BD9215AFV-E2 Integrated Circuits (ICs) |
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Allicdata Part #: | BD9215AFV-E2TR-ND |
Manufacturer Part#: |
BD9215AFV-E2 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ROHM Semiconductor |
Short Description: | IC INVERTER DC/AC SSOP-B28 |
More Detail: | LCD Display PMIC 28-SSOPB |
DataSheet: | BD9215AFV-E2 Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Applications: | LCD Display |
Current - Supply: | 5mA |
Voltage - Supply: | 8.5 V ~ 30 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 28-LSSOP (0.220", 5.60mm Width) |
Supplier Device Package: | 28-SSOPB |
Base Part Number: | BD9215A |
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BD9215AFV-E2 application field and working principle
Introduction
BD9215AFV-E2, broadly referred to as BD9, is a power management integrated circuit (PMIC) designed by Rohm Semiconductor. It is a specialty PMIC designed for automotive infotainment applications such as navigation systems, digital audio, and video equipment.BD9 is recently building momentum as a solution for automotive infotainment units, due to its wealth of features and reliability.
Application field
BD9215AFV-E2 is a Product combining DC-DC converter, DC-box, and Voltage Regulators. It is especially suitable for automotive Infotainment and Automotive Cluster system. It features an integrated DC-DC converter and two regulator blocks with Buck, LDO, and Boost converters.
Features
- Low power dissipation and voltage ripple with DC-DC regulator.
- Higher integration with DC-box, DC-DC regulator, Regulator PFM/PWM control, power save mode, etc.
- High-accuracy reference voltage from 200 mV to 6V (optional).
- Support advanced features such as current limitation and over voltage protection
- Supports Smartdraw, a graphical development environment for Windows
Working Principle
The BD9215AFV-E2 is a single chip DC-DC converter integrated with a versatile regulator for automotive infotainment applications. It is based on a hybrid architecture that combines a synchronous buck regulator with a voltage regulator to achieve low power dissipation and voltage ripple.
The synchronous buck regulator is designed to efficiently convert the input voltage to the desired system voltage. The regulator uses a PWM controller to convert the input voltage to the desired output voltage more efficiently. The PWM period is adjusted by the voltage difference between the reference voltage and the current output voltage. The pulse width is adjusted to keep the output voltage in regulation.
The voltage regulator portion of the BD9215AFV-E2 is used to regulate the voltage of the power supply connected to the system. The regulator can be either a linear regulator or a switching regulator, depending on the load and system requirements.
The BD9215AFV-E2 also includes a power save mode, which reduces the power consumption while maintaining the output voltage.
In summary, the BD9215AFV-E2 is a specialized PMIC designed for automotive infotainment applications. It combines a DC-DC converter, a voltage regulator, and a power save mode to provide a reliable, efficient power solution for automotive infotainment systems.
The specific data is subject to PDF, and the above content is for reference
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