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TPS92550的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:LED 驱动器 - 照明 LED 驱动器
  • 功能描述:450mA 14W 恒流降压型 LED 驱动器微型模块
  • 点击这里打开及下载TPS92550的技术文档资料
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TPS92550的产品详情:

The TPS92550 Constant Current Buck LED Driver Micro-Module drives maximum 450mA LED current up to 10 LEDs in a single string (maximum 14W). It integrates all the power components including the power inductor. The TPS92550 provides a full turn-key, highly efficient solution for wide range of single string LED lighting applications with up to 96% power efficiency. It accepts an input voltage ranging from 4.5V to 36V and delivers a 350mA LED current as default. The LED current is adjustable from 300mA to 450mA by changing a single external resistor.

The module operates at constant switching frequency (400kHz) with low Electro Magnetic Interference (EMI) complying with EN55015 standard. The module has fast control loop to realize fine LED current pulse yielding 256–step PWM dimming resolution at 240Hz for general lighting. Protection feature include thermal shutdown, input under-voltage lockout, LED open-circuit and short-circuit protections. The TPS92550 Micro-Module is available in 7-pin PFM power package.

TPS92550的优势和特性:
  • Integrated all Power Components Including the Power Inductor
  • Wide Input Voltage Range : 4.5V–36V
  • Constant Switching Frequency at 400kHz
  • High Contrast Ratio (Minimum dimming current pulse width < 16μs)
  • Drives up to 10 LEDs in Series at 36V Input
  • ±3.6% Typical LED Current Accuracy
  • LED Current Adjustable from 300mA to 450mA
  • Up to 96% Efficiency
  • TPS92550 Modules can be Connected in Parallel for Higher Current Operation
  • Input Under-Voltage Lock-Out (UVLO)
  • Compatible with Ceramic and Low ESR Capacitors
  • Low Electro Magnetic Interference(EMI) Complies with EN55015 Standard EN55015, refer to and
  • LED Open and Short Circuit Protections
  • Thermal Shutdown and RoHS Compliant
  • –40°C to +125?C Junction Temperature Range
Package Highlights
  • 7 Lead Easy-to-use Package (Similar to TO-263)
  • Single Exposed Die Attach Pad for Enhancing Thermal Performance
  • 10.2 x 13.8 x 4.6 mm Package

All trademarks are the property of their respective owners.

TPS92550的参数(英文):
  • Input voltage (type)
  • DC/DC
  • Topology
  • Buck
  • Vin (Min) (V)
  • 4.5
  • Vin (Max) (V)
  • 36
  • Iout (Max) (A)
  • 0.45
  • Iq (Typ) (mA)
  • 2.35
  • Features
  • Enable/Shutdown, Integrated Switch, Thermal Shutdown
  • Operating temperature range (C)
  • -40 to 125
  • Dimming method
  • Analog, PWM
TPS92550具体的完整产品型号参数及价格(美元):

TPS92550的完整型号有:TPS92550TZ/NOPB、TPS92550TZX/NOPB,以下是这些产品的关键参数及官网采购报价:

TPS92550TZ/NOPB,工作温度:-40 to 125,封装:TO-PMOD (NDW)-7,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网TPS92550TZ/NOPB的批量USD价格:3.6(1000+)

TPS92550TZX/NOPB,工作温度:-40 to 125,封装:TO-PMOD (NDW)-7,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网TPS92550TZX/NOPB的批量USD价格:3(1000+)

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TPS92550的评估套件:

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The TPS92550 Constant Current Buck LED Driver Micro-Module drives maximum 450mA LED current up to 10 LEDsin a single string (maximum 14W). It integrates all the powercomponents including the power inductor. The TPS92550provides a full turn-key , highly efficient solution for wide rangeof single (...)

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