車電用 多輸入監控LSI - BD3378MUV-M

BD3378MUV-M是22通道的開關輸入監測LSI。其作用是監測各通道所連接的機械開關的狀態變化、使MCU產生中斷。使用序列介面讀取中斷因素並寫入內部寄存器。22通道的開關輸入分為VPUB、VPUA兩種電源系統,可按電池系統和電源控制系統分類使用。動作模式備有常規模式和睡眠模式兩種。各模式可透過設定寄存器,使用開關端子連續監測設定和間歇監測設定。使用間歇監測設定時是以固定週期監測開關狀態變化,可降低功耗。而且,透過使用各種電源系統時序動作和全部開關統一時序動作設定,還能實現低雜訊動作。

料號 | BD3378MUV-ME2
狀態 | 推薦品
封裝 | VQFN48MCV070
單位數量 | 1500
最小包裝數量 | 1500
包裝形式 | Taping
RoHS | Yes
Functional Safety | FS supportive

規格:

Common Standard

AEC-Q100 (Automotive Grade)

Fully Functional Voltage(Min.)[V]

6.0

Fully Functional Voltage(Max.)[V]

28.0

VDDI Supply Voltage(Min.)[V]

3.1

VDDI Supply Voltage(Max.)[V]

5.25

Switch Input Number

22

Switch Input Voltage(Min.)[V]

-14.0

Switch Input Voltage(Max.)[V]

40.0

Wetting Current (Min)

1mA, 3mA, 5mA, 10mA, 15mA

Wetting Current Type

Pull up / Pull down

Intermittent Monitoring Current [µA]

100

Control Interface

SPI

Clock Frequency (Max)[MHz]

4.4

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

功能:

  • AEC-Q100 Qualified(Grade 1)
  • Uses 3.3V/5.0V SPI Protocol in Communicating with the MCU
  • Serial Communication Error Checking through 8bit-CRC
  • Thermal Shutdown Protection (TSD)
  • Power on Reset (POR)
  • Selectable Source/Sink Current Levels through Register Settings
  • Wetting Current Timer Capability
  • 8 Source or Sink Input Pins (VPUA)
  • 14 Source Input Pins
  • Separable Power Supply VPUA: 16ch (INA&INZ), VPUB: 6ch (INB)
  • Interrupt Notification upon Switch Status Change
  • 1 Time to 6 Times Matched LPF that Eliminates Input Pin Noise
  • Low Current Consumption (Intermittent Monitoring)
  • Status Display of Selected Pin at DMUX Pin