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L9908 데이터시트(PDF) 99 Page - STMicroelectronics

부품명 L9908
상세설명  Automotive 3-Phase motor gate driver unit
PDF  153 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L9908 데이터시트(HTML) 99 Page - STMicroelectronics

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PVF_TH_CFG
Description
1
VPVF_TH_H = VDH*0.6
VPVF_TH_L = VDH*0.4
Table 93. PVF electrical characteristics
Symbol
Parameter
Min Typ Max Unit Notes
PPVF_th_acc
PVF thresholds accuracy
-6.5
-
6.5
%
-
PPVF_th_match
PVF thresholds matching
-8
-
8
%
-
PPVF_htol_dly
PVF high to low propagation delay
-
-
200
ns
-
PPVF_ltoh_dly
PVF low to high propagation delay
-
-
200
ns
-
PPVF_dly_match
PVF propagation delay matching (phase vs. phase)
-
10
30
ns
-
PPVF_htol_ltoh_dly_match
PVF propagation delay matching (single phase - rise to fall)
-
20
35
ns
-
Note:
All parameters are guaranteed, and tested, in the voltage ranges reported above in Table 5 unless otherwise
specified. Where not specified the parametrical operating range equals the functional operating range.
Figure 74. Phase voltage feedback behavior
The state of PVF comparators is echoed into dedicated SPI readable registers PVFn_ECHO, in the register
GEN_STATUS3.
To save pin-count the phase comparator outputs are multiplexed to one single output pin CSO3/PVM.
The selection of which phase comparators output can be configured by means of a dedicated SPI bit set as
follows:
L9908
Phase Voltage Feedback (PVF)
DS13546 - Rev 3
page 99/153



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