전자부품 데이터시트 검색엔진
  Korean  ▼
ALLDATASHEET.CO.KR

X  

Preview PDF HTML

L9942 데이터시트(PDF) 17 Page - STMicroelectronics

부품명 L9942
상세설명  Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9942 데이터시트(HTML) 17 Page - STMicroelectronics

Back Button L9942 Datasheet HTML 13Page - STMicroelectronics L9942 Datasheet HTML 14Page - STMicroelectronics L9942 Datasheet HTML 15Page - STMicroelectronics L9942 Datasheet HTML 16Page - STMicroelectronics L9942 Datasheet HTML 17Page - STMicroelectronics L9942 Datasheet HTML 18Page - STMicroelectronics L9942 Datasheet HTML 19Page - STMicroelectronics L9942 Datasheet HTML 20Page - STMicroelectronics L9942 Datasheet HTML 21Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 17 / 40 page
background image
L9942
Electrical specifications
Doc ID 11778 Rev 7
17/40
3.4.2
Over- and undervoltage detection
Figure 6.
VS monitoring
3.4.3
Reference current output
The device works properly without the external resistor at pin REF. In this case it doesn't
have to fulfill all specified parameters.
Table 9.
Over- and undervoltage detection
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VSUV ON
VS UV-threshold voltage
VS increasing
-
-
6.90
V
VSUV OFF
VS UV-threshold voltage
VS decreasing
4.8
-
-
V
VSUV hyst
VS UV-hysteresis
VSUV ON -VSUV OFF
-0.3
-
V
VSOV OFF
VS OV-threshold voltage
VS increasing
-
21
25
V
VSOV ON
VS OV-threshold voltage
VS decreasing
18.5
20
-
V
VSOV hyst
VS OV-hysteresis
VSOV OFF -VSOV ON
-0.5
-
V
VPOR OFF Power-off-reset threshold
VCC increasing
-
2.6
2.9
V
VPOR ON
Power-on-reset threshold
VCC decreasing
2.00
2.3
-
V
VPOR hyst
Power-on-reset hysteresis
VPOR OFF -VPOR ON
-0.11
-
V
Register 7
UV
1
0
VS
VSUV ON
VSUV OFF
Register 7
OV
1
0
VS
VSOV OFF
VSOV ON
Table 10.
Reference current output
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VREF
Reference voltage range
IREF = -200 A
1.05
1.25
1.45
V
IREFshorted
Reference current
threshold shorted pin REF
register6 bit7 RERR = 1
-
-
-250
A
IREFopen
Reference current
threshold open pin REF
register6 bit7 RERR = 1
-150
-
-
A



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40


데이터시트 다운로드

Go To PDF Page


링크 URL



ALLDATASHEET 가 귀하에 도움이 되셨나요?  [ DONATE ] 

Alldatasheet는?   |   광고문의   |   운영자에게 연락하기   |   개인정보취급방침   |   링크 투 데이터시트    |   링크교환   |   제조사별 검색
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com