BU4214G
Voltage Detector with Adjustable Delay Time

ROHM的低電壓自由延時設定CMOS電壓檢測IC系列,是一採用CMOS製程,並內建高精度與低耗電之延遲電路的CMOS電壓檢測IC系列。可藉由外接電容器設定延遲時間。為了讓客戶在應用上具有更多樣化的選擇,本產品系列備有Nch開汲極輸出與CMOS輸出等2種型式。檢測電壓範圍為0.9V~4.8V,0.1V的電壓增幅。全系列產品均為無鉛且符合RoHS指令。

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
料號 | BU4214G-TR
狀態 | 推薦品
封裝 | SSOP5
單位數量 | 3000
最小包裝數量 | 3000
包裝形式 | Taping
RoHS | Yes

規格:

Under Voltage Detection Voltage [V] (typ.)

1.4

VDET Precision [%]

±1

Reset Active Voltage Range [V]

0.7 to 7

Output Types

Open drain

Reset Delay Timer

Adjustable Delay

Reset Active State

Low

Manual Reset

No

Watchdog Timer

No

Auto Motive

No

Circuit Current (ON) [µA]

0.40(VDET=4.8V)

Circuit Current (OFF) [µA]

0.55(VDET=4.8V)

Hysteresis Voltage [V]

VDET x 0.05

L Output Current (LowVol) [mA]

3.3

L Output Current (HighVol) [mA]

6.5

Delay Circuit Resistance [MΩ]

10.0

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size

2.9x2.8 (t=1.25)

功能:

・產品系列包含檢測電壓為0.1V Step,0.9V~4.8V之各種類型
・高精度檢測電壓:±1%
・超低耗電流

Design Resources

 

Documents

White Paper

  • ISO 26262: Functional Safety Standard for Modern Road Vehicles

Application Note

  • Voltage Detector Circuit Collection

Technical Articles

Schematic Design & Verification

  • Spice Models for Voltage Detector ICs
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Basics of Thermal Resistance and Heat Dissipation
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Tools

Models

  • BU4214G PSPICE Model

2D/3D/CAD

  • SSOP5 Footprint / Symbol

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)