ROHM Product Detail

BD87B46FVM-C

車用附看門狗計時器電壓檢測器
Data Sheet 購買

BD87B46FVM-C
車用附看門狗計時器電壓檢測器

Data Sheet 購買
Data Sheet 購買
料號 | BD87B46FVM-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

BD87B46FVM-C整合了監控微控制器輸入電壓的重置(RESET)和監控微控制器時脈訊號的看門狗計時器(WDT)。即使其寬廣的輸入電壓可達20V，靜態電流仍保持低水準，從而能以低電流消耗改善各種系統的冗餘。RESET檢測電壓可透過調整外部電阻來選擇固定型或可變型。此外，RESET延遲時間和看門狗監控時間可透過外部電容進行調整。

Product Detail

Specifications
Functional Safety

Specifications

Under Voltage Detection Voltage [V] (typ.)

4.6

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 (Grade 1)
  • 功能安全支援車用產品
  • 符合車用應用標準
  • 整合型電源啟動和欠電壓檢測重置
  • 整合型看門狗計時器
  • 可透過外部電容調整重置延遲時間和看門狗監控時間
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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