switching frequency (min) (kHz) 600 Switching frequency (max) (kHz) 600 Features Enable, Phase Interleaving Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 25.2 Iq (typ) (µA) 1800 Duty cycle (max) (%) 85
HTSSOP (PWP) 14 32 mm² 5 x 6.4
  • 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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技术文档

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类型 标题 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年 10月 16日
用户指南 TPS54383 Step-Down Converter Evaluation Module User's Guide (Rev. D) PDF | HTML 2021年 10月 13日
用户指南 TPS54x86 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 10月 13日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

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 (...)
用户指南: PDF | HTML
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仿真模型

TPS54286 TINA-TI Average 3.3V Reference Design

SLUM039.ZIP (165 KB) - TINA-TI Reference Design
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仿真模型

TPS54286 TINA-TI Average 5V Reference Design

SLUM040.ZIP (165 KB) - TINA-TI Reference Design
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仿真模型

TPS54286 TINA-TI Average Spice Model

SLUM041.ZIP (4 KB) - TINA-TI Spice Model
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仿真模型

TPS54286 TINA-TI Transient Reference Design

SLUM075.TSC (2104 KB) - TINA-TI Reference Design
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仿真模型

TPS54286 TINA-TI Transient Spice Model

SLUM076.TSM (25 KB) - TINA-TI Spice Model
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仿真模型

TPS54286 Unencrypted PSpice Average Model Package (Rev. A)

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

TPS54286 Unencrypted PSpice Transient Model Package (Rev. A)

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

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

TIDA-00195 参考设计包括一个 22kW 功率级以及 TI 全新的增强型隔离式 IGBT 栅极驱动器 ISO5852S（适用于各种应用中的电机控制）。此设计可对三相逆变器（其中整合了额定电压为 1200V、额定电流范围为 50A-200A 的 IGBT 模块）中的 ISO5852S 进行性能评估。

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、在不同逆变器 dv/dt 下的有源米勒钳位的有效性以及 IGBT 栅极驱动器的源自可调速电气电力驱动系统 (IEC61800-3) 的系统级 ESD/EFT 性能。Piccolo Launch Pad (...)


用户指南: PDF
原理图: PDF
英语版 (Rev.A): PDF
封装 引脚 CAD 符号、封装和 3D 模型
HTSSOP (PWP) 14 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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