产品概览
The MPQ4483GV-AEC1-Z is a Monolithic Power Systems (MPS) AEC-Q100 Grade 1 qualified 3A, 36V synchronous step-down converter with USB charging port support. It integrates BC 1.2 DCP and CDP modes, Apple Divider mode, bidirectional USB 2.0 data switching, and ground-to-battery short protection, making it a complete automotive USB charging solution.
主要规格
| 输入电压范围 | 4.2V to 36V |
| 输出电流 | 3A |
| Output Voltage Range | 1V to 20V (adjustable) |
| High-Side RDS(ON) | 25mΩ |
| Low-Side RDS(ON) | 20mΩ |
| Integrated Sense Resistor | 4mΩ (ground-sensing) |
| 开关频率 | 200kHz to 2.2MHz (adjustable) |
| USB Modes | BC 1.2 DCP/CDP, Apple Divider, 1.2V/1.2V |
| 工作温度 | -40°C to +125°C |
| 资格 | AEC-Q100 Grade 1 |
特点
- AEC-Q100 Grade 1 qualified for automotive USB charging
- BC 1.2 DCP/CDP and Apple Divider mode support
- Bidirectional USB 2.0 high-speed data switching
- Integrated 4mΩ ground-sensing resistor for CC limit
- Adjustable two-level constant-current (CC) limit
- Spread spectrum option at 450kHz for EMI reduction
- Ground-to-battery short protection driver
- Adjustable line drop compensation
- LDO mode for cold-crank low dropout operation
- Output over-voltage protection (OVP)
- Wettable flank QFN-25 package for automotive solder inspection
应用
- Automotive USB charging ports (Type-A and Type-C)
- Car infotainment USB power delivery
- Automotive rear-seat USB chargers
- Industrial USB hub power supplies
- Automotive accessory power outlets