DRV3202-Q1 Datasheet, PDF (26/41 Pages) Texas Instruments – DRV3202-Q1 3-Phase Brushless Motor Driver

Not Recommended for New Designs
DRV3202-Q1
SLVSBJ4B – OCTOBER 2012 – REVISED JULY 2016
Feature Description (continued)
VB
CLAMP
7:1
PH1T
PH2T
PH3T
CAL_MODE
CLAMP
3:1
CAL_MODE
2.5 V
VCC
-
+
VCC
-
+
VCC
-
+
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R2
R1
VCC
-
open
+
Sample
and
Hold
R1
R2
SH_MODE
High: Sample and Hold Mode
Low: Through Mode
VCC
-
+
PTV1
PTV2 PTVx = ¼ x (R2 / R1) x (PHxT-½ x VB) + 2.5 V
PTV3
PSC
PSC1
PSC2
PSC3
PSS1
PSS2
PSS3
Figure 21. Sample and Hold Mode Block Diagram
VB
7:1
CLAMP
PH1T
PH2T
PH3T
3:1
SHORT_MODE
CLAMP
SHORT_MODE
2.5 V
VCC
VCC
VCC
R2
R1
VCC
R1
R2
Short
Open
SHORT_MODE
High: Sample and Hold Mode
Low: Through Mode
VCC
PTV1
Disable ^PTV2
PTV3
PTVx = ¼*(R2 / R1)*(PHxT ± ½*VB) + 2.5 V
PSC1
PSC2
PSC3
PSS1
PSS2
PSS3
Figure 22. Through Mode Block Diagram
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