产品概览
The MPQ4312GRE-AEC1-Z is a Monolithic Power Systems (MPS) AEC-Q100 qualified 45V, 2A synchronous step-down converter with ultra-low quiescent current and frequency spread spectrum. It operates from 4.2V to 45V input, making it ideal for automotive 12V/24V bus systems with load-dump protection requirements.
主要规格
| 输入电压范围 | 4.2V to 45V |
| 输出电流 | 2A |
| 开关频率 | 200kHz to 2.2MHz (adjustable) |
| Spread Spectrum | Frequency dithering at 450kHz |
| 静态电流 | Low IQ in PFM mode |
| 工作温度 | -40°C to +125°C |
| 资格 | AEC-Q100 |
特点
- AEC-Q100 qualified for automotive applications
- Wide 4.2V to 45V input range (load-dump tolerant)
- Frequency spread spectrum for EMI reduction
- Ultra-low quiescent current in PFM mode
- Synchronous rectification for high efficiency
- External frequency synchronization
- Adjustable output voltage from 0.8V
- OCP, OVP, UVLO, and thermal shutdown protection
- LDO mode for low dropout operation
应用
- Automotive ECU power supplies
- 12V/24V bus to low-voltage conversion
- ADAS sensor module power
- Industrial 24V distributed power
- Automotive infotainment systems