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BQ2005 Datasheet(PDF) 9 Page - Texas Instruments

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Part # BQ2005
Description  Fast- Charge IC for Dual-Bat tery Packs
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ2005 Datasheet(HTML) 9 Page - Texas Instruments

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9
Absolute Maximum Ratings
Symbol
Parameter
Minimum
Maximum
Unit
Notes
VCC
VCC relative to VSS
-0.3
+7.0
V
VT
DC voltage applied on any pin ex-
cluding VCC relative to VSS
-0.3
+7.0
V
TOPR
Operating ambient temperature
-20
+70
°C
Commercial
TSTG
Storage temperature
-55
+125
°C
TSOLDER
Soldering temperature
-
+260
°C
10s max.
TBIAS
Temperature under bias
-40
+85
°C
Note:
Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Functional opera-
tion should be limited to the Recommended DC Operating Conditions detailed in this data sheet. Expo-
sure to conditions beyond the operational limits for extended periods of time may affect device reliability.
DC Thresholds (TA =TOPR;VCC ±10%)
Symbol
Parameter
Rating
Tolerance
Unit
Notes
VSNSHI
High threshold at SNSA,B
resulting in MODA,B = Low
0.05 * VCC
±0.025
V
VSNSLO
Low threshold at SNSA,B re-
sulting in MODA,B = High
0.04 * VCC
±0.010
V
VLTF
Low-temperature fault
0.4 * VCC
±0.030
V
VTEMP
≥ VLTF inhibits/
terminates charge
VHTF
High-temperature fault
(1/4 * VLTF) + (3/4 * VTCO)
±0.030
V
VTEMP
≤ VHTF inhibits
charge
VEDV
End-of-discharge voltage
0.475 * VCC
±0.030
V
VCELL <VEDV inhibits
fast charge
VMCV
Maximum cell voltage
0.95 * VCC
±0.030
V
VCELL >VMCV inhibits/
terminates charge
VTHERM
TS input change for
∆T/∆t
detection
16
±4
mV
-
∆V
BAT input change for -
∆V
detection
12
±4
mV
bq2005


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