AH175
HALL EFFECT LATCH FOR HIGH TEMPERATURE
AH175
Document number: DS31043 Rev. 10 - 2
1 of 9
www.diodes.com
July 2010
?Diodes Incorporated
Description
AH175 is a single-digital-output Hall-Effect latch sensor for
high temperature operation. The device includes an on-chip
Hall voltage generator for magnetic sensing, an amplifier to
amplify Hall voltage, and a comparator to provide switching
hysteresis for noise rejection, an open-collector output pre-
driver. An internal band-gap regulator provides a temperature
compensated supply voltage for internal circuits and allows a
wide operating supply range.
When the magnetic flux density (B) is larger than operate
point (Bop), output is switched on (OUT pin is pulled low).
The output state is held on until a magnetic flux density
reversal falls below Brp. When B is less than Brp, the output
is switched off.
The AH175 is available in SIP-3L and SC59 packages.
Features
" Bipolar Hall-Effect latch sensor
" 3.5V to 20V DC operating voltage
" Open collector pre-driver
" 25mA output sink current
" Built-in power reverse protection
" Operating Temperature: -40篊~+150篊
" SIP-3L and SC59 packages
(SC59 is commonly known as SOT23 in Asia)
" Green Molding Compound (No Br, Sb) (Note 1)
Pin Assignments
(Top View)
1.
Vcc
2. GND
3.
OUT
SIP-3L
1. Vcc
GND 2.
3. OUT
(Top View)
SC59
Applications
" Rotor Position Sensing
" Current Switch
" Encoder
" RPM Detection
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Typical Application Circuit
M
Driver
&
Control Logic
Ia
Ib
Ic
IA
IC
IB
HB
HA
HC
M: Three Phase Hall Motor
Digital Hall Effect Sensor
Hall Motor Driver
RPM sensing
3 Phase Hall Motor
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相关代理商/技术参数
AH175-SNG-7
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
AH175-SNG-A
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
AH175-SNG-B
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
AH175-SNL-7
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
AH175-SNL-A
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
AH175-SNL-B
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
AH175-W-A
制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Hall Effect Latch For High Temperature
AH175-WA-A
制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Hall Effect Latch For High Temperature