TPS61236P 具有恒流输出的 8A 谷值电流同步升压转换器 | 德州仪器 TI.com.cn

TPS61236P (正在供货)

具有恒流输出的 8A 谷值电流同步升压转换器

具有恒流输出的 8A 谷值电流同步升压转换器 - TPS61236P
 

描述

The TPS6123x is a high current, high efficiency synchronous boost converter with constant output current feature for single cell Li-Ion and Li-polymer battery powered products, in a wide range of power bank, tablet, and other portable devices. The IC integrates 14-mΩ/14-mΩ power switches and is capable of delivering up to a 3.5-A output current for 3.3-V to 5-V conversion with up to 97% high efficiency. The device supports a programmable constant output current to control power delivery, so to save power path components and lower total system thermal dissipation effectively.

The device only consumes a 10-µA quiescent current under a light load condition, and can report load status to the system, which make it very suitable for Always-On applications. With the TPS6123x, a simple and flexible system design can be achieved, eliminating external power path components, saving PCB space, and reducing BOM cost.

In shutdown, the output is completely disconnected from the input, and current consumption is reduced to less than 1 µA. Other features like soft start control, reverse current blocking, over voltage protection, and thermal shutdown protection are built-in for system safety.

The devices are available in a 2.5-mm × 2.5-mm VQFN package.

特性

  • Up to 97% Efficiency Synchronous Boost
  • Up to 3.5-A IOUT for 3.3-V to 5-V Conversion
  • 10-A 14-mΩ/14-mΩ Internal Power Switches
  • Programmable Constant Output Current
  • Output Current Monitor
  • 10-µA IQ under Light Load Condition
  • Boost Status Indication
  • True disconnection during shutdown
  • Fixed 5.1-V Output Voltage (TPS61235P) or
    Adjustable Output Voltage from 2.9-V to-5.5 V
    (TPS61236P)
  • 1-MHz Switching Frequency
  • Softstart, Current Limit, Over Voltage and Over
    Thermal Protections
  • 2.5 mm × 2.5 mm VQFN Package

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参数 与其它产品相比 升压转换器(集成开关)

 
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Switch Current Limit (Typ) (A)
Regulated Outputs (#)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Iq (Typ) (mA)
Features
Duty Cycle (Max) (%)
Operating Temperature Range (C)
Type
Rating
Package Group
TPS61236P TPS61230 TPS61230A TPS61232 TPS61235P
2.3     2.3     2.5     2.3     2.3    
5.5     5.5     4.5     5.5     5.5    
2.9     2.5     2.5     5     5.1    
5.5     5.5     5.5     5     5.1    
8     5     6     5     8    
1     1     1     1     1    
750       1150       750    
1250     2000     1150     2000     1250    
0.01     0.035     0.025     0.035     0.01    
Enable
Light Load Efficiency
Synchronous Rectification    
Enable
Light Load Efficiency
Load Disconnect
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Load Disconnect
Synchronous Rectification    
Enable
Light Load Efficiency
Load Disconnect
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Synchronous Rectification    
90     90     90     90     90    
-40 to 85     -40 to 85     -40 to 125     -40 to 85     -40 to 85    
Converter     Converter     Converter     Converter     Converter    
Catalog     Catalog     Catalog     Catalog     Catalog    
VQFN-HR | 9     VSON | 10     VQFN-HR | 7     VSON | 10     VQFN-HR | 9    
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WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer TPS61236P

  最小   最大 范围
输入电压  V 2.3 to 5.0V
输出电压  V 2.8 to 5.5V
输出电流  A ≤ 7.8A
环境温度  °C -40 to 125°C


覆盖面积 BOM成本 效率


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