H654 Datasheet PDF | Unisonic Technologies

Unisonic Technologies H654

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. When the magnetic flux density larger than threshold BOP, DO will be turned on(low) and DOB be turned off(high).

Part No.	H654
Datasheet	H654 Download
Manufacturer	Unisonic Technologies
Description	COMPLEMENTARY OUTPUT HALL EFFECT LATCH
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DESCRIPTION

The UTC 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. 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.

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.(Note1) 1 SIP-4 *Pb-free plating product number: H654L ORDERING INFORMATION Order Number Normal Lead Free Plating H654-G04-K H654L-G04-K Package SIP-4 Packing Bulk H654L-G04-K (1)Packing Type (2)Package Type (3)Lead Plating (1) B: Bulk (2) G04: SIP-4 (3) L: Lead Free Plating, Blank: Pb/Sn PIN

DESCRIPTION

PIN NO.