Overview
The TPL9201PWPR is an 8-channel relay driver integrated circuit (IC) manufactured by Texas Instruments. This IC is designed for low-side switching applications, offering a compact and efficient solution for driving relays and other low-side loads. It features a built-in 5V LDO (Low Dropout Regulator) and zero-voltage detection, making it suitable for systems requiring precise control over AC loads. The TPL9201PWPR is housed in a 20-HTSSOP package, making it ideal for space-constrained applications. Its market positioning targets industrial automation, consumer electronics, and automotive systems, where reliable and efficient relay driving is essential.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - MOSFET, Bridge Drivers - Internal Switch | - | - |
| Type | Low-Side | - | - |
| Input Type | Serial | - | - |
| Number of Outputs | 8 | - | - |
| Output Current per Channel | 200 | mA | - |
| Peak Output Current | 350 | mA | - |
| Supply Voltage | 7 to 18 | V | - |
| Operating Temperature | -40 to 125 | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package/Case | 20-HTSSOP | - | Exposed Pad |
Key Features
- Integrated 5V LDO for system microcontroller power supply.
- Zero-voltage detection for precise AC load control.
- 8-channel low-side driver for relay and load control.
- Compact 20-HTSSOP package for space-constrained designs.
- Wide operating voltage range (7V to 18V) for versatility.
Applications
The TPL9201PWPR is widely used in industrial automation for controlling relays and solenoids. In consumer electronics, it is employed in appliances requiring AC load management. Automotive systems benefit from its robust design and zero-voltage detection for controlling lights and motors. Its integration of a 5V LDO makes it suitable for systems where microcontroller power supply and load control are combined.
Q & A
1. What is the operating voltage range of the TPL9201PWPR?
The operating voltage range is 7V to 18V.
2. How many channels does the TPL9201PWPR support?
It supports 8 channels for low-side driving.
3. Does the TPL9201PWPR include a built-in LDO?
Yes, it includes a 5V LDO for microcontroller power supply.
4. What is the peak output current per channel?
The peak output current is 350mA.
5. What is the purpose of zero-voltage detection?
Zero-voltage detection ensures precise control over AC loads by detecting the zero-crossing point of the AC waveform.
6. What is the package type of the TPL9201PWPR?
It is housed in a 20-HTSSOP package.
7. Is the TPL9201PWPR suitable for automotive applications?
Yes, its robust design and features make it suitable for automotive systems.
8. What is the typical delay time for the TPL9201PWPR?
The typical delay time is not explicitly stated in the available data.
9. Can the TPL9201PWPR be used in industrial automation?
Yes, it is ideal for controlling relays and solenoids in industrial automation.
10. What is the maximum output voltage supported?
The maximum output voltage is 16.5V.
