Product
Folder
Order
Now
Support &
Community
Tools &
Software
Technical
Documents
DRV5056
SBAS644 – APRIL 2018
DRV5056 Unipolar Ratiometric Linear Hall Effect Sensor
1 Features
3 Description
•
•
•
The DRV5056 is a linear Hall effect sensor that
responds proportionally to flux density of a magnetic
south pole. The device can be used for accurate
position sensing in a wide range of applications.
1
•
•
•
•
•
Unipolar Linear Hall Effect Magnetic Sensor
Operates From 3.3-V and 5-V Power Supplies
Analog Output With 0.6-V Quiescent Offset:
– Maximizes Voltage Swing for High Accuracy
Magnetic Sensitivity Options (At VCC = 5 V):
– A1: 200 mV/mT, 20-mT Range
– A2: 100 mV/mT, 39-mT Range
– A3: 50 mV/mT, 79-mT Range
– A4: 25 mV/mT, 158-mT Range
Fast 20-kHz Sensing Bandwidth
Low-Noise Output With ±1-mA Drive
Compensation For Magnet Temperature Drift
Standard Industry Packages:
– Surface-Mount SOT-23
– Through-Hole TO-92
2 Applications
•
•
•
•
•
•
•
•
Precise Position Sensing
Industrial Automation and Robotics
Home Appliances
Gamepads, Pedals, Keyboards, Triggers
Height Leveling, Tilt and Weight Measurement
Fluid Flow Rate Measurement
Medical Devices
Current Sensing
Featuring a unipolar magnetic response, the analog
output drives 0.6 V when no magnetic field is present,
and increases when a south magnetic pole is applied.
This response maximizes the output dynamic range
in applications that sense one magnetic pole. Four
sensitivity options further maximize the output swing
based on the required sensing range.
The device operates from 3.3-V or 5-V power
supplies. Magnetic flux perpendicular to the top of the
package is sensed, and the two package options
provide different sensing directions.
The device uses a ratiometric architecture that can
minimize error from VCC tolerance when the external
analog-to-digital converter (ADC) uses the same VCC
for its reference. Additionally, the device features
magnet temperature compensation to counteract how
magnets drift for linear performance across a wide
–40°C to +125°C temperature range.
Device Information(1)
PART NUMBER
DRV5056
TO-92 (3)
4.00 mm × 3.15 mm
Magnetic Response
VCC
OUT
VCC
OUT
BODY SIZE (NOM)
2.92 mm × 1.30 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Schematic
DRV5056
VCC
PACKAGE
SOT-23 (3)
Controller
VL (MAX)
ADC
GND
0.6 V
0 mT
B
south
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
DRV5056
SBAS644 – APRIL 2018
www.ti.com
Table of Contents
1
2
3
4
5
6
7
Features ..................................................................
Applications ...........................................................
Description .............................................................
Revision History.....................................................
Pin Configuration and Functions .........................
Specifications.........................................................
1
1
1
2
3
3
6.1
6.2
6.3
6.4
6.5
6.6
6.7
3
4
4
4
4
5
6
Absolute Maximum Ratings ......................................
ESD Ratings..............................................................
Recommended Operating Conditions.......................
Thermal Information ..................................................
Electrical Characteristics...........................................
Magnetic Characteristics...........................................
Typical Characteristics ..............................................
7.4 Device Functional Modes........................................ 13
8
Application and Implementation ........................ 14
8.1 Application Information............................................ 14
8.2 Typical Application .................................................. 15
8.3 Do's and Don'ts ....................................................... 17
9 Power Supply Recommendations...................... 19
10 Layout................................................................... 19
10.1 Layout Guidelines ................................................. 19
10.2 Layout Examples................................................... 19
11 Device and Documentation Support ................. 20
11.1
11.2
11.3
11.4
11.5
11.6
Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................... 9
Documentation Support .......................................
Receiving Notification of Documentation Updates
Community Resources..........................................
Trademarks ...........................................................
Electrostatic Discharge Caution ............................
Glossary ................................................................
20
20
20
20
20
20
12 Mechanical, Packaging, and Orderable
Information ........................................................... 20
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
2
DATE
REVISION
NOTES
April 2018
*
Initial release.
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Product Folder Links: DRV5056
DRV5056
www.ti.com
SBAS644 – APRIL 2018
5 Pin Configuration and Functions
DBZ Package
3-Pin SOT-23
Top View
LPG Package
3-Pin TO-92
Top View
1
VCC
3
OUT
GND
2
1
2
VCC
3
GND OUT
Pin Functions
PIN
NAME
I/O
DESCRIPTION
SOT-23
TO-92
GND
3
2
—
Ground reference
OUT
2
3
O
Analog output
VCC
1
1
—
Power supply. TI recommends connecting this pin to a ceramic capacitor to ground
with a value of at least 0.01 µF.
