ROHM Product Detail

BD37B34FVM-C

車電用附看門狗計時器電壓檢測器
Data Sheet 購買

BD37B34FVM-C
車電用附看門狗計時器電壓檢測器

Data Sheet 購買
Data Sheet 購買
料號 | BD37B34FVM-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

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Description

BD37B34FVM-C整合了用於監測微控制器輸入電壓的重置(RESET)功能，以及監測微控制器時脈訊號的看門狗計時器(WDT)。即使在20V的寬輸入電壓範圍內，靜態電流也能保持低功耗，從而能夠以低電流消耗提高各種系統的冗餘。RESET檢測電壓可透過外部電阻器調整，選擇固定型或可變型。此外，RESET延遲時間和看門狗監測時間可透過外部電容器進行調整。

Product Detail

Specifications
Functional Safety

Specifications

Under Voltage Detection Voltage [V] (typ.)

3.4

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)

Features

  • AEC-Q100 合格 (等級1)
  • 功能安全支援車用產品
  • 適用於汽車應用
  • 整合電源開啟與欠壓偵測重置功能
  • 整合看門狗計時器
  • 可透過外部電容器調整重置延遲時間和看門狗監測時間
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.
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