Varnitronics
TPS54225TPWPRQ1 TI
TI

TPS54225TPWPRQ1

Buck Switching Regulator IC Adjustable 0.76V~5.5V 1 Output 2A HTSSOP-14-EP

HTSSOP-14-EPROHS3 CompliantActive

4.5V to 18V Input, 2A Synchronous Buck SWIFT™ Converter

Manufacturer
TI
Manufacturer part #
TPS54225TPWPRQ1
Store part #
C2865779
Package / case
HTSSOP-14-EP
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

1 in stock

#C2865779

Stock & price checked 13 h ago

QuantityUnit pricePack price
1+₹540.13₹540.13
10+₹458.59₹4,585.90
30+₹410.10₹12,303.00
100+₹361.18₹36,118.00
500+₹338.57₹1,69,285.00
1,000+₹328.57₹3,28,570.00

1 × ₹540.13

₹540.13

excl. GST

₹637.35 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 15-18 working days
  • GST invoice with every order
  • Standard pack: 2,000 per reel

TPS54225TPWPRQ1

₹540.13 for 1 + GST

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Specifications

Operating Temperature
-40℃~+125℃@(TJ)
Function
Step-down type
Frequency - Switching
700kHz
Number of Outputs
1
Features
Adjustable soft-start;Cycle-by-cycle current limiting;Operating status indication;Output discharge;Overcurrent Protection
Output Type
Adjustable
Topology
Buck
Operating Voltage
4.5V~18V
Switch tube (built-in/external)
Built-in
Output Voltage
760mV~5.5V
Output Current
2A
Quiescent Current
800uA

Packaging & compliance

RoHS
ROHS3 Compliant
Lifecycle
Active
ECCN
EAR99
Packaging
Tape & Reel (TR)
Standard pack
2,000 / Reel
Sold per
Piece
Minimum order
1
Unit weight
0.164 g

Overview

TPS54225-Q1是一款采用自适应导通时间D-CAP2™模式控制的2A同步降压型转换器,集成两颗N沟道MOSFET。D-CAP2™模式控制的快速瞬态响应可减少满足特定性能指标所需的输出电容量。专有内部电路支持使用低ESR输出电容器,包括陶瓷电容和特殊聚合物类型。 TPS54225-Q1的主控制环路为自适应导通时间PWM控制器,支持专有D-CAP2™模式控制。D-CAP2™模式控制将恒定导通时间控制与内部补偿电路相结合,在低ESR及陶瓷输出电容器配置下均可实现伪固定频率与低外部组件数量。即使输出端纹波极小,系统依然保持稳定。 TPS54225-Q1采用自适应导通时间控制方案,无专用片上振荡器。该器件利用输入电压与输出电压设定导通时间单次触发定时器,以700 kHz的伪恒定频率运行。导通时间与输入电压成反比,与输出电压成正比。实际频率可能偏离700 kHz,具体取决于关断时间——当输出电压反馈分压跌至VFB阈值电压时,关断时间结束。 软启动功能可调。EN引脚变为高电平时,2μA电流开始对SS引脚至GND之间所接电容器充电,在启动过程中对输出电压实现平滑控制。专有电路可防止在输出端预偏置时启动过程中从输出端汲取电流。

Applications

  • Wide application in low-voltage systems
  • Digital TV power supplies
  • HD Blu-ray disc players
  • Network home terminal equipment
  • Digital set-top boxes (STB)

Key features

  • Automotive-grade compliant
  • D-CAP2™ mode for fast transient response
  • Low output ripple, compatible with ceramic output capacitors
  • Wide VCC input voltage range: 4.5V to 18V
  • Wide VIN input voltage range: 2V to 18V
  • Output voltage range: 0.76V to 5.5V
  • High-efficiency integrated FETs, optimized for lower duty cycle applications
  • 160mΩ (high-side) and 110mΩ (low-side)
  • High efficiency at shutdown, quiescent current below 10μA
  • High accuracy initial bandgap reference
  • Adjustable soft-start
  • Pre-bias soft-start
  • 700kHz switching frequency (fSW)
  • Cycle-by-cycle overcurrent limiting
  • Power-good output

Alternatives

Similar parts — check the datasheet before substituting.

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