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TPS2561A-Q1

現行

自動 2 通道、0.25-2.8A 可調整ILIMIT (針對 2.3±0.2A 進行調校)、2.5-6.5V、44mΩ USB 電源開關、高電位作動

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產品規格表

TPS2561A-Q1

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) 2.5 Current limit (A) 0.25 to 2.5 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 2.1A Min / 2.5A Max Setting (Including Resistor) Rating Automotive
Product type Adjustable current limit, Power switch Vin (min) (V) 2.5 Vin (max) (V) 6.5 Continuous current (max) (A) 2.5 Current limit (A) 0.25 to 2.5 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 2.1A Min / 2.5A Max Setting (Including Resistor) Rating Automotive
VSON (DRC) 10 9 mm² 3 x 3
  • AEC-Q100 Qualified
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C5
  • Two separate current limiting channels
  • Meets USB Current-Limiting Requirements
  • Adjustable Current Limit, 250 mA–2.8 A (Typ.)
  • Accurate 2.1A Min / 2.5A Max Setting
  • Fast Short Circuit Response − 3.5-μs (typ)
  • Two 44−mΩ High-Side MOSFETs
  • Operating Range: 2.5 V to 6.5 V
  • 2−μA Maximum Standby Supply Current
  • Built-in Soft-Start
  • 15 kV / 8 kV System-Level ESD Capable
  • AEC-Q100 Qualified
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C5
  • Two separate current limiting channels
  • Meets USB Current-Limiting Requirements
  • Adjustable Current Limit, 250 mA–2.8 A (Typ.)
  • Accurate 2.1A Min / 2.5A Max Setting
  • Fast Short Circuit Response − 3.5-μs (typ)
  • Two 44−mΩ High-Side MOSFETs
  • Operating Range: 2.5 V to 6.5 V
  • 2−μA Maximum Standby Supply Current
  • Built-in Soft-Start
  • 15 kV / 8 kV System-Level ESD Capable

The TPS2561A-Q1 is dual-channel power-distribution switch intended for automotive applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered. These devices offer a programmable current-limit threshold between 250 mA and 2.8 A (typ) per channel via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turn on/off.

Each channel of the TPS2561A-Q1 devices limits the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. The FAULTx logic output for each channel independently asserts low during overcurrent and over temperature conditions.

Use with the TPS2511-Q or TPS2513A-Q1 for a low loss, automotive qualified, USB Charging Port Solution capable of charging all of today's popular phones and tablets.

The TPS2561A-Q1 is dual-channel power-distribution switch intended for automotive applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered. These devices offer a programmable current-limit threshold between 250 mA and 2.8 A (typ) per channel via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during turn on/off.

Each channel of the TPS2561A-Q1 devices limits the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. The FAULTx logic output for each channel independently asserts low during overcurrent and over temperature conditions.

Use with the TPS2511-Q or TPS2513A-Q1 for a low loss, automotive qualified, USB Charging Port Solution capable of charging all of today's popular phones and tablets.
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類型 標題 日期
* Data sheet TPS2561A-Q1 Dual Channel Precision Automotive Adjustable Current-Limited Power Switches datasheet (Rev. A) PDF | HTML 2014年 6月 3日
Certificate US-37138-UL Certificate of Compliance IEC 62368-1 2021年 3月 12日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日

設計與開發

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開發板

TPS2561DRCEVM-424 — TPS2561DRCEVM-424：用於 TPS2561 的評估模組

The TPS2560EVM-424 and TPS2561EVM-424 are evaluation modules (EVM) for Texas Instruments power-distribution switches with adjustable current-limit. These EVMs operate over a 2.5-V to 6.5-V range. An on-board jumper sets the output current-limit to either 0.5 A or 1 A. The board is designed for the (...)

使用指南: PDF
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模擬型號

TPS2561 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM475A.ZIP (33 KB) - PSpice Model
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參考設計

TIDA-01388 — 具有完整前端保護的 CISPR 25 第 5 類額定雙車用 USB 充電器參考設計

TIDA-01388 is a 21 W dual automotive USB charger solution featuring complete front end protection with small size. The system can clamp fast high-voltage electrical transients and maintain operation through these events. It can also properly respond to a reverse battery polarity event and shut down (...)
Design guide: PDF
電路圖: PDF
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