BD9G101G
降壓開關穩壓器功率MOSFET內建型
BD9G101G
降壓開關穩壓器功率MOSFET內建型
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Description
BD9G101G是內建對應42V高輸入電壓的功率MOSFET的降壓開關穩壓器。採用SOT23的小型封裝，可提供最大0.5A的輸出電流。此外，可通過1.5MHz的高頻動作使用小型線圈，並通過內建基於電流模式的相位補償元件實現了裝置的小型化。
Product Detail
Specifications
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)
Features
・ 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)
Reference Design / Evaluation Tool
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- 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.
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- 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.
