參數(shù)資料
型號(hào)： MAX6785
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level Battery Monitors in Small TDFN and TQFN Packages
中文描述： 低功耗、1%精度、雙/三/四電平電池監(jiān)測(cè)器，采用微型TDFN和TQFN封裝
文件頁(yè)數(shù)： 8/20頁(yè)
文件大小： 665K
代理商： MAX6785
M
Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level
Battery Monitors in Small TDFN and TQFN Packages
8
_______________________________________________________________________________________
Pin Description (continued)
PIN
1
2
3
4
5
NAME
LBL1
LBH1
LBL2
LBH2
GND
FUNCTION
Falling Trip Level Input 1. Connect to an external resistive divider to set the falling trip level.
Rising Trip Level Input 1. Connect to an external resistive divider to set the rising trip level.
Falling Trip Level Input 2. Connect to an external resistive divider to set the falling trip level.
Rising Trip Level Input 2. Connect to an external resistive divider to set the rising trip level.
Ground
6
LBO2
Active-Low, Low-Battery Output 2.
LBO2
asserts when V
LBL2
falls below the falling threshold voltage.
LBO2
deasserts when V
LBH2
exceeds the rising threshold voltage.
7
LBO1
Active-Low, Low-Battery Output 1.
LBO1
asserts when V
LBL1
falls below the falling threshold voltage.
LBO1
deasserts when V
LBH1
exceeds the rising threshold voltage.
8
BATT
Battery Input. Power supply to the device. For better noise immunity, bypass BATT to GND with a 0.1μF
capacitor as close to the device as possible.
MAX6786/MAX6787/MAX6788
PIN
1
2
3
4
5
NAME
IN1
IN2
IN3
IN4
GND
FUNCTION
Overvoltage Monitor Input 1
Overvoltage Monitor Input 2
Overvoltage Monitor Input 3
Overvoltage Monitor Input 4
Ground
6
CLEAR
Active-Low Clear Input.
OV
and OV do not latch when an overvoltage fault is detected if
CLEAR
is held low.
CLEAR
has an internal pullup resistor to BATT.
7
N.C.
No Connection. Not internally connected.
8
OV
Active-Low Overvoltage Output. When any of the inputs (V
IN_
) exceeds its respective rising threshold
voltage,
OV
asserts and stays asserted until
CLEAR
is pulled low or the power to the device is cycled.
OV
does not latch when an overvoltage fault is detected if
CLEAR
is held low.
9
OV
Active-High Overvoltage Output. Inverse of
OV
.
10
BATT
Battery Input. Power supply to the device. For better noise immunity, bypass BATT to GND with a 0.1μF
capacitor as close to the device as possible.
MAX6789/MAX6790
Detailed Description
The MAX6782–MAX6788 are designed to monitor two
to four battery levels (1% accuracy) and assert an
active-low output indicator when the monitored voltage
level falls below the user-set threshold. Each battery
level is associated with an independent open-drain or
push-pull output. Each of these independent outputs
can be used to provide low battery warnings at differ-
ent voltage levels. Each of these monitored levels offers
fixed or adjustable hysteresis in order to prevent the
output from chattering as the battery recovers from the
lighter loads. The MAX6782–MAX6785 also feature ref-
erence outputs that can source up to 1mA.
The MAX6789/MAX6790 monitor four overvoltage con-
ditions and assert the complementary overvoltage out-
puts when any voltage at the inputs exceeds its
respective threshold. The MAX6789/MAX6790 allow
each trip threshold to be set with external resistors.
These devices also feature a latch and a clear function.
Figures 1, 2, and 3 show the simplified block diagrams
for the MAX6782–MAX6790. See the Selector Guide
相關(guān)PDF資料
PDF描述
MAX6785TC Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level Battery Monitors in Small TDFN and TQFN Packages
MAX6790 Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level Battery Monitors in Small TDFN and TQFN Packages
MAX6791 High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions
MAX6791TP High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions
MAX6792TP High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6785TCA+ 功能描述:電池管理 Triple 1%-Accurate Battery Monitor RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX6785TCA+T 功能描述:電池管理 Triple 1%-Accurate Battery Monitor RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX6785TCB+ 功能描述:電池管理 Triple 1%-Accurate Battery Monitor RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX6785TCB+T 功能描述:電池管理 Triple 1%-Accurate Battery Monitor RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX6785TCC+ 功能描述:電池管理 Triple 1%-Accurate Battery Monitor RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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