TPS62112

正在供货

采用 QFN-16 封装的 5V、1.5A,17V 输入电压步降转换器

产品详情

Iout (max) (A) 1.5 Vin (min) (V) 3.1 Vin (max) (V) 17 Topology Buck Type Converter Switching frequency (min) (kHz) 900 Switching frequency (max) (kHz) 1100 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 5 Vout (max) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00002
Iout (max) (A) 1.5 Vin (min) (V) 3.1 Vin (max) (V) 17 Topology Buck Type Converter Switching frequency (min) (kHz) 900 Switching frequency (max) (kHz) 1100 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 5 Vout (max) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00002
VQFN (RSA) 16 16 mm² 4 x 4
  • High-Efficiency Synchronous Step-Down
    Converter With up to 95% Efficiency
  • 3.1-V to 17-V Operating Input Voltage Range
  • Adjustable Output Voltage Range: 1.2 V to 16 V
  • Fixed Output Voltage Options Available in
    3.3 V and 5 V
  • Synchronizable to External Clock: Up to 1.4 MHz
  • Up to 1.5-A Output Current
  • High Efficiency Over a Wide Load-Current
    Range Due to PFM/PWM Operation Mode
  • 100% Maximum Duty Cycle for Lowest Dropout
  • 20-µA Quiescent Current (Typical)
  • Overtemperature and Overcurrent Protected
  • Available in 16-Pin VQFN Package
  • High-Efficiency Synchronous Step-Down
    Converter With up to 95% Efficiency
  • 3.1-V to 17-V Operating Input Voltage Range
  • Adjustable Output Voltage Range: 1.2 V to 16 V
  • Fixed Output Voltage Options Available in
    3.3 V and 5 V
  • Synchronizable to External Clock: Up to 1.4 MHz
  • Up to 1.5-A Output Current
  • High Efficiency Over a Wide Load-Current
    Range Due to PFM/PWM Operation Mode
  • 100% Maximum Duty Cycle for Lowest Dropout
  • 20-µA Quiescent Current (Typical)
  • Overtemperature and Overcurrent Protected
  • Available in 16-Pin VQFN Package

The TPS6211x devices are a family of low-noise synchronous step-down DC-DC converters that are ideally suited for systems powered from a 2- to 4-cell Li-ion battery or from a 12-V or 15-V rail.

The TPS6211x devices are synchronous pulse width modulation (PWM) converters with integrated N- and P-channel power MOSFET switches. Synchronous rectification is used to increase efficiency and to reduce external component count. To achieve highest efficiency over a wide load-current range, the converter enters a power-saving, pulse frequency modulation (PFM) mode at light load currents. Operating frequency is typically 1 MHz, allowing the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the range of 0.8 MHz to 1.4 MHz. For low-noise operation, the converter can be operated in PWM-only mode. In shutdown mode, the current consumption is reduced to less than 2 µA. The TPS6211x family of devices are available in the 16-pin (RSA) VQFN package, and operate over a free-air temperature range of –40°C to 85°C.

The TPS6211x devices are a family of low-noise synchronous step-down DC-DC converters that are ideally suited for systems powered from a 2- to 4-cell Li-ion battery or from a 12-V or 15-V rail.

The TPS6211x devices are synchronous pulse width modulation (PWM) converters with integrated N- and P-channel power MOSFET switches. Synchronous rectification is used to increase efficiency and to reduce external component count. To achieve highest efficiency over a wide load-current range, the converter enters a power-saving, pulse frequency modulation (PFM) mode at light load currents. Operating frequency is typically 1 MHz, allowing the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the range of 0.8 MHz to 1.4 MHz. For low-noise operation, the converter can be operated in PWM-only mode. In shutdown mode, the current consumption is reduced to less than 2 µA. The TPS6211x family of devices are available in the 16-pin (RSA) VQFN package, and operate over a free-air temperature range of –40°C to 85°C.

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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 TPS6211x 17-V, 1.5-A, Synchronous Step-Down Converter 数据表 (Rev. E) PDF | HTML 2015年 6月 18日
应用手册 QFN 和 SON PCB 连接 (Rev. C) PDF | HTML 英语版 (Rev.C) PDF | HTML 2024年 1月 5日
应用手册 设计电压监控器的电阻分压器输入端时的 IQ与精度权衡因素 (Rev. B) PDF | HTML 英语版 (Rev.B) PDF | HTML 2021年 10月 25日
应用手册 Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
模拟设计期刊 Understanding 100% mode in low-power DC/DC converters 2018年 6月 22日
应用手册 Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 2017年 11月 29日
模拟设计期刊 Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 2017年 10月 24日
应用手册 Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 2017年 6月 15日
模拟设计期刊 Testing tips for applying external power to supply outputs without an input voltage 2016年 10月 24日
应用手册 Basic Calculation of a Buck Converter's Power Stage (Rev. B) 2015年 8月 17日
模拟设计期刊 实现降压型转换器出色 PCB 布局的五个步骤 英语版 2015年 5月 1日
应用手册 Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 2012年 1月 13日
应用手册 Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 2011年 9月 19日
模拟设计期刊 IQ:它是什么、不是什么以及如何使用 英语版 2011年 8月 17日
应用手册 优化具有内部补偿功能的 DC-DC 转换器的瞬态响应 最新英语版本 (Rev.B) 2008年 7月 15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

TPS62110EVM-101 — TPS62110 评估模块

The TPS62110EVM-101 is an evaluation tool for the TPS6211x family of high efficiency inductive step-down converters in a 4x4 QFN package. They feature an adjustable or 3.3V and 5V fixed Output option, a maximum of 17V Input Voltage and up to 1.5A Output current. TPS6211x family can supply voltages (...)

用户指南: PDF | HTML
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仿真模型

TPS62112 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM330A.ZIP (61 KB) - PSpice Model
计算工具

SLVC532 TPS6211x Low Battery Hysteresis Design Tool - Excel

支持的产品和硬件

支持的产品和硬件

产品
AC/DC & DC/DC converters (integrated FET)
TPS62110 采用 QFN-16 封装的可调节 1.5A、17V 输入电压降压转换器 TPS62111 采用 QFN-16 封装的 3.3V 1.5A 输出 17V 输入的步降转换器 TPS62112 采用 QFN-16 封装的 5V、1.5A,17V 输入电压步降转换器 TPS62113 具有 LBI 功能的采用 QFN-16 封装的 1.5A 17V 输入电压降压转换器
计算工具

TPS62113LBIH-CALC — TPS6211x 系列低电池输入滞后计算工具

TPS62213LBIH-CALC 可用于计算 TPS62113(TPS6211x:TPS62110、TPS62111、TPS62112、TPS62113)所需的正确电阻值,为您的应用获取低电池输入适当的滞后。

多个降压转换器提供的低电量输入 (LBI) 通常用于在输入电压低于设置的阈值时关闭转换器。电池在其寿命结束时应当充电或更换,这可防止对电池和信号造成损坏。具有内部电阻的电池在负载提高时会导致电压下降。在监控电池级别时,这种内部电阻会带来挑战。当转换器关闭并且电流降至零时,通过电池的内部电阻降低的电流导致电池的终端电压升高。在许多情况下,电压升高到 LBI (...)

光绘文件

Gerber Files for TPS6211xEVM (HPA346A)

SLVC224.ZIP (191 KB)
封装 引脚 下载
VQFN (RSA) 16 查看选项

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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