BM2P121X-Z
Non-isolated Type PWM DC/DC Converter IC with Built-in Switching MOSFET

The PWM type DC/DC converter for AC/DC provides an optimum system for all products that include an electrical outlet. It enables simpler design of a high effective converter specializing in non-isolation. By a built-in startup circuit that tolerates 650V, this IC contributes to low power consumption. A current detection resistor as internal device realizes the small power supply designs. Since a current mode control is utilized, the current can be restricted in each cycle and an excellent performance is demonstrated in the bandwidth and transient response. The switching frequency is fixed to 65kHz. A frequency hopping function is also on chip, and it contributes to low EMI. In addition, a built-in super junction MOSFET which tolerates 650V makes the design easy.

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* This is a standard-grade product.
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Product Detail

 
Part Number | BM2P121X-Z
Status | Recommended
Package | DIP7K
Unit Quantity | 2000
Minimum Package Quantity | 50
Packing Type | Tube
RoHS | Yes

Specifications:

FET

Integrated

Controller Type

PWM

Vin1(Min.)[V]

9.5

Vin1(Max.)[V]

12.96

Start Circuit [V]

650.0

SW frequency(Max.)[kHz]

65.0

Vcc OVP

Auto Restart

BR PIN

No

On Resistor (MOSFET)[Ω]

1.5

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

Features:

  • PWM Current Mode Method
  • Frequency Hopping Function
  • Burst Operation at Light Load
  • Built-in 650V Startup Circuit
  • Built-in 650V Super Junction MOSFET
  • VCC UVLO (Under Voltage Lockout)
  • VCC OVP (Over Voltage Protection)
  • Over Current Detection Function per Cycle
  • Soft Start Function

Evaluation
Board

 
    • Evaluation Board
    • BM2P121X-EVK-001

    • The BM2P121X-EVK-001 evaluation board outputs 12 V voltage from the input of 90 Vac to 264 Vac. The output current supplies up to 0.75 A. The BM2P121X which is PWM method DC/DC converter IC built-in 650 V MOSFET is used.

  • User's Guide Buy
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Design Resources

 

Documents

User's Guide

  • Reference Board BM2P121X-EVK-001

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

  • DIP7K Footprint / Symbol
  • DIP7K 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration