BQ26501_16 Datasheet, PDF (5/33 Pages) Texas Instruments – HANDHELD APPLICATIONS

PACK+
HDQ
PACK−
Not Recommended For New Designs
bq26501
ą
SLUS586B − OCTOBER 2003 − REVISED MARCH 2004
ESD Protection
R4
100 Ω
R3
100 Ω
Autocalibration and
Autocompensating
VFCD1
5.6 V
R5
1 MΩ
1 RBI
GPIO 8
C4
0.1 µF bq26501
2 VCC
C3
0.1 µF
3 VSS
SRP 7
SRN 6
4 HDQ
BAT 5
Protection
Controller
+
R1
100 kΩ
Li-Ion
or
Li-Pol
C1
0.1 µF
R2
100 kΩ
C2
0.1 µF
RS
0.02Ω
Figure 2. Typical Application Circuit
Battery Pack
UDG−03041
VCC 2
Bandgap
Reference and
Bias
Temperature
Compensated
Precision Oscillator
Clock
Generator
EEPROM
SRP 7
SRN 6
BAT 5
Autocalibrating and
Autocompensating
VFC
Temperature
Sensor
SCPU
ADC
RAM
Figure 3. Functional Block Diagram
System I/O
and Control
4 HDQ
8 GPIO
1 RBI
3 VSS
UDG−03040
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