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DRV10963 Datasheet(PDF) 19 Page - Texas Instruments

Part No. DRV10963
Description  DRV10963 5-V, Three-Phase, Sensorless BLDC Motor Driver
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DRV10963 Datasheet(HTML) 19 Page - Texas Instruments

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Vcc
FG
FGS
VCC
W
GND
PWM
GND
FR
U
V
1
2
3
4
5
10
9
8
6
M
7
Vcc
Gnd
2.2uF
FG
PWMIN
100k
Gnd
DRV10963
www.ti.com
SLAS955A – MARCH 2013 – REVISED JULY 2015
8 Application and Implementation
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
8.1 Application Information
DRV10963 is used in sensorless 3-phase BLDC motor control. The driver provides a high performance, high
reliability, flexible and simple solution for compute fan applications. The following design shows a common
application of the DRV10963.
8.2 Typical Application
Figure 17. Typical Application Schematic
8.2.1 Design Requirements
Table 11 lists several key motor characteristics and recommended ranges which the DRV10963 is capable of
driving. However, that does not necessarily mean motors outside these boundaries cannot be driven by
DRV10963.
Recommended ranges listed in Table 11 can serve as a general guideline to quickly decide whether DRV10963
is a good fit for an application. Motor performance is not ensured for all uses.
Table 11. Key Motor Characteristics and Recommended Ranges
Rm (
Ω)
Lm (µH)
Kt (mV/Hz)
fFG_max (Hz)
Recommended
2.5 ~ 36
50 ~ 10000
1 ~ 100
1300
Value
Copyright © 2013–2015, Texas Instruments Incorporated
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