Piezo Haptic Actuator - PowerHap™
Type 15G
Series/Type:
Ordering code:
Date:
Version:
PowerHap 15G - Prototypes
Z63000Z2910Z 1Z 4
2017-07-28
9 – Preliminary data
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Identification/Classification 1
Piezo Haptic Actuator - PowerHap™
(header 1 + top left bar):
Identification/Classification 2
Type 15G
(header 2 + bottom left header bar):
Ordering code: (top right header bar)
Z63000Z2910Z 1Z 4
Series/Type: (bottom right header bar)
PowerHap 15G - Prototypes
Preliminary data (optional):
Preliminary data
Department:
PPD PI AE/IE PD
Date:
2017-07-28
Version:
9 – Preliminary data
EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Piezo Haptic Actuator - PowerHap™
Type 15G
Preliminary data
Z63000Z2910Z 1Z 4
PowerHap 15G - Prototypes
Features
Large displacement
High acceleration
High force
Low insertion height
Fast response time
Integrated sensor functionality
Design
RoHS-compatible PZT (lead zirconium
titanate) ceramic
Copper inner electrodes
Dimension of ceramic body: 26 x 26 x 1 (mm)
Titanium cymbals for displacement amplification
Polarized at 120 V
Contains SVHC substance 12626-81-2
Electrical ratings
Parameter
Rated voltage
Operating temperature powered
Operating temperature unpowered
Maximum compressive force on actuator
Maximum operation frequency
Maximum voltage gradient
Ratings
0 … 120 V
-40 … +85 °C
-40 … +125 °C
0 … 20 N
500 Hz*
1.2 MV/s
*) Operation frequency is limited by self-heating of the device. At 120 V, 500 Hz, square wave conditions, a maximum temperature increase
of +30 °C is observed.
Electrical characteristics
Parameter
Capacitance; C
Dissipation factor; tan
δ
1
st
Resonance frequency
Displacement; s
Loading Energy; E = Q
U/2
Stiffness; k
Acceleration
Conditions @ 25 °C
1 kHz, 1 V
RMS
1 kHz, 1 V
RMS
0.5 V
RMS
120 V, measured at cymbal end-caps
120 V
120 V various load stiffness; preload 10 N
load 20
g,
square wave, 120 V
load 100
g,
square wave, 120 V
load 500
g,
square wave, 120 V
Expected value (typ.)
3.6 µF
< 0.05
8 kHz
200 µm
41 mJ
100 N/mm
65
g
15
g
5.0
g
General
Polarity of the prototypes:
“+” is the larger metallization area. In the preliminary phase, samples are
delivered with soldered wires where the red wire is the positive pole
PPD PI AE/IE PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 8
2017-07-28
Piezo Haptic Actuator - PowerHap™
Type 15G
Preliminary data
Dimensional drawings
Z63000Z2910Z 1Z 4
PowerHap 15G - Prototypes
PPD PI AE/IE PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 8
2017-07-28
Piezo Haptic Actuator - PowerHap™
Type 15G
Preliminary data
Z63000Z2910Z 1Z 4
PowerHap 15G - Prototypes
Application note
Depending on the exact application and geometry PowerHap actuators can be mounted and operated
in different ways. Some options shall be explained in more detail:
1) Mounting underneath a membrane
PowerHap™
Membrane
Cavity
Back panel
In this case the PowerHap actuator is clamped between a thin, flexible membrane and a rigid back
panel. By applying a voltage, the actuator elongates and consequently deforms the membrane.
In principle the membrane can be out of any material, but it may be necessary to tune the thickness.
While the membrane needs to be as flexible as possible to maximize the haptic feedback felt by the
user, it needs to be also stiff enough to properly clamp the actuator.
In contrast, the back panel has to be as stiff as possible, so that only the membrane is the deformed.
For optimal performance, it is further recommended that the actuator is compressed by a preload of
5 N up to maximum 20 N.
2) Direct mounting to a load
In some applications, for example if haptic feedback shall be applied to a touchscreen, the
deformation of a membrane may be undesirable. In such cases PowerHap actuators can be mounted
directly underneath the load (for example a touchscreen).
By applying a voltage to the actuator, it elongates and therefore moves the load. This movement can
be felt by the user. For a maximal haptic feedback, the rear panel needs to be as heavy as possible.
Otherwise the PowerHap actuator will not only move the load but also the rear panel and therefore a
part of the performance is lost.
In the simplest case it is possible to press the load on the PowerHap actuator (and consequently also
the PowerHap actuator to the rear panel) by using springs. As in case 1 a preload of 5 N up to
maximum 20 N is recommended. To ensure the position of the PowerHap actuator, it can be either
fixed to the rear panel or the load (e.g. adhesive tape, glue).
PPD PI AE/IE PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 8
2017-07-28
Piezo Haptic Actuator - PowerHap™
Type 15G
Preliminary data
Z63000Z2910Z 1Z 4
PowerHap 15G - Prototypes
3) Multiple actuators
PowerHap actuators are optimized to deliver a strong haptic feedback. For example, a test load with a
mass of 0.1 kg is accelerated with up to 15 g. However, for heavier loads the acceleration decreases.
As a consequence for very heavy loads (like huge displays) the user may only experience a very
weak or even unnoticeable haptic effect. In such cases it is possible to combine multiple actuators.
General application notes
Some parts of this publication contain statements about the suitability of our ceramic piezo
components for certain areas of application, including recommendations about incorporation/design-in
of these products into customer applications. The statements are based on our knowledge of typical
requirements made of our devices in the particular areas. We nevertheless expressly point out that
such statements cannot be regarded as binding statements about the suitability of our piezo
components for a particular customer application. As a rule, EPCOS is either unfamiliar with individual
customer applications or less familiar with them than the customers themselves. For these reasons, it
is always incumbent on the customer to check and decide whether the piezo component devices with
the properties described in the product specification are suitable for use in a particular customer
application.
Do not use piezo components for purposes not identified in our specifications, application notes
and data sheets.
Ensure the suitability of a piezo component in particular by testing it for reliability during design-in.
Always evaluate a piezo component under worst-case conditions.
Pay special attention to the reliability of piezo devices intended for use in safety-critical
applications (e.g. medical equipment, automotive, spacecraft, nuclear power plant).
Do not drive the piezo actuator under resonance conditions.
Design notes
Consider de-rating at higher operating temperatures and loads.
In some cases the malfunctioning of passive electronic components or failure before the end of
their service life cannot be completely ruled out in the current state of the art, even if they are
operated as specified. In applications requiring a very high level of operational safety and
especially when the malfunction or failure of a passive electronic component could endanger
human life or health (e.g. in accident prevention, life-saving systems, or automotive battery line
applications such as clamp 30), ensure by suitable design of the application or other measures
(e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by
third parties in the event of such a malfunction or failure. Do not use piezo components in safety-
relevant applications.
Specified values only apply to piezo components that have not been subject to prior electrical,
mechanical or thermal damage.
Operation
Use piezo actuator components only within the specified operating temperature range.
Use piezo actuator components only within specified voltage and current ranges.
Piezo actuator components have to be operated in a dry, non-reducing atmosphere which must
not contain any additional chemical vapours or substances. We recommend appropriate drying of
PPD PI AE/IE PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 8
2017-07-28
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