參數(shù)資料
型號(hào)： TPS3610U18PWR
廠商： Texas Instruments, Inc.
英文描述： BATTERY-BACKUP SUPERVISORS FOR RAM RETENTION
中文描述： 電池備份的RAM保持監(jiān)事
文件頁(yè)數(shù)： 2/22頁(yè)
文件大?。?/td> 453K
代理商： TPS3610U18PWR
SLVS327B
–
DECEMBER 2000
–
REVISED DECEMBER 2002
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description
The TPS3610 family of supervisory circuits monitors and controls processor activity by providing backup-battery
switchover for data retention of CMOS RAM. Other features include an additional power-fail comparator,
low-line indication, watchdog function, battery-status indicator, manual switchover, and write protection for
CMOS RAM.
The TPS3610 family allow usage of 3-V or 3.6-V lithium batteries as the backup supply in systems with, e.g.,
V
DD
= 1.8 V. During power-on, RESET is asserted when the supply voltage (V
DD
or V
BAT
) becomes higher than
1.1 V. Thereafter, the supply-voltage supervisor monitors V
DD
and keeps RESET output active as long as V
DD
remains below the threshold voltage V
IT
. An internal timer delays the return of the output to the inactive state
(high) to ensure proper system reset. The delay time starts after V
DD
has risen above the threshold voltage V
IT
.
When the supply voltage drops below the threshold voltage V
IT
, the output becomes active (low) again.
The product spectrum is designed for supply voltages of 1.8 V and 5 V. The circuits are available in a 14-pin
TSSOP package. TPS3610 devices are characterized for operation over a temperature range of
–
40
°
C to 85
°
C.
standard and application-specific versions (see Note 1)
Tape and Reel
TI Package Designator
Nominal Supply Voltage
Nominal Battok Threshold Voltage
R
PW
18
TPS3610U
APPLICATION-SPECIFIC VERSIONS,
NOMINAL SUPPLY AND BATTOK VOLTAGE
TA
NOMINAL SUPPLY
VOLTAGE, VDD(NOM)
(V)
1.8
5
NOMINAL BATTOK
THRESHOLD VOLTAGE,
VIT(BOK) (V)
1.6
2.4
PACKAGED DEVICES
TSSOP (PW)
–
40
°
C to 85
°
C
TPS3610U18PWR
TPS3610T50PWR
The PW package is only available taped and reeled (indicated by the R suffix on the device type).
NOTE 1: For other NOMINAL and BATTOK voltage versions, contact your local TI sales office for availability and order lead time.
相關(guān)PDF資料
PDF描述
TPS3617 BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3618 BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3618-50DGKR BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3801J25DCK ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3801 Ultra-Small Supply Voltage Supervisors(超小電源電壓監(jiān)控器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS3610U18PWRG4 功能描述:監(jiān)控電路 Battery-Backup for RAM Retention RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TPS3610U25PWR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
TPS3610U30PWR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
TPS3610U33PWR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
TPS3610U50 制造商:TI 制造商全稱:Texas Instruments 功能描述:BATTERY-BACKUP SUPERVISORS FOR RAM RETENTION
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