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BQ2002GSN 数据表(PDF) 3 Page - Texas Instruments

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部件名 BQ2002GSN
功能描述  NiCd/NiMH Fast-Charge Management ICs
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

BQ2002GSN 数据表(HTML) 3 Page - Texas Instruments

  BQ2002GSN Datasheet HTML 1Page - Texas Instruments BQ2002GSN Datasheet HTML 2Page - Texas Instruments BQ2002GSN Datasheet HTML 3Page - Texas Instruments BQ2002GSN Datasheet HTML 4Page - Texas Instruments BQ2002GSN Datasheet HTML 5Page - Texas Instruments BQ2002GSN Datasheet HTML 6Page - Texas Instruments BQ2002GSN Datasheet HTML 7Page - Texas Instruments BQ2002GSN Datasheet HTML 8Page - Texas Instruments BQ2002GSN Datasheet HTML 9Page - Texas Instruments Next Button
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background image
3
bq2002E/G
OSC
TM
CC
LED
VCC
VSS
BAT
INH
Clock
Phase
Generator
Timing
Control
Sample
History
A to D
Converter
MCV
Check
Power
Down
TS
Bd2002CEG.eps
Voltage
Reference
Power-On
Reset
TCO
Check
HTF
Check
LBAT
Check
Charge-Control
State Machine
PVD, - V
ALU
Figure 3. Block Diagram
Chip on
VCC
4.0V
Battery Voltage
too High?
Battery
Temperature?
Charge
Pending
Fast
LED =
Low
SD2002C.eps
Battery Voltage
too Low?
VBAT < 2V
VTS < 0.6
VBAT > 0.175
VBAT < 2V, and
VTS > VCC/2
VBAT > 2V
Top-off
LED = Z
Trickle
LED =
Flash
Trickle
LED = Z
VBAT > 2V
VBAT
2V
VCC
VTS > 0.6 VCC
VCC,
0.175 VCC < VBAT
VCC
VBAT < 0.175
VBAT > 2V or
VTS < VCC/2 or
((PVD or - V or
Maximum Time Out)
and TM
Low)
VBAT
VTS
Maximum Time Out
2V or
VCC/2 or
(PVD or -
Maximum Time Out)
and TM = Low
V or
Figure 2. State Diagram



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