Effect Latch. AH175 Datasheet

AH175 Latch. Datasheet pdf. Equivalent

Part AH175
Description Hall Effect Latch
Feature AH175 Hall Effect Latch For High Temperature „ Features - Bipolar Hall effect latch sensor - 3.5V to.
Manufacture ANACHIP
Datasheet
Download AH175 Datasheet



AH175
Hall Effect Latch For High Temperature
AH175
„ Features
- Bipolar Hall effect latch sensor
- 3.5V to 20V DC operation voltage
- Open collector pre-driver
- 25mA output sink current
- Chip power reverse-connection protection
- Operating temperature: 40°C ~ +125°C
- Package: SIP3, SOT23
„ Applications
- Rotor position sensing
- Current switch
- Encoder
- RPM detection
„ Pin Assignment
(Top view)
(SIP3 package)
3. OUT
2. GND
1. VCC
„ General Description
AH175 is a single-digital-output Hall-effect 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, and an open-collector output pre-driver.
An internal bandgap regulator is used to provide
temperature compensated supply voltage for
internal circuits and allows a wide operating supply
range.
While the magnetic flux density (B) is larger than
threshold Bop, the OUT pin turns on (low). If B
removed toward Brp, the OUT pin is latched “on”
state prior to B < Brp. When B < Brp, the OUT pin
go into “ off ” state.
„ Pin Descriptions
Name
VCC
GND
OUT
Description
Input power
Ground
Output stage
GND 2.
3. OUT
1. VCC
( SOT23 package)
„ Ordering Information
AH175 X - X X X - X
Wafer Body
Blank or
A~Z : if necessary
to specify
Package
P: SIP3
W: SOT23
Lead
L : Lead Free
Blank: Normal
Packing
Blank : Tube
A : Taping
Magnetic
Characteristics
A or B
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.7 May 7, 2004
1/6



AH175
Hall Effect Latch For High Temperature
„ Block Diagram
VCC
1
AH175
REG.
AMP
„ Application Circuit
3 OUT
2 GND
IA
IB
Driver
&
IC
Ia
Ib
Ic
Control Logic
HA
HB
HC
Hall Motor Driver
M
RPM sensing
Digital Hall Effect Sensor
M: Three Phase Hall Motor
Three Phase Hall Motor
Anachip Corp.
www.anachip.com.tw
Rev 0.7 May 7, 2004
2/6





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