bq24170
bq24172
SLUSAD2A –NOVEMBER 2010–REVISED NOVEMBER 2010
www.ti.com
Q4
RevFET
RAC: 20m
Adapter
Or USB
0.1µ
System
0.1µ
4.7µ
PVCC
BATDRV
SW
ACN
ACP
CMSRC
ACDRV
VREF
RSR: 10m
VBAT
3.3?H
1µ
VREF
VREF
R2
100k
Selectable input
current limit
bq24170
R4
100k
0.1?
0.047?
0.1?
ISET
R3
32.4k
BTST
R5B
8.06k
10?10?
R11
5
R5A
32.4k
ACSET
REGN
ILIM_500mA
1?
AVCC
R6
845k
C1
1µ
PGND
SRP
OVPSET
R7
100k
VREF
TTC
TS
SRN
R8
6.81k
CELL
R10
1.5k
R9
133k
RT
103AT
THERMAL
PAD
STAT
VREF
D3
Figure 3. Typical Application Schematic wth Single Cell Unremovable Battery (USB or adapter with input
OVP 15V, up to 4A charge current, 0.4A pre-charge current, 2A adapter current or 500mA USB current, 5
– 40°C TS, system connected before sense resistor)
6
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