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USB 電源開關與充電埠控制器

TPS2559

現行

1.2-4.7A 可調整 ILIMIT、2.5-6.5V、13mΩ USB 電源開關、高電位作動

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產品規格表

TPS2559

現行
產品規格表 立即訂購

產品詳細資料

Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 5 Current limit (A) 1.2 to 4.7 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 1 Current limit accuracy at 1 A 0.04 Rating Catalog
Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 5 Current limit (A) 1.2 to 4.7 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 1 Current limit accuracy at 1 A 0.04 Rating Catalog
VSON (DRC) 10 9 mm² 3 x 3
  • Operating range: 2.5 V to 6.5 V
  • Adjustable 1.2-A to 4.7-A I(LIMIT) (±4.4% at 4.7 A)
  • Short-circuit shutoff (typical): 3.5 µs
  • High-side MOSFET: 13 mΩ
  • Maximum standby supply current: 2 µA
  • Built-in soft-start
  • System-level ESD capable: 8 kV / 15 kV
  • UL 2367 recognition pending
  • Operating range: 2.5 V to 6.5 V
  • Adjustable 1.2-A to 4.7-A I(LIMIT) (±4.4% at 4.7 A)
  • Short-circuit shutoff (typical): 3.5 µs
  • High-side MOSFET: 13 mΩ
  • Maximum standby supply current: 2 µA
  • Built-in soft-start
  • System-level ESD capable: 8 kV / 15 kV
  • UL 2367 recognition pending

The TPS2559 power-distribution switch is intended for applications where a low resistance, precision current limit switch is required or heavy capacitive loads are encountered. The TPS2559 provides up to 5.5 A of continuous load current with a precise current limit set by a single resistor to ground. Output current is maintained at a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. During overload events the output current is limited to the level set by R(ILIM). If a persistent overload occurs, the device goes into thermal shutoff to prevent damage to the TPS2559.

The power-switch rise and fall times are controlled to minimize current surges during turn on or off. The FAULT logic output asserts low during overcurrent or overtemperature conditions.

 

 

 

The TPS2559 power-distribution switch is intended for applications where a low resistance, precision current limit switch is required or heavy capacitive loads are encountered. The TPS2559 provides up to 5.5 A of continuous load current with a precise current limit set by a single resistor to ground. Output current is maintained at a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. During overload events the output current is limited to the level set by R(ILIM). If a persistent overload occurs, the device goes into thermal shutoff to prevent damage to the TPS2559.

The power-switch rise and fall times are controlled to minimize current surges during turn on or off. The FAULT logic output asserts low during overcurrent or overtemperature conditions.

 

 

 
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類型 標題 日期
* Data sheet TPS2559 Precision Adjustable Current-Limited Power-Distribution Switch datasheet (Rev. A) PDF | HTML 2020年 11月 11日
Certificate US-37137-UL Certificate of Compliance IEC 62368-1 2021年 3月 12日
EVM User's guide TPS2559EVM-624 Evaluation Module 2014年 4月 25日

設計與開發

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開發板

TPS2559EVM-624 — TPS2559EVM-624 精密可調整電流限制配電開關

The TPS2559EVM-624 is a fully assembled and test circuit for evaluating the TPS2559 precision adjustable current limited power distribution switch intended for application where heavy capacitive loads and short circuits are likely to be encountered. The EVM contains header connectors for easy (...)

使用指南: PDF
TI.com 無法提供
開發板

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使用指南: PDF
TI.com 無法提供
模擬型號

TPS2559 Unencrypted PSpice Transient Model Package (Rev. B)

SLVMAA7B.ZIP (72 KB) - PSpice Model
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參考設計

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The PMP10885 reference design is capable of charging two devices simultaneously at 2.4A each. The UCC24636 synchronous rectifier controller and CSD18531Q5A FET reduce the rectifier loss and provide high efficiency with a minimal increase in cost.  The TPS2559 provides accurate and independent (...)
Test report: PDF
電路圖: PDF
參考設計

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Test report: PDF
電路圖: PDF
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