ROHM Product Detail

BD87B28G-C

車電用附看門狗計時器電壓檢測IC
Data Sheet 購買

BD87B28G-C
車電用附看門狗計時器電壓檢測IC

Data Sheet 購買
Data Sheet 購買
料號 | BD87B28G-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

BD87B28G-C整合Reset(重置)和看門狗計時器(WDT)，重置可監測微電腦的輸入電壓，看門狗計時器則可監測微電腦的時脈訊號。即使輸入電壓高達20V，也能維持低靜態電流，可提升各種系統的冗餘，並降低電流消耗。重置的檢測電壓可依外部電阻，選擇固定型或可變型。此外，重置的延遲時間和看門狗監測時間可依外部電容進行調整。

Product Detail

Specifications
Functional Safety

Specifications

Under Voltage Detection Voltage [V] (typ.)

2.8

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

  • AEC-Q100合格(Grade 1)
  • 支援功能安全汽車產品
  • 車電用合格產品
  • 整合電源ON和欠壓檢測重置功能
  • 整合看門狗計時器
  • 外接電容可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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