ROHM Semiconductor BD83070GWL-EVK-002 Evaluation Board
ROHM Semiconductor BD83070GWL-EVK-002 Evaluation Board provides a convenient platform for evaluating the BD83070GWL synchronous buck-boost DC/DC converter in battery-powered portable devices. The board supports input voltages from 2.0V to 5.5V and output currents up to 1A. Designed for applications such as smartphones, tablets, and portable electronics, BD83070GWL-EVK-002 features selectable 2.5V or 3.3V outputs, automatic PFM/PWM or fixed PWM operation, and up to 95% efficiency. The converter also offers a low 2.8µA quiescent current and integrated thermal, overvoltage, and overcurrent protection.
Features
- Automation PFM/PWM Mode and Fixed PWM Mode
- 2.0V to 5.5V input voltage rnage
- Up to 1A output current (VIN > 2.7V, VOUT = 3.3V)
- 2.5V or 3.3V selectable output voltage options
- Up To 95% efficiency
- 1.5MHz typical switching frequency
- 2.8μA typical quiescent VIN current
- 1.20mm × 1.60mm × 0.57mm UCSP50L1C package
- 1.61V maximum undervoltage lockout (UVLO) detection
- Built-in thermal, over-voltage, and over-current protection
- FR-4 PCB material, 4x layers
- 1.6mm PCB thickness
Applications
- Single cell Li-ion or 3-cell NiMH battery-powered portable products
- Tablet terminal devices
- Smartphones
Schematic
Dimensions
Related Components
ROHM Semiconductor BD83070GWL FETバックブースト・コンバータ
同期バックブーストDC/DCコンバータは、リチウムイオン電池から3.3Vまたは2.5V出力を実現しています。
ROHM Semiconductor BD83850GWLレギュレータと充電ポンプ・インバータ
ブーストスイッチング・レギュレータと充電ポンプインバータで、小型TFT-LCDディスプレイ用です。
Related Development Tools
ROHM Semiconductor BD83070GWL-EVK-001コンバータ評価ボード
BD83070GWL同期バックブーストDC/DCコンバータの評価に役立つように設計されています。