DK-RV-1.8-TRK-33 austriamicrosystems, DK-RV-1.8-TRK-33 Datasheet - Page 8

• Manufacturer Part Number: DK-RV-1.8-TRK-33
• Description: EVAL KIT SQUIGGLE MOTOR + SENSOR
• Manufacturer: austriamicrosystems
• Series: SQUIGGLE®, TRACKER™r

Specifications of DK-RV-1.8-TRK-33

• Main Purpose: Power Management, Motor Control
• Utilized Ic / Part: SQL-RV-1.8-6-12, NSE-5310, MC-3300-RV, NSD-2101
• Primary Attributes: Linear Motor, Driver and Position Encoder
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Embedded: -
• Secondary Attributes: -

NSD-2101
Data Sheet - D e t a i l e d D e s c r i p t i o n
The rise and fall time definition is shown in
for rise time and 90% to 10% for fall time. A full bridge switching cycle will take longer.
Figure 5. Rise / Fall Time Definition
In
Figure 6. Output Driver Current Limit
7.2 Power Dissipation Control
Following techniques are implemented to keep the system and on-chip power dissipation low.
Table 7. Power Dissipation Control
www.austriamicrosystems.com/NSD-2101
Selectable half-bridge
Selective charge control for full-bridge
Hybrid Control for full-bridge
SCC
Symbol
Figure
PS
HB
HB
Selectable half bridge mode depending on input supply voltage
Selective charge control for full bridge mode
Hybrid Control for full bridge mode
PDS
thr
thf
PDS
6, the effect of current limit in the output drivers is shown. Each half-bridge output can deliver 1000mA.
Power dissipation saving
Power dissipation saving
Falling Threshold
Rising Threshold
Parameter
I
I
lim
lim
VDD = 2.3V
= 1600mA
= 1000mA
V(half-bridge)
Figure
I(half-bridge)
0mA
0V
voltage. Typical system power dissipation can be reduced
mode. Power saving in comparison to standard full-bridge
higher than 5.0V only half bridge mode should be used to
fact that the effective voltage on the capacitor is reduced.
With this technique the power dissipation can be reduced
When half-bridge mode is enabled then the output driver
will switch to half-bridge drive depending on input supply
scheme the power dissipation can be reduced due to the
down to 25% of standard full-bridge drive. When VDD is
By adding an additional state in the full bridge switching
typical hysteresis of 100mV is implemented to increase
by switching periodically from full-bridge to half-bridge
drive is mainly depending on duty cycle between half-
avoid exceeding max total power dissipation of 1W. A
bridge and full-bridge. Hybrid Control is also used for
5. Time between crossing 10% and 90% threshold of minimum VDD is measured, 10% to 90%
10%
90%
immunity against supply disturbances.
speed control.
tr
Conditions
Revision 0.4
tf
typ 1300mA
Min
4.3
4.2
30
t
t
Typ
4.5
4.4
Max
4.7
4.6
50
75
Units
%
%
8 - 22
V
V