Diodes Incorporated AH266
AH266 is an integrated Hall sensor with output drivers designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, a Schmitt trigger to provide switching hysteresis for noise rejection, and complementary Darlington open-collector drivers for sinking large current loads. The output state is latched prior to reaching release point (Brp).| Part No. | AH266 |
|---|---|
| Datasheet | AH266 Download |
| Manufacturer |  Diodes Incorporated |
| Description | HIGH VOLTAGE HALL EFFECT LATCH |
| Buy | Stock & Price |
DESCRIPTION
An internal band-gap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. If a magnetic flux density (B) is larger than operation point (Bop), DO will turn on (low) and DOB will turn off (high). If B< Brp, DO will turn off and DOB will turn on. AH266 is rated for operation over temperature range from -20°C to +85°C and voltage range from 4V to 28V. The devices are available in low cost die forms or rugged 4 pin SIP packages. Pin Assignments ( Top View ) 266 12 3 4 SIP-4FEATURES
● On-Chip Hall Plate● Operating Voltage: 4V to 28V
● Output Current: 400mA (Continuous, +25°C)
● Reverse Protection Diode Only for Chip Reverse Power Connecting (Note 1)
● Output Protection Zener Breakdown VZ = 62V (Typ.)
● Lead Free package: SIP-4
● SIP-4: Available in “Green” Molding Compound (No Br, Sb)
● RoHS Compliant (Note 2)
● Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
● Halogen and Antimony Free. “Green” Device (Note 3)
APPLICATIONS
● Dual-Coil Brushless DC Motor● Dual-Coil Brushless DC Fan
● Revolution Counting
● Speed Measurement Notes: 1.
