Moteur de recherche de fiches techniques de composants électroniques
  French  ▼

Delete All
ON OFF
ALLDATASHEET.FR

X  

Preview PDF Download HTML

BQ78412 Fiches technique(PDF) 2 Page - Texas Instruments

Click here to check the latest version.
No de pièce BQ78412
Description  Pb-Acid Battery State-of-Charge Indicator With Run-Time Display
Download  36 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

BQ78412 Fiches technique(HTML) 2 Page - Texas Instruments

  BQ78412 Datasheet HTML 1Page - Texas Instruments BQ78412 Datasheet HTML 2Page - Texas Instruments BQ78412 Datasheet HTML 3Page - Texas Instruments BQ78412 Datasheet HTML 4Page - Texas Instruments BQ78412 Datasheet HTML 5Page - Texas Instruments BQ78412 Datasheet HTML 6Page - Texas Instruments BQ78412 Datasheet HTML 7Page - Texas Instruments BQ78412 Datasheet HTML 8Page - Texas Instruments BQ78412 Datasheet HTML 9Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 36 page
background image
bq78412
SLUSAA0 – OCTOBER 2010
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
(1)
VALUE
PARAMETER
UNITS
MIN
MAX
Voltage applied to VBAT+
–0.3
30
V
Voltage applied to VS
–0.3
26
V
Differential (VRS+– VRS–)
–26
26
V
Voltage applied to
RS+, RS–
Common mode (VRS+, VRS–)
–0.3
26
V
Voltage applied to AVDD and DVDD
–0.3
4.1
V
Voltage applied to other pins(2)
–0.3
VVDD+0.3
V
Diode current at any device terminal
–2
2
mA
(1)
Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may
degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those specified is not implied.
(2)
VDD refers to voltage on DVDD and AVDD pins.
RECOMMENDED OPERATING CONDITIONS
MIN
TYP
MAX
UNITS
Supply voltage
VBAT+
4
12
26
V
Operating temperature
–40
85
°C
Battery capacity
150
327
Ahr
Current measurement, average
–100
100
A
Current measurement, peak
–320
300
A
MEASUREMENT ACCURACY (12-V Battery)
PARAMETER
MIN
TYP
MAX
UNIT
Battery voltage measurement(1)
±0.5%
±1%
Shunt voltage measurement(2)
±0.5%
±1%
Temperature measurement(3)
±1
°C
Timing accuracy of internal clock(4)
–2.5%
2.5%
Run-time-to-empty (RTTE)(5)
±15
min
(1)
Specified at 12 V.
(2)
Specified at full scale.
(3)
Offset calibration of the temperature takes place prior to this measurement
(4)
Calibrated clock frequency, tolerance over temperature 0°C to +85°C
(5)
Capacity learning is done prior to this.
UART COMMUNICATIONS PORT TIMING
MIN
TYP
MAX
UNITS
Data rate
9600 or
Baud
1200
Command response time(1)
100
ms
Transmit intercharacter interval(2)
4
ms
(1)
Maximum time from host transmission of last command byte to first response by the device.
(2)
Maximum time interval between start bits for data or response being transmitted from the device.
2
Submit Documentation Feedback
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): bq78412


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 


Fiches technique Télécharger

Go To PDF Page


Lien URL




Politique de confidentialité
ALLDATASHEET.FR
ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Echange de liens   |   Fabricants
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