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reference designNXF6501

Nexperia NXF6501

NXF650x performance with top Würth transformers

Overview

TopologyPush-Pull Converter symmetrical isolated
Input voltage5 V
Output 15.5 V / 1 A
IC revision1

Description

The NXF6501-Q100 is a specialized push-pull transformer driver that is designed for isolated power supplies in small form factors. This driver is capable of driving low-profile, center-tapped transformers from a 2.25 V to 5.5 V DC power supply, while achieving ultra-low noise and EMI using slew rate control and Spread Spectrum Clocking (SSC).The NXF6501-Q100 includes internal protection features such as current limiting, undervoltage lockout, thermal shutdown, and break-before-make circuitry, ensuring the device maintains safe limits. The device also includes a soft-start feature that prevents high inrush current during power-up with large load capacitors.The NXF6501-Q100 is constructed using an oscillator and a gate drive circuit that produces complementary output signals to drive ground-referenced N-channel power switches. These two complementary 1.2 A power-MOSFET switches can be used to provide >6 W power.The NXF6501-Q100 410 kHz internal oscillator is for applications that require higher efficiency and smaller transformers. The NXF6501-Q100 is available in a small 5 pin SOT8098-1 package and is characterized for operation within a temperature range of -55 °C to 125 °C.This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.

Features

  • Automotive product qualification in accordance with AEC-Q100 (Grade 1)
  • Specified from -55 °C to +125 °C
  • Push-pull driver for transformers, optimized for low EMI:
  • Slew-rate control
  • Spread Spectrum Clocking (SSC)
  • Wide input voltage range: 2.25 V to 5.5 V
  • High output drive: 1.2 A at 5 V supply
  • Low RON 0.2 Ω maximum at 5 V supply
  • Internal switching frequency: 410 kHz
  • 1.7 A output current limit
  • Thermal shutdown protection
  • Soft-start to reduce In-rush current
  • ESD protection:
  • HBM: ANSI/ESDA/JEDEC JS-001 class 3A exceeds 6000 V
  • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1500 V
  • Packages
  • Small 5 pin SOT8098-1 (TSOT23-5) package
  • Small 5 pin SOT8121-1 (LSOT5) package
  • Functional safety-capable
  • China +1 product option available (-Q100/G)

Typical applications

  • Medical instruments
  • On-board charger
  • Battery management system
  • Process control, Traction inverter and motor control
  • DC-DC converter, Telecom supplies, Radio supplies Distributed supplies, Low-noise isolated USB supplies, Isolated power supply for automotive and industrial applications: CAN, RS-485, RS-422, RS-232, SPI, I²C, low-power LAN

More information

Parts approved by Nexperia

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Order Code
Data­sheet
Downloads
Status
Product series
VIN
VOut1(V)
IOut1(A)
Type of Insulation
fswitch(kHz)
∫Udt(Vµs)
NPRI : NSEC
L(µH)
VT(V (AC))
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
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750315225
SPECWE-PPTI Push-Pull Transformers, 3.3 V (DC), 3.6 V

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PPTI Push-Pull Transformers
Input Voltage 3.3 V (DC)
Output Voltage 13.6 V
Output Current 10.9 A
Type of InsulationFunctional 
Switching Frequency 350 - 550
Voltage-µSecond8.5 Vµs
Turns Ratio1:1.1 
Inductance388 µH
Insulation Test Voltage2750 V (AC)
Length6.73 mm
Width10.2 mm
Height4.19 mm
MountSMT 
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