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参数资料
型号： TPS386060RGPT
厂商： TEXAS INSTRUMENTS INC
元件分类： 电源管理
英文描述： 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
封装： 4 X 4 MM, PLASTIC, QFN-20
文件页数： 6/31页
文件大小： 681K
代理商： TPS386060RGPT
TPS386000, TPS386020
TPS386040, TPS386060
SBVS105B
– SEPTEMBER 2009 – REVISED MARCH 2011
www.ti.com
GENERAL DESCRIPTION
user-configurable delay time after the event of reset
The TPS3860x0 multi-channel supervisory device
release (see the Reset Delay Time section). Each
family combines four complete SVS function sets into
SENSEm (m = 1, 2, 3, 4L) pin can be set to any
one IC, along with a watchdog timer, a window
voltage threshold above 0.4V using an external
comparator, and negative voltage sensing. The
resistor divider. The SENSE4H pin can be used for
design of each SVS channel is based on the
any overvoltage detection greater than 0.4V, or for
single-channel supervisory device series, TPS3808.
negative voltage detection using an external resistor
The TPS3860x0 is designed to assert RESETn or
divider (see the Sensing Voltage Less Than 0.4V
RESETn signals, as shown in Table 1, Table 2,
section). A broad range of voltage threshold and
Table 3, and Table 4. The RESETn or RESETn
reset delay time adjustments can be supported,
outputs
remain
asserted
during
a
allowing these devices to be used in a wide array of
applications.
Table 1. SVS-1 Truth Table
OUTPUT
TPS386000
TPS386020
CONDITION
TPS386040
TPS386060
STATUS
MR = Low
SENSE1
< VITN
RESET1 = Low
RESET1 = High
Reset asserted
MR = Low
SENSE1
> VITN
RESET1 = Low
RESET1 = High
Reset asserted
MR = High
SENSE1
< VITN
RESET1 = Low
RESET1 = High
Reset asserted
Reset released after
MR = High
SENSE1
> VITN
RESET1 = High
RESET1 = Low
delay
Table 2. SVS-2 Truth Table
OUTPUT
TPS386000
TPS386020
CONDITION
TPS386040
TPS386060
STATUS
SENSE2
< VITN
RESET2 = Low
RESET2 = High
Reset asserted
SENSE2
> VITN
RESET2 = High
RESET2 = Low
Reset released after delay
Table 3. SVS-3 Truth Table
OUTPUT
TPS386000
TPS386020
CONDITION
TPS386040
TPS386060
STATUS
SENSE3
< VITN
RESET3 = Low
RESET3 = High
Reset asserted
SENSE3
> VITN
RESET3 = High
RESET3 = Low
Reset released after delay
Table 4. SVS-4 Truth Table
OUTPUT
TPS386000
TPS386020
CONDITION
TPS386040
TPS386060
STATUS
SENSE4L
< VITN
SENSE4H
> VITP
RESET4 = Low
RESET4 = High
Reset asserted
SENSE4L
< VITN
SENSE4H
< VITP
RESET4 = Low
RESET4 = High
Reset asserted
SENSE4L
> VITN
SENSE4H
> VITP
RESET4 = Low
RESET4 = High
Reset asserted
Reset released after
SENSE4L
> VITN
SENSE4H
< VITP
RESET4 = High
RESET4 = Low
delay
14
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Copyright
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS386000 TPS386020 TPS386040 TPS386060
相关PDF资料
PDF描述
TPS386040RGPR 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
TPS386040RGPT 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
TPS386060RGPR 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
TPS40000DGSTR SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO10
TPS40002DGS SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO10
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