BQ2145 Datasheet, PDF (3/7 Pages) Texas Instruments – Smart Battery Module with LEDs

Preliminary bq2145
Table 1. bq2145 Module Configuration
Customer Name: ______________________________________________________________________________________________
Contact: _______________________________________________________
Phone:____________________________
Address:________________________________________________________________________________________________
Sales Contact: __________________________________________________
Phone: ____________________________
Board Configuration
LEDs and switch
Display mode
Discharge rate (3.0A max.)
Duration at max. discharge
Number of series cells
________________
________________
Min ____________
________________
________________
Yes or No
Relative or Absolute
Avg ____________
Max ___________
EEPROM Configuration
Typical Values
NiMH Li-Ion
Remaining time alarm (min) _______________ Sets the low time alarm level
10 min 10 min
Remaining capacity alarm _______________ Sets the low capacity alarm level
(mAh)
C/10
C/10
Charging voltage (mV)
_______________ Sets the requested charging voltage
65535 4.1V/cell
Design cpaacity (mAh)
_______________ Defines the battery pack capacity
3000
3600
Design voltage (mV)
_______________ Defines the battery pack voltage
12000 10800
Manufacturer date
_______________ Battery pack manufacturer date
mm/dd/yy mm/dd/yy
Serial number
_______________ Battery pack serial number
0-65535 0-65535
Fast-charging current (mA) _______________ Sets the requested charging current
1C
1C
Maintenance charging
Sets the requested maintenance charging
current (mA)
_______________ current
C/20
0
Li-Ion taper current (mA) _______________ Sets the upper limit for charge termination NA
C/10
Maximum overcharge (mAh) _______________ Sets the maximum amount of overcharge 256mAh 128mAh
Maximum temperature (°C) _______________ Sets the maximum charge temperature
61°C
61°C
∆T/∆t (°C/min)
_______________ Sets the termination rate
3°C/3min 4.6°C/20s
Fast-charge efficiency (%) _______________ Sets the fast-charge efficiency factor
95%
100%
Maintenance charge effi- _______________ Sets the maintence charge efficiency factor 80%
ciency (%)
100%
Self-discharge rate (%/day) _______________ Sets the batterys self-discharge rate
1.5%/day 0.2%/day
EDV1 (mV)
_______________ Sets the initial end-of-discharge warning 1.05V/cell 3.0V/cell
EDVF (mV)
_______________ Sets the final end-of-discharge warning
1.0V/cell 2.8V/cell
Hold-off timer for ∆T/∆t (sec.) _______________ Sets the hold off period for ∆T/∆t
termination
180s
320s
Manufacturer name
_______________ Programs manufacturer’s name (11 char.
max)
bq
bq
Device name
_______________ Programs device name (7 char. max)
bq36
bq202
Chemistry
_______________ Programs pack’s chemistry (7 char. max)
NiMH
LION
Manufacturer data
_______________ Open field (5 char. max)
2040
2040
FAE Approval
____________________________________
Date: ____________
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