ROHM Product Detail

BD87B41G-C

車用看門狗計時器型電壓檢測器
Data Sheet 購買

BD87B41G-C
車用看門狗計時器型電壓檢測器

Data Sheet 購買
Data Sheet 購買
料號 | BD87B41G-CTR
狀態 | 推薦品
封裝 | SSOP6
包裝形式 | Taping
單位數量 | 3000
最小包裝數量 | 3000
RoHS | Yes

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Description

BD87B41G-C搭載用於監控微電腦輸入電壓的重置(RESET)和監控微電腦時脈訊號的看門狗計時器(WDT)。即使輸入電壓範圍寬廣，最大可達20V，也保持低靜態電流，有助於提高各種系統的冗餘性並降低電流消耗。RESET偵測電壓可透過外部電阻器選擇固定式或可變式。此外，RESET延遲時間和看門狗監控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.)

4.1

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

2.9x2.8 (t=1.25)

Common Standard

AEC-Q100 (Automotive Grade)

Features

  • 符合AEC-Q100標準 (Grade 1)
  • 支援功能安全的車用產品
  • 通過車用應用認證
  • 整合電源開啟與欠壓偵測重置
  • 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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