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DRV5015 Datasheet

Digital-Latch Hall Effect Sensor

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DRV5015
SBAS915A – JUNE 2018 – REVISED APRIL 2019
DRV5015 Low-Voltage, High-Sensitivity, Digital-Latch Hall Effect Sensor
1 Features
1 Digital-latch hall effect sensor
• High magnetic sensitivity:
– DRV5015A1: ±0.7 mT (typical)
– DRV5015A2: ±1.8 mT (typical)
– DRV5015A3: ±1.8 mT (inverted, typical)
• Integrated hysteresis
• Fast 30-kHz sensing bandwidth
• 2.5-V to 5.5-V operating VCC range
• Open-drain output capable of 20-mA output
current
• Operating temperature range: –40°C to +125°C
2 Applications
• Brushless dc motor sensors
• Incremental rotary encoding:
– Brushed dc motor feedback
– Motor speed (tachometer)
– Mechanical travel
– Fluid measurement
– Human interface knobs
– Wheel speed
• E-bikes
3 Description
The DRV5015 is a low-voltage digital-latch Hall effect
sensor designed for high-speed and high-temperature
motor applications. Operating from a 2.5-V to 5.5-V
power supply, the device senses magnetic flux
density and presents a digital output based on
predefined magnetic thresholds.
Alternating north and south magnetic poles are
required to toggle the output and integrated
hysteresis provides robust switching.
The device is offered in two magnetic threshold
options and an inverted output option. The high
magnetic sensitivity provides flexibility in low-cost
magnet selection and component placement.
The device performs consistently across a wide
ambient temperature range of –40°C to +125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DRV5015
SOT-23 (3)
2.92 mm × 1.30 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
Typical Schematic
VCC DRV5015
VCC
OUT
GND
Controller
VCC
GPIO
GPIO
Magnetic Response
OUT
VCC
BHY S
VCC DRV5015
VCC
OUT
GND
north
0V
BRP 0 mT BOP
DRV5015A1, DRV5015A2
OUT
VCC
BHY S
B
south
north
0V
BRP 0 mT BOP
DRV5015A3
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.




etcTI

DRV5015 Datasheet Preview

DRV5015 Datasheet

Digital-Latch Hall Effect Sensor

No Preview Available !

DRV5015
SBAS915A – JUNE 2018 – REVISED APRIL 2019
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 3
6.1 Absolute Maximum Ratings ...................................... 3
6.2 ESD Ratings.............................................................. 3
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 4
6.6 Magnetic Characteristics........................................... 4
6.7 Typical Characteristics .............................................. 5
7 Detailed Description .............................................. 7
7.1 Overview ................................................................... 7
7.2 Functional Block Diagram ......................................... 7
7.3 Feature Description................................................... 7
7.4 Device Functional Modes........................................ 12
8 Application and Implementation ........................ 13
8.1 Application Information............................................ 13
8.2 Typical Applications ................................................ 13
8.3 What to Do and What Not to Do ............................. 16
9 Power Supply Recommendations...................... 17
10 Layout................................................................... 17
10.1 Layout Guidelines ................................................. 17
10.2 Layout Example .................................................... 17
11 Device and Documentation Support ................. 18
11.1 Documentation Support ........................................ 18
11.2 Receiving Notification of Documentation Updates 18
11.3 Community Resources.......................................... 18
11.4 Trademarks ........................................................... 18
11.5 Electrostatic Discharge Caution ............................ 18
11.6 Glossary ................................................................ 18
12 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
Changes from Original (June 2018) to Revision A
Page
• Changed output voltage max value from VCC + 0.3 V to 6.0 V in the Absolute Maximum Ratings table ............................. 3
2 Submit Documentation Feedback
Product Folder Links: DRV5015
Copyright © 2018–2019, Texas Instruments Incorporated


Part Number DRV5015
Description Digital-Latch Hall Effect Sensor
Maker etcTI
Total Page 27 Pages
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