BM1Q021FJ
Quasi-Resonant Control type DC/DC Converter IC

準諧振控制器型DC/DC轉換器IC BM1Q021FJ為所有存在插座的產品提供最佳的系統。為準諧振動作，實現了軟開關，有助於實現低EMI。外接開關MOSFET及電流檢測電阻，可實現自由度高的電源設計。本IC內建啟動電路，有助於實現低待機功耗和高速啟動。輕載時內建脈衝串功能且IC消耗電流低，因此待機功耗會變小。本IC內建軟啟動功能、脈衝串功能、逐週期過電流限制、過電壓保護、過負擔保護、CS開路時保護等各種保護功能，安全性優異。

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

 
料號 | BM1Q021FJ-E2
狀態 | 推薦品
封裝 | SOP-J8
單位數量 | 2500
最小包裝數量 | 2500
包裝形式 | Taping
RoHS | Yes

規格:

FET

-

Controller Type

QR

Vin1(Min.)[V]

8.9

Vin1(Max.)[V]

26.0

Start Circuit [V]

650.0

SW frequency(Max.)[kHz]

120.0

Vcc OVP

Auto Restart

BR PIN

No

Channel

1

Light Load mode

Yes

EN

No

Soft Start

Yes

Thermal Shut-down

Yes

Under Voltage Lock Out

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

功能:

  • Quasi-resonant method
  • Built-in 650V tolerate start circuit
  • Low power when load is light ( Burst operation)
  • Maximum frequency control (120kHz)
  • Frequency reduction function
  • AC voltage correction function
  • VCC pin : under voltage protection
  • VCC pin : overvoltage protection
  • Over-current protection (cycle-by-cycle)
  • OUT pin : H voltage 12V clamp
  • Soft start
  • ZT trigger mask function
  • ZT Over voltage protection[Auto-restart]
  • FB Over Load protection [Auto-restart]
  • CS pin open protection [Auto-restart]
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Design Resources

 

Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Thermal Resistance

Tools

2D/3D/CAD

  • SOP-J8 Footprint / Symbol
  • SOP-J8 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration