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参数资料
| 型号： | TPS65072TRSLRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PQCC48 |
| 封装： | 6 X 6 MM, 0.4 MM PITCH, PLASTIC, QFN-48 |
| 文件页数： | 43/90页 |
| 文件大小： | 1375K |
| 代理商： | TPS65072TRSLRQ1 |
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SLVSAP7 – JANUARY 2011
www.ti.com
CHGCONFIG3. Register Address: 06h
CHGCONFIG3
B7
B6
B5
B4
B3
B2
B1
BO
Power path
Termination
Disable
Precharge
Charger
Disable
Bit name and function
DPPM
current
Isink at AC
time
active
Isink at USB
threshold1
threshold0
factor1
factor0
Default
0
1
0
1
x
0
Set by signal
Default value loaded by:
UVLO
Read/write
R/W
R
R/W
Bit 7
DISABLE ISINK AT AC (disables an internal current sink from pin AC to GND)
0 = 60 mA current sink enabled when no input voltage at pin AC detected
1 = 60 mA current sink disabled
Bit 6..5
POWER PATH DPPM THRESHOLD1/0:
00 = 3.5 V
01 = 3.75 V
10 = 4.25 V
11 = 4.50 V
Bit 4
PRECHARGE TIME
0 = pre-charge time is 30 min
1 = pre-charge time is 60 min
Bit 3..2
TERMINATION CURRENT FACTOR1/0:
00 = 0.04
01 = 0.1
10 = 0.15
11 = 0.2
Bit 1
CHARGER ACTIVE:
0 = charger is not charging
1 = charger is charging (DPPM or thermal regulation may be active)
Bit 0
DISABLE ISINK AT USB (disables an internal current sink from pin USB to GND)
0 = 60 mA current sink enabled when no input voltage at pin USB detected
1 = 60 mA current sink disabled
Note: There is a current sink on pins AC and USB which is activated when there is no voltage detected at
the pin and Bit7 or Bit0 in CHCONFIG3 are set to 0. This is implemented in order to avoid the pins to
be floating when not connected to a power source. The current sink is disabled automatically as soon
as an input voltage is detected at the pin.
48
Copyright 2011, Texas Instruments Incorporated
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