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參數(shù)資料
| 型號： | MIC833BM5 |
| 廠商： | MICREL INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 30000 SYSTEM GATE 3.3 VOLT LOGIC CELL AR - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | COMPARATOR, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 35K |
| 代理商： | MIC833BM5 |
MIC833
Micrel
MIC833
6
January 2000
Example Application
The battery charger of Figure 3 uses the MIC833 to detect a
low-battery voltage condition (V
DIS
) and enables a constant-
current source (I
CHG
). Charging current is enabled until a
charged-battery voltage condition (V
CHG
) is detected; at
which time the charging-current source is disabled.
Diode D1 was added to Figure 3 to ensure the disabled
current source does not draw battery current. Whether or not
D1 is required is a function of the output stage of the current
source and how it is disabled.
The circuitry of Figure 3 is deliberately generalized to imply
flexibility of application. Depending on the application, it may
not be possibly to power the MIC833 from the charger supply
voltage, see Note 2. It may be necessary to provide a
separate voltage regulator, or a resistive voltage divider to
reduce the VDD applied to the MIC833. The part can be
supplied by the battery voltage (V
BAT
) if this voltage is never
lower than 1.5V, the minimum operating V
DD
of the part.
Voltage thresholds, V
DIS
and V
CHG
, are programmed as
described in the appropriate above paragraph.
VDD
LTH
HTH
R4
100k
Battery
V
(to load)
D1
Note 1
Note 2
Constant-Current
Source
IN
V
DIS
R2
R3
V
CHG
MIC833
0.1
μ
F
OUT
GND
OUT
GND
EN
Charger
Supply
Voltage
Note 1.
D1 may not be required.
It is shown here to
indicate the disabled
current source should
not load the battery.
Note 2.
V
of the MIC833 is
limited to 5.5V maximum.
The part can be powered
by V
if the battery is
never discharged below
V
DD(min)
= 1.5V
Figure 3. Battery Charger
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MIC833BM5 TR | 功能描述:IC COMPARATOR LATCH REF SOT23-5 RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:IttyBitty® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:通用 元件數(shù):1 輸出類型:CMOS，推挽式，滿擺幅，TTL 電壓 - 電源，單路/雙路(±):2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V 電壓 - 輸入偏移（最小值）:5mV @ 5.5V 電流 - 輸入偏壓（最小值）:1pA @ 5.5V 電流 - 輸出（標準）:- 電流 - 靜態(tài)（最大值）:24µA CMRR, PSRR（標準）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:450ns 磁滯:±3mV 工作溫度:-40°C ~ 85°C 封裝/外殼:6-WFBGA，CSPBGA 安裝類型:表面貼裝 包裝:管件 其它名稱:Q3554586 |
| MIC833BM5TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC833YM5 TR | 功能描述:校驗器 IC 1 A Undervoltage Comparator with 1.5% 1.24V Reference, Adjustable Hysteresis, Open-Drain Output in SOT23-5 (Lead Free) 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 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MIC833YM5TR | 制造商:Micrel Inc 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC833YM5-TR | 功能描述:Comparator with Voltage Reference Open Drain SOT-23-5 制造商:microchip technology 系列:IttyBitty? 包裝:剪切帶（CT） 零件狀態(tài):有效 類型:帶電壓基準 元件數(shù):2 輸出類型:開路漏極 電壓 - 電源，單/雙（±）:1.5 V ~ 5.5 V 電壓 - 輸入失調（最大值）:- 電流 - 輸入偏置（最大值）:- 電流 - 輸出（典型值）:20mA 電流 - 靜態(tài)（最大值）:- CMRR，PSRR（典型值）:- 傳播延遲（最大值）:5μs 滯后:- 工作溫度:-40°C ~ 85°C 封裝/外殼:SC-74A，SOT-753 安裝類型:表面貼裝 供應商器件封裝:SOT-23-5 標準包裝:1 |
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