参数资料
型号: TPS2115PW
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封装: GREEN, PLASTIC, TSSOP-8
文件页数: 7/22页
文件大小: 503K
代理商: TPS2115PW
www.ti.com
APPLICATION INFORMATION
STAT
D0
D1
ILIM
IN1
OUT
IN2
GND
1
2
3
4
8
7
6
5
TPS2115PW
0.1
F
C2
0.1
F
CL
RL
IN1: 2.8 - 5.5 V
IN2: 2.8 - 5.5 V
RILIM
NC
Switch Status
R1
STAT
D0
D1
ILIM
IN1
OUT
IN2
GND
1
2
3
4
8
7
6
5
TPS2115PW
0.1
F
0.1
F
CL
RL
IN1: 2.8 - 5.5 V
IN2: 2.8 - 5.5 V
RILIM
Switch Status
R1
TPS2114
TPS2115
SLVS447A – DECEMBER 2002 – REVISED MARCH 2004
The circuit in Figure 13 allows one or two battery packs to power a system. Two battery packs allow a longer run
time. The TPS2114/5 cycles between the battery packs until both packs are drained.
Figure 13. Running a System From Two Battery Packs
In Figure 14, the multiplexer selects between two power supplies based upon the D1 logic signal. OUT connects
to IN1 if D1 is logic 1, otherwise OUT connects to IN2. The logic thresholds for the D1 terminal are compatible
with both TTL and CMOS logic.
Figure 14. Manually Switching Power Sources
15
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