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Bidirectional High-Side Power Switch for Charger and USB‑OTG Combined Applications
The NX5P3001 is an advanced bidirectional power switch and ESD-protection device for combined USB‑OTG and charger port applications. It includes undervoltage lockout, overvoltage lockout and overtemperature protection circuits designed to automatically isolate the power switch terminals when a fault condition occurs.
The device features two power switch input/output terminals (VBUSI and VBUSO), an open-drain acknowledge output (ACK), an enable input which includes logic level translation (EN) and low capacitance Transient Voltage Suppression (TVS) type ESD‑clamps for USB data and ID pins.
When EN is set HIGH the device enters a low-power mode, disabling all protection circuits. When used in combined charger and USB‑OTG applications the 30 V tolerant VBUSI switch terminal is used as the supply and switch input when charging, for USB‑OTG the VBUSO switch terminal is used as the supply and switch input.
Designed for operation from 3.2 V to 6.35 V, it is used in battery charging and power domain isolation applications to reduce power dissipation and extend battery life.
Product Details
Features
- 30 V tolerant VBUSI supply pin
- Wide supply voltage range from 3.2 V to 6.35 V
- Automatic switch operation for charging within the supply range
- ISW maximum 3 A continuous current
- Low ON resistance: 62 mΩ (typical) at a supply voltage of 5.0 V
- 1.8 V control logic input to open the switch
- Soft start turn-on slew rate
- Protection circuitry
- Overtemperature protection
- Overvoltage lockout
- Undervoltage lockout
- ESD protection:
- HBM ANSI/ESDA/JEDEC JS-001 Class 2 exceeds 2 kV
- CDM AEC standard Q100-01 (JESD22-C101E)
- IEC61000-4-2 contact discharge exceeds 8 kV for pins VBUSI, D-, D+ and ID
- Specified from -40 °C to +85 °C
Target Applications
- Smart and feature phones
- Tablets, eBooks
Part numbers include: NX5P3001UK.
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Documentation
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Embedded Software Design
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