产品概览
The TPS7A6650QDGNRQ1 from Texas Instruments is an AEC-Q100 qualified automotive 150mA low-dropout linear regulator in an 8-pin HVSSOP PowerPAD package. With 4-40V input range (45V transient), 5V fixed output, 12uA Iq, 300mV dropout, programmable power-good reset, and load tracking, it is designed for off-battery automotive standby systems.
主要规格
| Output Voltage | 5.0V fixed |
| 输出电流 | 150 mA |
| 输入电压范围 | 4V to 40V (45V transient) |
| Dropout Voltage | 300 mV typ @ 150mA (Vin=4V); 450mV max |
| 静态电流 | 12 uA typ (light load); 20 uA max |
| 关机电流 | 2 uA (EN = Low) |
| Output Accuracy | +/-2% |
| PSRR | 60 dB @ 100Hz; 40 dB @ 100kHz |
| Line Regulation | 5 mV |
| Load Regulation | 20 mV |
| Reference Voltage | 1.223V |
| Output Capacitor | 2.2uF to 100uF ceramic |
| Power-Good (PG) | Open-drain, programmable delay via CT pin |
| Enable (EN) | Active high |
| Protection | Thermal shutdown, short-circuit, UVLO |
| 工作温度 | -40 to +125 C (ambient); -40 to +150 C (junction) |
| AEC-Q100 | Grade 1 (Grade 0 for TPS7A6650EDGNRQ1 variant) |
| 包装 | HVSSOP-8 PowerPAD (3.0 x 4.9 mm) |
| Status | 活跃 |
特点
- AEC-Q100 qualified for automotive applications (Grade 1)
- 4-40V wide input with 45V transient capability
- Ultra-low 12uA quiescent current
- 300mV dropout at 150mA
- 5V fixed output with +/-2% accuracy
- Programmable power-good reset delay via external capacitor
- Low-voltage input tracking for cold-crank
- Thermal shutdown and short-circuit protection
- 2uA shutdown current (EN = Low)
- Ceramic capacitor stable (2.2-100uF)
应用
- Automotive body control modules
- Always-on battery systems (gateway, RKE, immobilizer)
- Infotainment sleep mode power
- Standby MCU power supply