TPS40170QRGYRQ1 Automotive Synchronous PWM Buck Controller
The TPS40170QRGYRQ1 is a full-featured synchronous PWM buck controller designed for high-power-density, high-reliability DC-DC converter applications. Operating with an input voltage range of 4.5V to 60V, this controller implements voltage-mode control with input-voltage feed-forward compensation for instant response to input voltage changes. The switching frequency is programmable from 100 kHz to 600 kHz.
Key Specifications
| Parameter |
Value |
| Output Type |
Transistor Driver |
| Function |
Step-Down |
| Output Configuration |
Positive |
| Topology |
Buck |
| Number of Outputs |
1 |
| Output Phases |
1 |
| Voltage Supply |
4.5V ~ 60V |
| Switching Frequency |
100kHz ~ 600kHz |
| Duty Cycle (Max) |
95% |
| Synchronous Rectifier |
Yes |
| Clock Sync |
Yes |
| Control Features |
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Operating Temperature |
-40°C ~ 125°C (TJ) |
| Mounting Type |
Surface Mount |
| Package / Case |
20-VFQFN Exposed Pad |
| Supplier Device Package |
20-VQFN (3.5x4.5) |
Advanced Features
- Wide-input voltage range from 4.5V to 60V
- 600-mV reference voltage with 1% accuracy
- Programmable UVLO and hysteresis
- Voltage-mode control with voltage feed-forward
- Programmable frequency between 100kHz and 600kHz
- Bidirectional frequency synchronization with primary and secondary option
- Low-side FET sensing overcurrent protection and high-side FET sensing short-circuit protection with integrated thermal compensation
- Programmable closed-loop soft start
- Supports pre-biased outputs
- Thermal shutdown at 165°C with hysteresis
- Voltage tracking and power good monitoring
- ENABLE with 1-µA low-current shutdown
- 8-V and 3.3-V LDO output
- Integrated bootstrap diode
- Compact 20-pin 4.5mm × 3.5mm VQFN (RGY) package
System Protection & Monitoring
The TPS40170QRGYRQ1 includes comprehensive system protection features including programmable UVLO, programmable overcurrent protection (OCP) via low-side FET sensing, selectable short-circuit protection (SCP) via high-side FET sensing, and thermal shutdown protection.
Target Applications
Advanced Driver Assistance Systems (ADAS), Automotive Infotainment Systems, and Automotive Cluster Displays.
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Frequently Asked Questions
Are your products original?
Yes, all products are original. New original import is our purpose.
Which Certificates do you have?
We are ISO 9001:2015 Certified Company and member of ERAI.
Can you support small quantity order or sample? Is the sample free?
Yes, we support sample orders and small orders. Sample cost varies according to your order or project requirements.
How to ship my order? Is it safe?
We use express carriers such as DHL, FedEx, UPS, TNT, and EMS. We can also use your suggested forwarder. Products are carefully packaged to ensure safety, and we are responsible for any damage to your order.
What about the lead time?
We can ship stock parts within 5 working days. For items not in stock, we will confirm the lead time based on your order quantity.
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