产品概览
The TPS4H000AQPWPRQ1 from Texas Instruments is an automotive-qualified quad-channel smart high-side switch with integrated diagnostics. Each channel supports up to 600mA continuous current with 500 mOhm on-resistance at a 40V supply. It features programmable current limiting, open-load detection, and SPI diagnostics in a 20-pin HTSSOP package, qualified to AEC-Q100 Grade 1.
主要规格
| 类型 | Quad Smart High-Side Switch |
| 渠道 | 4 |
| 电源电压 | 4.5V – 40V |
| On-Resistance (per ch) | 500 mOhm (typ) |
| Current per Channel | 600 mA (continuous) |
| Current Limit | 100-600 mA (programmable) |
| Interface | Parallel input + SPI diagnostics |
| 包装 | HTSSOP-20 (PWP) |
| Operating Temp | -40 to 150 C (Tj) |
| 资格 | AEC-Q100 Grade 1 |
特点
- AEC-Q100 Grade 1 qualified (-40 to 150 C Tj)
- 4 independent high-side switch channels
- Programmable current limiting per channel (100-600 mA)
- Open-load detection in both on and off states
- Over-current and thermal shutdown protection
- SPI interface for diagnostics and fault reporting
- Reverse polarity protection
- Inductive load clamp capability
应用
- Automotive LED lighting control
- Solenoid and relay driving
- Automotive sensor power supply
- Body electronics and ECU outputs
- Industrial high-side switching