Zakładka z wyszukiwarką danych komponentów
  Polish  ▼
ALLDATASHEET.PL

X  

Preview PDF HTML

SC810 Arkusz danych(PDF) 11 Page - Semtech Corporation

Numer części SC810
Szczegółowy opis  Single Input/Single Mode Single-cell Li-ion Charger
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Producent  SEMTECH [Semtech Corporation]
Strona internetowa  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC810 Arkusz danych(HTML) 11 Page - Semtech Corporation

Back Button SC810 Datasheet HTML 7Page - Semtech Corporation SC810 Datasheet HTML 8Page - Semtech Corporation SC810 Datasheet HTML 9Page - Semtech Corporation SC810 Datasheet HTML 10Page - Semtech Corporation SC810 Datasheet HTML 11Page - Semtech Corporation SC810 Datasheet HTML 12Page - Semtech Corporation SC810 Datasheet HTML 13Page - Semtech Corporation SC810 Datasheet HTML 14Page - Semtech Corporation SC810 Datasheet HTML 15Page - Semtech Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 11 / 20 page
background image
SC810
11
Applications Information (continued)
Pre-charge Mode
This mode is automatically enabled when the battery
voltage is below the pre-charge threshold voltage (VT
PreQ),
typically 2.9V. Pre-charge current conditions the battery
for fast charging. The pre-charge current value is fixed at
20% nominally of the fast-charge current for the selected
input, as programmed by the resistance between IPRGM
and GND.
Pre-charge current regulation accuracy is dominated by
offset error. The range of expected pre-charge output
current versus programming resistance is shown in
Figures 2a and 2b. The figures show the nominal pre-
charge current versus nominal R
IPRGM
resistance as the
center plot and two theoretical limit plots indicating
maximum and minimum current versus nominal pro-
gramming resistance. These plots are derived from
models of the expected worst-case contribution of error
sources depending on programmed current. The current
range includes the uncertainty due to 1% tolerance resis-
tors. The dots on each plot indicate the currents obtained
with the EIA E96 standard value 1% tolerance resistors.
22.5
33.5
44.5
55.5
66.5
7
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
R
IPRGM
(kΩ), R-tol = 1%
Figure 1a — Fast-charge Current Tolerance versus
Programming Resistance, Low Resistance Range
7
8
9
10
11121314
15161718
19202122
232425
26272829
50
75
100
125
150
175
200
225
250
275
300
325
R
IPRGM
(kΩ), R-tol = 1%
Figure 1b — Fast-charge Current Tolerance versus
Programming Resistance, High Resistance Range
22.5
33.5
44.5
55.5
66.5
7
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
R
IPRGM
(kΩ), R-tol = 1%
Figure 2a — Pre-charge Current Tolerance versus
Programming Resistance, Low Resistance Range
7
8
9
10
11121314
15161718
19202122
232425
26272829
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
R
IPRGM
(kΩ), R-tol = 1%
Figure 2b — Pre-charge Current Tolerance versus
Programming Resistance, High Resistance Range



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20


Arkusz danych Pobierz

Go To PDF Page


Link URL



Czy Alldatasheet okazała się pomocna?  [ DONATE ] 

O Alldatasheet   |   Reklama   |   Kontakt   |   Polityka prywatności   |   Link do karty katalogowej    |   Linki   |   Lista producentów
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