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H654

Features: · Operate from 3.5V ~ 20V supply voltage.· On-chip Hall sensor with two different sensitivity and hysteresis settings.· High output sinking capability up to 300mA for driving large load.· Lower current change rate reduces the peak output voltages during switching.· Build-in protecting di...

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SeekIC No. : 004357718 Detail

H654: Features: · Operate from 3.5V ~ 20V supply voltage.· On-chip Hall sensor with two different sensitivity and hysteresis settings.· High output sinking capability up to 300mA for driving large load.· ...

H654 Data Sheet

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Part Number:
H654
Supply Ability:
5000

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

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Product Details

Description



Features:

· Operate from 3.5V ~ 20V supply voltage.
· On-chip Hall sensor with two different sensitivity and hysteresis settings.
· High output sinking capability up to 300mA for driving large load.
· Lower current change rate reduces the peak output voltages during switching.
· Build-in protecting diode for chip reversal power connecting.


Specifications

Parameter Symbol Limits Unit
Supply Voltage VCC 20 V
Reverse VCC Polarity Voltage VRCC -35 V
Output OFF Voltage VCE 50 mA
Magnetic flux density B Unlimited  
Output ON Current
Continuous
Hold
Peak (Start Up)		 IC 0.3
0.4
0.4		 A
Power Dissipation Pd 500 mW
Operating Temperature TOPR 0 ~ +70
Junction Temperature Tj +125
Storage Temperature Tstg -40~+150
Note 1: Output Zener protection voltage


Description

The UTC H654 is integrated Hall sensors with complementary output drivers designed for electronic commutation of brushless DC Fan. It composed of an on-chip Hall voltage generator, a differential amplifier, Schmitt trigger, an open-collector output on a single chip. Furthermore, an internal bandgap regulator allows temperature compensated operations and a wide operating supply range. An on-chip protection diode is implemented to prevent reverse power fault.

When the magnetic flux density of H654 larger than threshold BOP, DO will be turned on(low) and DOB be turned off(high). The output state is held until the magnetic flux density is lower than BRP, and then DO is reversal to turned off and DOB turned on.




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