ROHM Product Detail

BD87B00FVM-C
車用附看門狗計時器電壓檢測器

BD87B00FVM-C整合了監測微電腦輸入電壓的重置(RESET)和監測微電腦時脈訊號的看門狗計時器(WDT)。即使輸入電壓高達20V,其靜態電流仍能保持在低水平,因此能透過降低電流消耗來提高各種系統的備援。重置檢測電壓可透過調整外部電阻來選擇固定或可變類型。此外,重置延遲時間和看門狗監測時間可透過外部電容進行調整。

Product Detail

 
料號 | BD87B00FVM-CTR
狀態 | 推薦品
封裝 | MSOP8
包裝形式 | Taping
單位數量 | 3000
最小包裝數量 | 3000
RoHS | Yes

功能安全:

類別 : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.

規格:

VDET Precision [%]

±2.0

Reset Active Voltage Range [V]

2 to 20

Output Types

Open drain

Reset Active State

Low

Manual Reset

No

Watchdog Timer

Yes

SENSE Pin

No

Auto Motive

Yes

Circuit Current (ON) [µA]

4.5

Circuit Current (OFF) [µA]

3

Hysteresis Voltage [V]

VDET×0.036

WDT Active Voltage Range [V]

VDET+VRHY to 20

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size

4.0x2.9 (t=0.9)

Common Standard

AEC-Q100 (Automotive Grade)

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功能:

  • AEC-Q100 合格 (Grade 1)
  • 功能安全支援車用產品
  • 符合車電應用要求
  • 整合電源開啟和欠壓檢測重置功能
  • 整合看門狗計時器
  • 透過外部電容調整重置延遲時間和看門狗監測時間
  • 透過外部電阻調整電源開啟和欠壓檢測重置功能檢測電壓
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