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Kinetic Technologies KTS1665 USB VBUS Ideal Diode Load Switch

Kinetic Technologies KTS1665 USB VBUS Ideal Diode Load Switch consists of an external resistor to set the current limit from 500mA to 3.3A. This switch is optimized to protect systems with USB type-C ports that source up to 15W at 5V and must withstand up to 29V on VBUS. The KTS1665 load switch is a low-resistance load switch with an adjustable current limit, Soft-Start (SS), and ideal diode Reverse Current Protection (RCP). This ideal diode Reverse Current Protection (RCP) isolates the systems internal rail whenever VBUS is driven to a higher voltage, as when charging. The KTS1661 load switch is available in advanced 1.31mm x 1.31mm, 9-bump Wafer-Level Chip Scale Package (WLCSP). Typical applications include smartphones, tablets, gaming consoles, notebooks, ultra-books, desktop PCs, set-top boxes, networking, and any USB ISOURCE port.

Features

  • 2.5V to 5.5V supply voltage range at IN
  • 29V absolute maximum rating at OUT
  • 53mΩ typical on-resistance from IN to OUT
  • Adjustable Current Limit Protection (CLP):
    • 500mA to 3.3A via RISET
  • Over-Current Protection (OCP)
  • Short-Circuit Protection (SCP)
  • Ideal diode Reverse Current Protection (RCP)
  • Over Temperature Protection (OTP)
  • Soft-Start (SS) limits inrush current
  • Open-drain FLT flag
  • Safety approvals:
    • UL 2367, File No. E515099
    • IEC 62368-1, File No. E515099
  • RoHS and green compliant
  • 9-bump WLCSP 1.31mm x 1.31mm (0.4mm pitch)
  •  Pin-to-pin with KTS1665, KTS1688, and FPF2495

Specifications

  • 0V to 29V output voltage range
  • 1μF to 100μF output capacitance range
  • 315Ω to 2100Ω current limit setting resistance range
  • -40°C to 85°C operating temperature range

Applications

  • Smartphones, tablets, and gaming consoles
  • Notebooks, ultra-books, and desktop PCs
  • Set-top boxes, networking, and any USB ISOURCE port

Typical Application Circuit Diagram

Application Circuit Diagram - Kinetic Technologies KTS1665 USB VBUS Ideal Diode Load Switch

Block Diagram

Block Diagram - Kinetic Technologies KTS1665 USB VBUS Ideal Diode Load Switch

Eval Kit

Kinetic Technologies KTS1665 Evaluation Kit

Configured to evaluate the operation of the KTS1665 load switch.

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Pubblicato: 2024-06-28 | Aggiornato: 2025-04-24