6 Specifications
6.1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (1)
MIN
MAX
UNIT
Power supply voltage
VCC
–0.3
7
V
Output voltage
OUT
–0.3
VCC + 0.3
V
Magnetic flux density, BMAX
Unlimited
T
Operating junction temperature, TJ
–40
150
°C
Storage temperature, Tstg
–65
150
°C
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Product Folder Links: DRV5056
3
DRV5056
SBAS644 – APRIL 2018
www.ti.com
6.2 ESD Ratings
VALUE
V(ESD)
(1)
(2)
Electrostatic discharge
Human-body model (HBM), per ANSI/ESDA/JEDEC JS001 (1)
±2500
Charged-device model (CDM), per JEDEC specification
JESD22-C101 (2)
±750
UNIT
V
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
VCC
Power supply voltage (1)
IO
Output continuous current
TA
Operating ambient temperature (2)
(1)
(2)
MIN
MAX
3
3.63
4.5
5.5
UNIT
V
–1
1
mA
–40
125
°C
There are two isolated operating VCC ranges. For more information see the Operating VCC Ranges section.
Power dissipation and thermal limits must be observed.
6.4 Thermal Information
DRV5056
THERMAL METRIC
(1)
SOT-23 (DBZ)
TO-92 (LPG)
3 PINS
3 PINS
UNIT
RθJA
Junction-to-ambient thermal resistance
170
121
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
66
67
°C/W
RθJB
Junction-to-board thermal resistance
49
97
°C/W
YJT
Junction-to-top characterization parameter
1.7
7.6
°C/W
YJB
Junction-to-board characterization parameter
48
97
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
6.5 Electrical Characteristics
for VCC = 3 V to 3.63 V and 4.5 V to 5.5 V, over operating free-air temperature range (unless otherwise noted)
TEST CONDITIONS (1)
PARAMETER
ICC
Operating supply current
tON
Power-on time (see Figure 17)
fBW
Sensing bandwidth
td
Propagation delay time
BND
Input-referred RMS noise density
BN
Input-referred noise
VN
(1)
(2)
4
Output-referred noise (2)
B = 0 mT, no load on OUT
From change in B to change in OUT
MIN
TYP
MAX
6
10
150
300
10
µs
VCC = 3.3 V
215
BN × S
µs
kHz
130
VCC = 5 V
mA
20
VCC = 5 V
BND × 6.6 × √20 kHz
UNIT
0.12
VCC = 3.3 V
0.2
DRV5056A1
24
DRV5056A2
12
DRV5056A3
6
DRV5056A4
3
nT/√Hz
mTPP
mVPP
B is the applied magnetic flux density.
VN describes voltage noise on the device output. If the full device bandwidth is not needed, noise can be reduced with an RC filter.
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Product Folder Links: DRV5056
DRV5056
www.ti.com
SBAS644 – APRIL 2018
6.6 Magnetic Characteristics
for VCC = 3 V to 3.63 V and 4.5 V to 5.5 V, over operating free-air temperature range (unless otherwise noted)
TEST CONDITIONS (1)
PARAMETER
VQ
Quiescent voltage
B = 0 mT, TA = 25°C
MIN
TYP
MAX
DRV5056A1
0.535
0.6
0.665
DRV5056A2
0.54
0.6
0.66
DRV5056A3,
DRV5056A4
0.55
0.6
0.65
VQΔT
Quiescent voltage temperature drift
B = 0 mT,
TA = –40°C to 125°C
versus 25°C
VQΔL
Quiescent voltage lifetime drift
High-temperature operating stress for
1000 hours
VCC = 5 V,
TA = 25°C
S
Sensitivity
VCC = 3.3 V,
TA = 25°C
VCC = 5 V,
TA = 25°C
BL
Full-scale magnetic sensing range (2)
VCC = 3.3 V,
TA = 25°C
VL
Linear range of output voltage (3)
STC
Sensitivity temperature compensation
for magnets (4)
(3)
VCC = 5 V
0.08
VCC = 3.3 V
0.04
很抱歉,暂时无法提供与“DRV5056A2QDBZR”相匹配的价格&库存,您可以联系我们找货
免费人工找货- 国内价格
- 1+7.22520
- 10+6.12360
- 30+5.51880