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MC33978AAE中文資料恩智浦?jǐn)?shù)據(jù)手冊PDF規(guī)格書
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廠商型號 |
MC33978AAE |
功能描述 | 22 channel multiple switch detection interface with programmable wetting current |
絲印標(biāo)識 | |
封裝外殼 | LQFP-EP |
文件大小 |
2.08605 Mbytes |
頁面數(shù)量 |
68 頁 |
生產(chǎn)廠商 | NXP Semiconductors |
企業(yè)簡稱 |
nxp【恩智浦】 |
中文名稱 | 恩智浦半導(dǎo)體公司官網(wǎng) |
原廠標(biāo)識 | ![]() |
數(shù)據(jù)手冊 | |
更新時間 | 2025-2-28 17:48:00 |
人工找貨 | MC33978AAE價格和庫存,歡迎聯(lián)系客服免費人工找貨 |
MC33978AAE規(guī)格書詳情
The 33978 is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). This SMARTMOS device also features a 24-to-1 analog multiplexer for reading the input channels as analog inputs. The analog selected input signal is buffered and provided on the AMUX output pin for the MCU to read.
Independent programmable wetting currents are available as needed for the application. A battery and temperature monitor are included in the IC and available via the AMUX pin.
The 33978 device has two modes of operation, Normal and Low-power mode (LPM). Normal mode allows programming of the device and supplies switch contacts with pull-up or pull-down current as it monitors the change of state on the switches. The LPM provides low quiescent current, which makes the 33978 ideal for automotive and industrial products requiring low sleep-state currents.
Features
?Fully functional operation 4.5 V ≤ VBATP ≤ 36 V
?Full parametric operation 6.0 V ≤ VBATP ≤ 28 V
?Operating switch input voltage range from -1.0 V to 36 V
?Eight programmable inputs (switches to battery or ground)
?14 switch-to-ground inputs
?Selectable wetting current (2, 6, 8, 10, 12, 14, 16, or 20 mA)
?Interfaces directly to an MCU using 3.3 V / 5.0 V SPI protocol
?Selectable wake-up on change of state
?Typical standby current IBATP = 30 μA and IDDQ = 10 μA
?Active interrupt (INT_B) on change-of-switch state
?Integrated battery and temperature sensing
Applications
?Automotive
?Heating ventilation and air conditioning (HVAC)
?Lighting
?Central gateway/in-vehicle networking
?Gasoline engine management
?Industrial
?Programmable logic control (PLC)
?Process control, temperature control
?Input-output control (I/O Control)
?Single board computer
?Ethernet switch
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
NXP(恩智浦) |
23+ |
SOIC-32_EP |
9865 |
原裝正品,假一賠十 |
詢價 | ||
FREESCALE |
23+ |
NA/ |
990 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
NXP(恩智浦) |
23+ |
NA/ |
7350 |
現(xiàn)貨供應(yīng),當(dāng)天可交貨!免費送樣,原廠技術(shù)支持!!! |
詢價 | ||
FREESCALE |
2223+ |
SSOP |
26800 |
只做原裝正品假一賠十為客戶做到零風(fēng)險 |
詢價 | ||
FREESCALE |
24+ |
SSOP32 |
880000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價 | ||
NXP |
SOIC-32 |
893993 |
集團(tuán)化配單-有更多數(shù)量-免費送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價 | |||
NXP |
22+ |
32SOIC EP |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢價 | ||
FREESCA |
SOP |
68900 |
原包原標(biāo)簽100%進(jìn)口原裝常備現(xiàn)貨! |
詢價 | |||
NXP |
24+ |
SOIC-32 |
5000 |
十年沉淀唯有原裝 |
詢價 | ||
NXP |
17+ |
SOIC-32 |
13684 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 |