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參數資料
| 型號： | AH477Z4-AG1 |
| 廠商： | BCD SEMICONDUCTOR MANUFACTURING LTD |
| 元件分類： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -7-7mT, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | ROHS COMPLIANT, TO-94, SIP-4, |
| 文件頁數： | 1/10頁 |
| 文件大小： | 582K |
| 代理商： | AH477Z4-AG1 |
SINGLE PHASE HALL EFFECT LATCH
AH477
1
Oct. 2009 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
Data Sheet
General Description
The AH477 is an integrated Hall sensor with H-
bridged output driver designed for brushless DC motor
applications. The device includes an on-chip Hall sen-
sor for magnetic sensing, an amplifier that amplifies
the Hall voltage, a comparator to provide switching
hysteresis for noise rejection, a bi-directional drivers
for sinking and driving large current load. It also
includes an internal bandgap regulator to provide tem-
perature compensated bias for internal circuits and
allows a wide operating supply voltage range.
Placing the device in a variable magnetic field, if the
magnetic flux density is larger than threshold BOP, the
DO is turned to sink and DOB is turned to drive. This
output state is held until the magnetic flux density
reverses and falls below BRP, then causes DO to be
turned to drive and DOB turned to sink.
AH477 is available in TO-94 (SIP-4L) package.
Features
On-Chip Hall Sensor
Operating Voltage: 3.5V to 18V
H-Bridge Output Drivers for Single Coil
Internal Bandgap Regulator for Temperature
Compensation
Low Output Switching Current Noise
-20oC to 85oC Operating Temperature
Low Profile TO-94 (SIP-4L) Package
ESD Rating: 3000V (Human Body Model)
Applications
Single-Coil Brushless DC Motor
Single-Coil Brushless DC Fan
Figure 1. Package Type of AH477
TO-94
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AH477Z4-BE1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:SINGLE PHASE HALL EFFECT LATCH |
| AH477Z4-BG1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:SINGLE PHASE HALL EFFECT LATCH |
| AH478 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:SINGLE PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION |
| AH49E | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:LINEAR HALL-EFFECT IC |
| AH49ENTR-G1 | 制造商:Diodes Incorporated 功能描述:HALL LINEAR SOT23 T&R 3K - Tape and Reel 制造商:Diodes Incorporated 功能描述:IC HALL LINEAR SOT23 |
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