ROHM Product Detail

BD9G101G
강압 스위칭 레귤레이터 파워 MOSFET 내장 타입

BD9G101G는 높은 입력전압 42V에 대응하는 파워 MOSFET 내장 강압 스위칭 레귤레이터입니다. SOT23의 소형 패키지로 최대 출력전류 0.5A를 공급할 수 있습니다. 또한, 1.5MHz의 고주파 동작으로 소형 코일 사용이 가능하며, 전류 모드에 의한 위상보상 소자의 내장화로 기기의 소형화를 실현합니다.

Data Sheet 구입 *
* 본 제품은 STANDARD GRADE 제품입니다.
이 제품은 차재 기기의 사용을 권장하지 않습니다.
Data Sheet 구입 *

Product Detail

 
형명 | BD9G101G-TR
상태 | 추천품
패키지 | SSOP6
포장 사양 | Taping
포장 수량 | 3000
최소 포장 단위 | 3000
RoHS | Yes

사양 :

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Non-synchronous

Vin1(Min.)[V]

6

Vin1(Max.)[V]

42

Vout1(Min.)[V]

1

Vout1(Max.)[V]

29.4

Iout1(Max.)[A]

0.5

SW frequency setting (Max.)[MHz]

1.7

EN

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

Package Size [mm]

2.9x2.8 (t=1.25)

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특징 :

・ High and Wide Input Range (VCC=6V~42V)
・ 45V/800mΩ Internal Power MOSFET
・ 1.5MHz Fixed Operating Frequency
・ Feedback Pin Voltage 0.75V±1.5%
・ Internal compensated
・ Internal Over Current protection, Under Voltage Locked Out, Thermal shutdown
・ 0μA Shutdown Supply Current
・ 6-Lead SOT-23 package(SSOP6)

레퍼런스 디자인 / 어플리케이션 평가 Kit

 
    • Evaluation Board - BD9G101G-EVK-101

    • This evaluation board has been specifically developed to evaluate the BD9G101G non-synchronous buck DC/DC converter with integrated 45V/800mΩ power MOSFET. Features include wide input (6V to 42V) and output (1V to VCC x 0.7V) voltage ranges and a switching frequency of 1.5MHz.

    • User's Guide
    • Reference Design - REF68008
    • Industrial 16-Cell BMS Evaluation Platform with ML5238GA AFE and ML63Q8057 MCU

    • This Battery Management System (BMS) platform provides detailed specifications for an industrial-grade lithium-ion battery monitoring and protection solution. It is designed to support reliable operation in demanding industrial energy storage and power backup applications.

      The BMS evaluation platform serves as a reference design for assessing a multi-cell battery monitoring system utilizing ROHM’s ML5238 16-cell Analog Front End (AFE) in combination with the LAPIS ML63Q8057 microcontroller. The system enables accurate cell voltage measurement, current sensing, temperature monitoring, cell balancing, state-of-charge estimation, and fault detection, forming a complete solution for industrial battery packs.

      This evaluation kit integrates the core functional blocks required for BMS operation, including the monitoring circuitry, control firmware, sensing interfaces, non-volatile memory, and PC communication interface. The design is optimized for robustness, measurement accuracy, and long-term reliability, making it suitable for industrial energy storage systems, uninterruptible power supplies (UPS), e-mobility auxiliary systems, and stationary battery applications.

      The reference design includes comprehensive technical resources such as firmware architecture documentation, communication protocol definitions, memory maps, and configuration guidelines. It features a fully functional BMS firmware implementation optimized for industrial environments, supporting protection mechanisms, data logging, diagnostics, and seamless interfacing with a host PC or supervisory controller.

      Users are encouraged to explore the advanced monitoring, protection, and diagnostic capabilities of this BMS evaluation platform and consider its integration or customization for their industrial battery management and energy storage development projects.

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