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TPS62112的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:直流/直流开关稳压器 - 降压稳压器
  • 功能描述:采用 QFN-16 封装的 5V、1.5A,17V 输入电压降压转换器
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TPS62112的产品详情:

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.

TPS62112的优势和特性:
  • 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
TPS62112的参数(英文):
  • Vin (Min) (V)
  • 3.1
  • Vin (Max) (V)
  • 17
  • Vout (Min) (V)
  • 5
  • Vout (Max) (V)
  • 5
  • Iout (Max) (A)
  • 1.5
  • Iq (Typ) (uA)
  • 20
  • Switching frequency (Min) (kHz)
  • 900
  • Switching frequency (Max) (kHz)
  • 1100
  • Features
  • Enable, Forced PWM, Frequency Synchronization, Light Load Efficiency, Power Good, Synchronous Rectification
  • Rating
  • Catalog
  • Regulated outputs (#)
  • 1
  • Control mode
  • Voltage Mode
  • Duty cycle (Max) (%)
  • 100
TPS62112具体的完整产品型号参数及价格(美元):

TPS62112的完整型号有:TPS62112RSAR、TPS62112RSAT,以下是这些产品的关键参数及官网采购报价:

TPS62112RSAR,工作温度:-40 to 85,封装:QFN (RSA)-16,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS62112RSAR的批量USD价格:.869(1000+)

TPS62112RSAT,工作温度:-40 to 85,封装:QFN (RSA)-16,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS62112RSAT的批量USD价格:1.043(1000+)

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TPS62112的评估套件:

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 (...)

TPS62112 Unencrypted PSpice Transient Model Package (Rev. A)

PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用,包括业内超大的模型库之一,涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助?PSpice for TI 的设计和仿真环境及其内置的模型库,您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案,然后再进行布局和制造,可缩短产品上市时间并降低开发成本。

在?PSpice for TI 设计和仿真工具中,您可以搜索 TI (...)

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 (...)

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