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US168

Features: · Soft Switching for low noise· Low supply voltage: 1.8V to 6.5V· Full Bridge driver· High sensitivity integrated Hall sensor· Low power consumption· Reverse voltage protection· Locked rotor protection and auto-restart· Thermal protection and auto-restart· Tachometer output signal (US168...

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SeekIC No. : 004538599 Detail

US168: Features: · Soft Switching for low noise· Low supply voltage: 1.8V to 6.5V· Full Bridge driver· High sensitivity integrated Hall sensor· Low power consumption· Reverse voltage protection· Locked rot...

US168 Data Sheet

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Part Number:
US168
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/22

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Product Details

Description



Features:

· Soft Switching for low noise
· Low supply voltage: 1.8V to 6.5V
· Full Bridge driver
· High sensitivity integrated Hall sensor
· Low power consumption
· Reverse voltage protection
· Locked rotor protection and auto-restart
· Thermal protection and auto-restart
· Tachometer output signal (US168) or Alarm output signal (US169)


Application

· 3V / 5V Low Noise BLDC Cooling Fans
· Low Voltage / Low Power BLDC Motors
· Notebook DC Fans / Blowers
· Automotive Low Noise Climate Control Fans
· Micro-Motors


Specifications

Parameter Symbol Value Units
Supply Voltage VDD -7 to 7 V
Voltage on FG (RD) pin VFG (VRD) -6 to 7 V
Peak Output Current IOUTp 500 mA
Continuous Output Current Multi-layer (1S2P) PCB IOUTc 350 mA
Single-layer (1S0P) PCB IOUTc 300 mA
Operating Temperature Range TA -40 to 85
Junction Temperature TJ 125
Storage Temperature Range TS -50 to 150
Magnetic Flux Density B Unlimited mT
ESD Sensitivity (Global) (1) - 1500 V
ESD Sensitivity on all pins except FG/RD (1) - 5000 V

Table 1: Absolute maximum ratings

Note 1: Human Body Model according JESD22-A114 standard 100pF capacitor discharged through 1.5kW resistor into each pin.

Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute-maximumrated
conditions for extended periods may affect device reliability.


Description

The US168/169 is a one-chip solution for driving single-coil brushless DC fans and motors.

The use of Melexis Soft Switching concept US168 lowers the acoustic and electrical motor noise and provides smoother operation.

The US168 includes reverse voltage protection, locked rotor protection and thermal protection.Therefore, the IC robustness perfectly suits for consumer and automotive-on-board applications.

Tachometer (FG) or Alarm (RD) open-drain output of US168 is available. It makes easier the connectivity with external interface such as hardware monitoring or Super I/O IC.

Delivered in a thin and reliable TSOT package, US168 allows smaller and competitive single-coil fan or motor design, avoiding the need of external components.




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