圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | Rockchip |
| Package / Case | QFN-68-EP(7x7) |
概述
Equivalent
The RK808-B is a power management IC (PMIC) from Rockchip. Equivalent alternatives include:
- ACT8846 (Active-Semi)
- RT5033 (Richtek)
- MAX77650/77651 (Maxim Integrated)
- BD71837AMWV (ROHM)
These PMICs offer similar features like multi-channel power regulation, battery charging, and LDOs, often used in Rockchip-based systems. Compatibility depends on specific design requirements.
- ACT8846 (Active-Semi)
- RT5033 (Richtek)
- MAX77650/77651 (Maxim Integrated)
- BD71837AMWV (ROHM)
These PMICs offer similar features like multi-channel power regulation, battery charging, and LDOs, often used in Rockchip-based systems. Compatibility depends on specific design requirements.
Pinout
The RK808-B is a Power Management IC (PMIC) with 68 pins in a QFN package. Key functions include:
- Power Supplies: Integrates 4 DC-DC buck converters (adjustable/output voltages) and 8 LDOs (low-dropout regulators) for multi-voltage rail support.
- Battery Management: Supports charging control (USB/AC adapter), fuel gauge, and battery protection (overvoltage/current).
- Control Interfaces: I2C for programmable voltage settings and power sequencing.
- Additional Features: Includes RTC (real-time clock), power-on reset, and GPIOs for system control.
Designed for Rockchip SoCs (e.g., RK3288, RK3399), it optimizes power efficiency in embedded systems like tablets and single-board computers.
- Power Supplies: Integrates 4 DC-DC buck converters (adjustable/output voltages) and 8 LDOs (low-dropout regulators) for multi-voltage rail support.
- Battery Management: Supports charging control (USB/AC adapter), fuel gauge, and battery protection (overvoltage/current).
- Control Interfaces: I2C for programmable voltage settings and power sequencing.
- Additional Features: Includes RTC (real-time clock), power-on reset, and GPIOs for system control.
Designed for Rockchip SoCs (e.g., RK3288, RK3399), it optimizes power efficiency in embedded systems like tablets and single-board computers.
Application
The RK808-B is a power management IC (PMIC) primarily used in portable and embedded devices. Key application areas include:
1. Tablets & Smartphones – Manages power distribution, battery charging, and voltage regulation.
2. Set-Top Boxes & TV Boxes – Provides stable power for processors and peripherals.
3. IoT Devices – Supports low-power modes for sensors and connectivity modules.
4. Industrial Electronics – Ensures reliable power in automation and control systems.
5. AIoT & Smart Hardware – Powers AI accelerators and edge computing devices.
Its compact design and multi-functional regulation make it ideal for space-constrained, battery-powered applications.
1. Tablets & Smartphones – Manages power distribution, battery charging, and voltage regulation.
2. Set-Top Boxes & TV Boxes – Provides stable power for processors and peripherals.
3. IoT Devices – Supports low-power modes for sensors and connectivity modules.
4. Industrial Electronics – Ensures reliable power in automation and control systems.
5. AIoT & Smart Hardware – Powers AI accelerators and edge computing devices.
Its compact design and multi-functional regulation make it ideal for space-constrained, battery-powered applications.
Package
The RK808-B is a Power Management IC (PMIC) typically available in a QFN (Quad Flat No-leads) package, specifically a 68-pin QFN (6x6 mm or similar). This compact, surface-mount package is designed for efficient power dissipation and space-saving integration in devices like tablets, set-top boxes, and other embedded systems. Exact dimensions may vary slightly by manufacturer.
