AH173
INTERNAL PULL-UP HALL EFFECT LATCH FOR HIGH
TEMPERATURE
AH173
Document number: DS31044 Rev. 10 - 2
1 of 9
www.diodes.com
July 2010
?Diodes Incorporated
Description
AH173 is a single-digital-output Hall-Effect latch sensor with
pull-up resistor for high temperature operation. The device
includes an on-chip Hall voltage generator for magnetic
sensing, an amplifier to amplify Hall voltage, a comparator to
provide switching hysteresis for noise rejection, and an
output driver with a pull-up resistor (Rpu). 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 AH173 is available in SIP-3L and SC59 packages.
Features
" Bipolar Hall-Effect latch sensor
" 3V to 20V DC operating voltage
" Built-in pull-up resistor
" 25mA output sink current
" Operating temperature: -40癈 to +125癈
" 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
AH173-WL-7-A-CUT TAPE
制造商:DIODES 功能描述:AH173 Series 20 V Internal Pull-Up Hall Effect Latch High Temperature - SC-59-3
AH173-WL-7-B
功能描述:板机接口霍耳效应/磁性传感器 HALL IC SNSR LATCH BI 3.0V-20V 25MA B RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23
AH173WL-A
制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Internal Pull-up Hall Effect Latch For High Temperature
AH173-WL-A-A
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:INTERNAL PULL-UP HALL EFFECT LATCH FOR HIGH TEMPERATURE
AH173WLA-A
制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Internal Pull-up Hall Effect Latch For High Temperature
AH173-WL-A-B
制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:INTERNAL PULL-UP HALL EFFECT LATCH FOR HIGH TEMPERATURE
AH173-WLA-B
功能描述:板机接口霍耳效应/磁性传感器 Single Brushless RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23
AH173WLA-B
制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Internal Pull-up Hall Effect Latch For High Temperature