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TPS22950

現行

5.5V、3.2A、34mΩ 載入開關，具可調整電流限制功能

立即訂購
產品規格表

TPS22950

現行
產品規格表 立即訂購

產品詳細資料

Imax (A) 2.7 Vin (max) (V) 5.5 Vin (min) (V) 1.8 Number of channels 1 Features Inrush current control, Quick output discharge, Reverse current blocking, Short circuit protection, Thermal shutdown Quiescent current (Iq) (typ) (µA) 40 Soft start Fixed Rise Time Rating Catalog Ron (typ) (mΩ) 34 Shutdown current (ISD) (typ) (µA) 0.2 Current limit type Adjustable Function Adjustable current limit, Inrush current control, Short circuit protection, Thermal shutdown FET Internal Operating temperature range (°C) -40 to 125 Device type Load switches
Imax (A) 2.7 Vin (max) (V) 5.5 Vin (min) (V) 1.8 Number of channels 1 Features Inrush current control, Quick output discharge, Reverse current blocking, Short circuit protection, Thermal shutdown Quiescent current (Iq) (typ) (µA) 40 Soft start Fixed Rise Time Rating Catalog Ron (typ) (mΩ) 34 Shutdown current (ISD) (typ) (µA) 0.2 Current limit type Adjustable Function Adjustable current limit, Inrush current control, Short circuit protection, Thermal shutdown FET Internal Operating temperature range (°C) -40 to 125 Device type Load switches
DSBGA (YBH) 6 1.4 mm² 1.4 x 1 SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8
  • Input operating voltage range (VIN): 1.8 V–5.5 V
  • Output current limit (ILIMIT): 0.05 A–3.5 A (typ.)

  • TPS22950: Auto-retry current limit response

  • TPS22950L: Latch off current limit response
  • Thermal shutdown (TSD)
  • ON-resistance (RON):
    • RON at VIN = 5 V: 34 mΩ (typ.)
    • RON at VIN = 3.3 V: 41 mΩ (typ.)
  • Slow turn-ON timing limits inrush current (typ.):
    • tON at VIN = 5 V: 800 µs
    • tON at VIN = 3.3 V: 550 µs
  • Always-ON reverse current blocking (TPS22950)
  • Fault indication (FLT)
  • Quick output discharge (QOD): 150 Ω
  • Smart ON pin pulldown (RPD,ON):
    • ON ≥ VIH (ION): 50 nA (max.)
    • ON ≤ VIL (RPD,ON): 500 kΩ (typ.)
  • Low power consumption:
    • ON state (IQ): 40 µA (typ.)
    • OFF state (ISD): 0.2 µA (typ.)
  • UL 2367 Recognition – File No. E169910
    • Certified from ILIM = 66 mA to 2.46 A
  • Input operating voltage range (VIN): 1.8 V–5.5 V
  • Output current limit (ILIMIT): 0.05 A–3.5 A (typ.)

  • TPS22950: Auto-retry current limit response

  • TPS22950L: Latch off current limit response
  • Thermal shutdown (TSD)
  • ON-resistance (RON):
    • RON at VIN = 5 V: 34 mΩ (typ.)
    • RON at VIN = 3.3 V: 41 mΩ (typ.)
  • Slow turn-ON timing limits inrush current (typ.):
    • tON at VIN = 5 V: 800 µs
    • tON at VIN = 3.3 V: 550 µs
  • Always-ON reverse current blocking (TPS22950)
  • Fault indication (FLT)
  • Quick output discharge (QOD): 150 Ω
  • Smart ON pin pulldown (RPD,ON):
    • ON ≥ VIH (ION): 50 nA (max.)
    • ON ≤ VIL (RPD,ON): 500 kΩ (typ.)
  • Low power consumption:
    • ON state (IQ): 40 µA (typ.)
    • OFF state (ISD): 0.2 µA (typ.)
  • UL 2367 Recognition – File No. E169910
    • Certified from ILIM = 66 mA to 2.46 A

The TPS22950x is a small, single channel load switch with robust protection against fault cases with adjustable output current limiting, reverse current blocking, and thermal shutdown.

The switch ON state is controlled by a digital input that is capable of interfacing directly with low-voltage control signals. When power is first applied, a smart pulldown is used to keep the ON pin from floating until system sequencing is complete. After the pin is deliberately driven high (>VIH), the smart pulldown is disconnected to prevent unnecessary power loss.

The TPS22950/C responds to overcurrent events with auto-retry behavior, while the TPS22950L uses a debounce time and latch off behavior.

TPS22950x is available in a standard WCSP package and leaded SOT package characterized for operation over an ambient temperature range of –40°C to 125°C.

The TPS22950x is a small, single channel load switch with robust protection against fault cases with adjustable output current limiting, reverse current blocking, and thermal shutdown.

The switch ON state is controlled by a digital input that is capable of interfacing directly with low-voltage control signals. When power is first applied, a smart pulldown is used to keep the ON pin from floating until system sequencing is complete. After the pin is deliberately driven high (>VIH), the smart pulldown is disconnected to prevent unnecessary power loss.

The TPS22950/C responds to overcurrent events with auto-retry behavior, while the TPS22950L uses a debounce time and latch off behavior.

TPS22950x is available in a standard WCSP package and leaded SOT package characterized for operation over an ambient temperature range of –40°C to 125°C.
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類型 標題 日期
* Data sheet TPS22950x 5.5-V, 3.2-A, 34-mΩ Adjustable Current Limited Load Switch datasheet (Rev. B) PDF | HTML 2023年 2月 28日
Certificate TPS22950LEVM EU RoHS Declaration of Conformity (DoC) 2021年 10月 11日
Certificate TPS22950EVM EU Declaration of Conformity (DoC) 2020年 11月 18日
Application brief Current Limit and Short Circuit Protection in Power Restricted Load Switch Apps PDF | HTML 2020年 9月 24日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

TPS22950EVM — 具有可調整電流限制的 TPS22950 5.5-V、2-A、40-mΩ 負載開關評估模組

TPS22950 評估模組 (EVM) 是完全組裝且經過測試的電路，用於評估 TPS22950。TPS22950 是可調整電流限制負載開關。EVM 允許使用者設定 TPS22950 運作模式，以進行完整電壓與額定電流的評估。可在 EVM 上監控輸出、輸入和切換波形。

使用指南: PDF | HTML
TI.com 無法提供
開發板

TPS22950LEVM — 適用於負載開關的 TPS22950L 評估模組

TPS22950LEVM 是一款雙層 PCB，內含 TPS22950L 負載開關裝置。與裝置及 PCB 佈線圖路由連接的 VIN 和 VOUT 能夠處理高連續電流，並提供出入測試中裝置的低電阻路徑。測試點連線可讓 EVM 使用者利用使用者定義的測試條件來控制裝置，並進行準確的 RON 量測。

使用指南: PDF | HTML
TI.com 無法提供
模擬型號

TPS22950 Unencrypted PSpice Transient Model

SLVMDI3.ZIP (46 KB) - PSpice Model
下載
模擬型號

TPS22950L PSpice Model

SLVMDP7.ZIP (5594 KB) - PSpice Model
下載
封裝 針腳 CAD 符號、佔位空間與 3D 模型
DSBGA (YBH) 6 Ultra Librarian
SOT-23-THN (DDC) 6 Ultra Librarian
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  • 認證摘要
  • 進行中持續性的可靠性監測
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