參數(shù)資料
型號： TC1041CEOA
廠商： Microchip Technology Inc.
英文描述： Linear Building Block . Dual Low Power Comparator and Voltage Reference with Programmable Hysteresis
中文描述： 線性積木。雙低功率比較器和可編程參考電壓遲滯
文件頁數(shù)： 5/14頁
文件大?。?/td> 443K
代理商： TC1041CEOA
2002 Microchip Technology Inc.
DS21346B-page 5
TC1041
4.0
TYPICAL APPLICATIONS
The
applications, particularly in battery powered systems. It
typically finds application in power management,
processor supervisory and interface circuitry.
TC1041
lends
itself
to
a
wide
variety
of
4.1
Precision Battery Monitor
Figure 4-1 is a precision battery low/battery dead
monitoring circuit. Typically, the battery low output
warns the user that a battery dead condition is
imminent. Battery dead typically initiates a forced
shutdown to prevent operation at low internal supply
voltages (which can cause unstable system operation).
The circuit in Figure 4-1 uses a TC1034, a TC1041 and
only six external resistors. AMP 1 is a simple buffer
while CMPTR1 and CMPTR2 provide precision voltage
detection using V
REF
as a reference. Resistors R2 and
R4 set the detection threshold for BATT LOW while
Resistors R1 and R3 set the detection threshold for
BATT FAIL. The component values shown assert
BATT LOW at 2.2V (typical) and BATT FAIL at 2.0V
(typical). Total current consumed by this circuit is
typically 16
μ
A at 3V. Resistors R5 and R6 provide
hysteresis of 116mV for both comparators.
FIGURE 4-1:
PRECISION BATTERY MONITOR
V
DD
V
DD
V
DD
R2, 430k, 1%
R4, 470k, 1%
R3, 470k, 1%
R1, 300k, 1%
V
REF
To System DC/DC
Converter
3V
Alkaline
TC1041
BATTFAIL
BATTLOW
CMPTR1
–
+
CMPTR2
+
–
AMP1
–
+
+
TC1034
TC1041
TC1041
HYST
51k
R6
R5
1M
相關(guān)PDF資料
PDF描述
TC1041 Linear Building Block . Dual Low Power Comparator and Voltage Reference with Programmable Hysteresis
TC1041CEUA Linear Building Block . Dual Low Power Comparator and Voltage Reference with Programmable Hysteresis
TC1043 Linear Building Block . Low Power Voltage Reference with Dual Op Amp, Dual Comparator, and Shutdown Mode
TC1043CEQR Linear Building Block . Low Power Voltage Reference with Dual Op Amp, Dual Comparator, and Shutdown Mode
TC1046 High Precision Temperature-to-Voltage Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC1041CEOATR 功能描述:校驗器 IC Dual Lw Pwr & VR Hys RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
TC1041CEUA 功能描述:校驗器 IC Dual Lw Pwr & VR Hys RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
TC1041CEUATR 功能描述:校驗器 IC Dual Lw Pwr & VR Hys RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
TC1043 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Linear Building Block . Low Power Voltage Reference with Dual Op Amp, Dual Comparator, and Shutdown Mode
TC1043CEQR 功能描述:校驗器 IC VR/Op-Amp/Shtdwn RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
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